Xantrex Technology Marine Instruments LINK 10 User Manual

i4.25

Link 10

Owner's Manual

Xantrex

Link 10

Battery Monitor

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Table of Contents

DO NOT INSTALL OR USE THIS PRODUCT UNTIL YOU HAVE READ THE ENTIRE

OWNER’S MANUAL. IMPROPER INSTALLATION OF THIS UNIT MAY BE HAZARD-

OUS AND VOIDS YOUR WARRANTY.

Quick Reference Guide..................................................................................................5–6

Introduction.........................................................................................................................7

Battery Basics.....................................................................................................................8

Installation......................................................................................................................9–15

Startup................................................................................................................................16

Synchronizing the Link 10................................................................................................17

Operation......................................................................................................................18–24

Setting Battery Capacity....................................................................................................21

Temperature Sensor (optional)...........................................................................................25

Setting Peukert's Exponent...............................................................................................26

Low Battery Alarm.................................................................................................27, 35–38

Reset and Lock...................................................................................................................28

Historical Data...................................................................................................................29

Advanced Functions.....................................................................................................30–34

Peukert’s Equation.......................................................................................................39–42

Troubleshooting.................................................................................................................43

Options and Versions.........................................................................................................44

High Voltage Prescaler (optional)......................................................................................45

Electric Vehicles...........................................................................................................46–47

Lift Truck Installations......................................................................................................48

Serial Port, RS-232 (optional)............................................................................................49

High Voltage Notes............................................................................................................50

CE Declaration of Conformity..........................................................................................51

Limited Warranty..........................................................................................................52–54

Index...................................................................................................................................58

Specifications.....................................................................................................................59

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Basic Wiring Diagram

The 500 A 50 mV

shuntsensescurrent

in or out of your

battery.

The Xantrex Link 10

works with flooded or

gel lead-acid batteries

2 amp

Fuses

Twisted pair wire is used for shunt

sensing leads for noise immunity.

Battery Compartment

Meter Location

Top Rear View of Meter

-DC Meter Negative (BLACK) [1]

Shunt Sense Lead Load Side (GREEN) [2]

Shunt Sense Lead Battery Side (ORANGE) [3]

Battery Volt Sense (0–50 V DC¹) (BLUE) [4]

+DC Meter Power (9.5–40 V DC) (RED) [5]

Optional Temperature Sensor Input [6]

Optional Low Battery Alarm [7]

Optional Temperature Sensor Ground [8]

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Quick Reference

The Light Bar

The light bar shows state-of-charge at a glance.

Here's what the lights mean:

FULL

EMPTY

Full

80–99%+

60–79%+

40–59%+

20–39%+

0–19%+

Status Lights

For shortest charging times,

lead acid battery in marine or

RV service is normally dis-

charged 50% then recharged

to 85–90% of full. Restoring

thelast10–15%of afullcharge

requiresalongtime—typically

2–3 hours. This means only

35–40% of your battery ca-

pacity is actually available

for normal use. Occasionally

discharging a battery more

deeply is perfectly acceptable.

Shows what number is

being displayed

The Button

When you press the

button, you

SELect a numeric display. In normal

operation, each press illuminates a sta-

tus light. The light indicates volts are

being displayed, the

light indicates

amps, indicates amp hours, and

indicates time. We’ll explain these terms

on the next page.

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Quick Reference

Amps

Amp hours

Amp hours consumed

represents the amount

of energy removed

from the battery. If you

run a 10-amp load for

one hour, the Link 10

will show -10.0 in the

display.

Amps is the present flow

of current in or out of your

battery. For example, a re-

frigerator may draw 6.2

amps of current. This is

displayed as -06.2 (6.2

amps are being con-

sumed).

Volts

Volts is electricity’s poten-

tial to do work. Voltage

helps assess approximate

state-of-charge and to

check for proper charging.

A 12 V battery is consid-

ered 100% discharged

whenitdropsbelow10.5 V.

Time

Time is an estimate of

how long your battery

will sustain a load. A

Time display of 3.7

hours means you have

approximately 3 hours

42 minutes of operating

time remaining.

Advanced Functions

Press and hold the

SET button for 3 sec-

ondstoentertheSetup

and Advanced Func-

tions mode. SEL

appearsinthedisplay.

Setup Features

Key Advanced Functions

Advanced

Functions:

Customizes the

Link 10's functions.

For details read

pages 29–30 and

pages 34–37.

Locks front

panel.

Shows charging

efficiency and

historical data.

F01 Scanning

F02 Sleep Mode

F09 Discharge Floor

F15 S/WVersion

F17 Test Lights

Resets amp hours (AH) or

(ALL) defaults.

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Introduction

Congratulations! The Xantrex Link 10 is the most advanced (Patents

Pending) DC power measurement instrument available. It shows you:

Battery State-of-Charge on a multicolor light bar.

System voltage accurate to 1/20th of a volt (<20 VDC).

System current accurate to 1/10th of an amp (<40 amps).

Amp hours removed from, or put into, your battery.

Time of operation remaining until recharging is required.

For installation and operation questions, please contact Xantrex at 1-800-

670-0707 (toll free) or 1-604-422-2777 (direct). You can also email Xantrex

at [email protected]. For warranty and technical support

please follow the process outlined on page 52.

If you wish the Link 10 to support an external Low Battery Alarm, such as

a bell or buzzer, or if you need the Link 10 to report data to a computer or

data logging unit, these options must be included at the time of manufac-

ture and cannot be retrofitted in the field.

The installation of the Link 10 is simple, as is its operation. However, there

are many advanced features and functions, so please take the time to read

and thoroughly understand this manual.

Installer's Note: This manual contains operating

instructions. Please leave it with the meter!

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Battery Basics

Why monitor a battery?

Batteries can be ruined by excessive discharge. They may also be dam-

aged by under-charging. A battery (or bank of batteries) may be storing

less energy than you think. The Link 10 provides all the key data you, or

your technician, need to make decisions about battery use and charging.

How does the Link 10 work?

The Link 10 uses sophisticated microprocessor technology to report all

significant battery information. The Link 10 monitors battery voltage and

current over time to report amp hours consumed and time remaining—

precisely the information necessary to maximize system performance.

What's an amp hour?

Batteries are rated by amp hour capacity. A battery that delivers one amp

for one hour has delivered one amp hour. Marine and RV deep-cycle bat-

tery capacity is based on their 20-hour discharge rate. A battery that delivers

10 amps to a load for 20 hours before battery voltage drops to 10.5 volts,

is considered a "200 amp hour" battery. 10 amps times 20 hours equals 200

amp hours (200 Ah).

For maximum life you should never discharge more than half the rated

capacity of a battery. Therefore, if you have a 200 amp hour battery, you

should recharge when the Link 10 shows -100 in the amp hour display. The

-100 means 100 amp hours have been removed from your battery.

FOR MAXIMUM BATTERY LIFE, RECHARGE YOUR

BATTERIES WHEN YOU HAVE DISCHARGED 50%

OF THEIR AMP HOUR CAPACITY.

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Installation

Basic installation of the Link 10 on a 12 or 24 volt system involves only

five wires. Because the Link 10 will work on systems up to 500 volts,

special high voltage installation techniques are discussed beginning on page

44. You need to read this section if you're working on an electric vehicle or

system where more than 50 volts is encountered. If your installation is on

a 12 or 24 volt system, let's get to work!

Installation Planning

First, gather all the tools you'll need for installation. We recommend:

* A 2" or 2 1/16" (52 mm) hole saw to make the panel cutout.

* A 3/8" drill with bits to run power and shunt wiring.

* An adjustable 9/16" wrench for shunt bolt connections.

* Wire stripper/crimper and a small flat blade screwdriver.

Make sure you have all the parts you'll need to complete the job:

* A 500 A–50 mV shunt (included)

* #18 or #16 twisted pair shunt wire long enough to reach

from the battery to the meter location. Ask your dealer for

Xantrex Technology PN 84-2014-00 - 25' 4 twisted pair cable

or PN 84-2015-00 - 50' 4 twisted pair cable (not included).

* 2 in-line fuse holders with 2-amp fuses.

CAUTION: DO NOT INSTALL FUSES UNTIL YOU

COMPLETE INSTRUCTIONS ON PAGES 10–15.

* A short heavy-duty battery cable to run from one shunt bolt

to the battery. Cable is available at auto and marine shops.

* Assorted small-gauge crimp type terminals for connecting

the power, shunt, fuses, and voltage sense leads.

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Mounting

Our Patent Pending "Ratchet Ring" makes mounting easy and fast.

TIP: When installing from the front of a

panel or dashboard slide the Ratchet Ring

onto cable with correct orientation

and then connnect

the wires.

CAUTION!

Orient ring so the ratchet

teethwillengageproperly.

Practice installing and re-

moving ring before final

assembly. Considerable

force is required—this

ensures the ring will not

loosen over time.

Install the meter from the front of your

panel. Thepanelthicknessmayrangefrom

1/16" to 1 1/2". Slip the locking ring on

from the rear and press forward until its

teeth hold the meter securely in place.

Push Ratchet Ring on

until firmly in contact

with panel.

The gasket around the ring

of the Link 10 should pro-

vide an adequate seal

against moisture. If a sealant

is used be sure it is silicone

so that the Link 10 may be

removed without damage.

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Removing

Removing the Link 10 is the reverse of mounting with a

TWIST as shown in the following diagrams.

Twist 1/8th turn to

unlock teeth.

Then pull lock ring

straight back as shown

below.

Pull both

sides of

the lock

ring equally

Patented

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Wiring Overview

This drawing is for 12 V & 24 V systems.

For higher voltages see Prescaler use on page 44.

DC+

Fuses

Shunt

DC-

(system ground)

Twisted pair cable

See Detail page 13

Terminal Strip

Connections

See Detail page 14

INSTALLATION TIP:

Use appropriate strain relief to

avoid damage to the connector

and terminal strip on the rear of

the Link 10.

Mounting Page 10

Removing page 11

TIP: For a neat and professional looking installation use plenty of:

* Nylon wire wraps

* Wire wrap anchor points.

NOTE: To limit Voltage measurement error do not exceed wire lengths shown

below. Error assumes 16 AWG wire and max. power consumption.

0.5% Error 72 Feet Maximum

1.0% Error 150 Feet Maximum

3.0% Error 450 Feet Maximum

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Shunt & Battery Wires

The shunt is the current sensor for the Link 10. Its 500 A, 50 mV rating

means that when 500 amps flows through it there is 50 mV generated

across it. The millivolt signal is translated into an amps display in the Link

10. For example: a 50 A load would generate 5 mV across the shunt and

would be displayed as 50 amps. Caution: in the diagram below, the darker

wires represent primary wiring and should be able to carry full battery

load current. Size appropriately!

Connect NO

other wires di-

rectly to battery

negative! All

current must

flowthroughthe

shunt!

500 A 50 mV

BATTERY

SIDE

SHUNT

LOAD

SIDE

BLACK

These wires ORANGE

must be a

twisted pair!!

RED

GREEN

BLUE

2 amp Fuses

(mount within 7"

of battery)

4 Twisted pair

cable. See page 14

for part numbers.

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Meter Wiring Detail

Make the necessary wire connections to the Link 10 as

shown in the following diagram:

Color code shown for

Xantrex 4 twisted pair

cable. P/Ns below:

P/N 84-2014-00 -25'

P/N 84-2015-00 -50'

CAUTION

Use correct sized screwdriver for

terminal screws. Tighten firmly

but do not over-tighten to avoid

damage

Top Rear View

DC - Meter Negative (BLACK) [1]

Shunt Sense Lead Load Side (GREEN) [2]

Shunt Sense Lead Battery Side (ORANGE) [3]

Battery Volt Sense (0–50 V DC¹)(BLUE) [4]

DC + Meter Power (9.5–40 V DC) (RED) [5]

Optional Temperature Sensor Input [6]

Optional Low Battery Alarm [7]

Optional Temperature Sensor Ground [8]

1) For Voltages above 50 V a Prescaler must be used. See page 44.

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Wire by Wire Check

Most failures and problems are due to wiring errors. Please double check

the wiring. (Color code shown is for Xantrex wire P/Ns on page 14.)

#1 - DC Power (Black Wire). Start at terminal #1 of the Link 10 and

follow it to the big bolt on the Load side of the shunt. Do not connect this

wire to the small screw terminal with the Green shunt sense lead.

#2 Shunt Sense Lead Load Side (Green Wire). This wire connects to

the small screw on the Load side of the shunt. This wire must be a

twisted pair with the Orange wire described below. To check this wire

start at terminal #2 and follow it to the small screw on the Load side of

the shunt. There should be no other wires connected to this screw.

NOTE: Also check the primary wiring from the shunt to the battery.

There should be only one heavy cable from the Battery side of the shunt to

the battery. All loads and sources must be connected on the other side of

the shunt. Only the shunt may be connected directly to battery negative!

#3 Battery Side of Shunt (Orange Wire). This wire must be a twisted

pair with the Green wire described above. To check this wire start at

terminal #3 and follow it to the small screw on the Battery side of the

shunt. There should be no other wires connected to this screw.

#4 Voltage Sense Wire (Bat.+) (Blue Wire). From terminal #4 this wire

should run to a 2 amp fuse holder, located within 7" of the battery. The

other side of the fuse holder should go to the positive (+) battery post.

If Voltage is greater than 50 V, see High Voltage Prescaler, page 44.

#5 + DC Power (Red Wire). This wire should run from terminal #5 to a

2 amp fuse holder located within 7" of the battery. The fuse should not

yet be installed. The other side of the fuse holder goes to the battery. If

power supply voltage is above 24 V, see the Electric Vehicles section,

page 46.

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Startup

Once you have completed ALL instructions on page 15, insert the voltage

sense wire fuse, then the meter power fuse. (BLUE wire fuse first, RED

wire fuse last!) The fuse should be in a fuse holder and should be con-

nected in a smooth motion. A "ragged" power-up may cause a meter lockup.

Both the bar graph and digital display should come on.

Factory Default Settings

The Link 10 comes on in the

(Volts) mode with the display flashing to

indicate that it has been powered up from the de-powered state (see page

26). Left untouched for 10 minutes, the Link 10 will go to "sleep," turning

off the digital display leaving only the bar graph on. (This is a power-

saving feature.) Touching either the SEL or SET buttons will return the

Link 10 to the function the Link 10 was in when it went to "sleep."

The Link 10 is designed to work "out of the box." The factory default

values are appropriate for a moderate capacity 12 V liquid lead acid bat-

tery and a typical user display and function setup. Often the only change

that must be made is setting the battery capacity. You may also have to

set the appropriate Peukert's exponent for your battery (see page 26).

Special functions and display options are described beginning on page 27.

The Link 10's Factory Default Settings Are:

1. Automatic Scanning of V, A, amp hours, and time will be OFF.

2. Sleep Mode is ON. Turns digital display off after 10 minutes.

3. Charge Efficiency Factor (CEF) equals 90% and learn CEF mode is on.

4. Charged Parameters: Voltage =13.2, Charged Current =2%. The

battery must exceed 13.2 V and the current must be less, in amps,

than 2% of declared capacity for five minutes for the Link 10 to consider

the battery full.

5. Battery capacity set to 200 amp hours.

6. Peukert Exponent = 1.25.

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Synchronizing the Link 10

Synchronize the Link 10 to a Full Battery

After installing the Link 10, charge the battery until the far right Green

LED begins flashing, which indicates the Charged Parameters have been

met. Amp hours will have started at 0 and counted up as a positive num-

ber. As you begin discharging the battery, the LED will stop flashing and

the numeric amp hour display resets to 0. The Link 10 is shipped from the

factory assuming a 200 amp hour battery. Your battery may be a different

size. To change battery size, see page 21.

StayinginSync,RemovingAccumulatedNegativeAmpHours

Should the Link 10 ever become out of sync with the battery state-of-

charge simply charge until the far right LED flashes Green. You may also

get back in sync by charging until the battery is full and then resetting the

amp hours to zero through the RESET function.

If the Link 10 should accumulate a negative number in the amp hour dis-

play you will have to charge until you meet the conditions for a recalculation

of the Charging Efficiency (CEF) as described on pages 22 & 23. If you do

not meet all five of the conditions listed below you will not get a recalcu-

lation of the CEF and a reset to zero amp hours consumed.

CONDITIONS TO RESET TO ZERO

1) Discharge 10% of declared battery capacity to trigger algorithm.

2) Recharge until 100% of the kWh removed have been returned.

3) The voltage must be above the Charged Voltage Parameter.

4) The current must be below the Charge Current Parameter.

5) Conditions 3 & 4 must be met for 5 minutes (1 min. for AE default)

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Operation

Although the Link 10 is a very sophisticated device, obtaining basic battery

information from it is simple. With the unit turned on and the (Volts) LED on,

let's learn how to display the four most important DC system parameters.

When you touch the

button, you

are SELecting the display you wish.

Each time you touch SEL in normal

operation, you will toggle to the next

i4.25

item to the right

(volts) goes to

(amps) to (amp hours) to (time).

Now press SEL to bring up these functions.

Volts is the electric potential to do work. Voltage is useful to assess the

approximate state-of-charge and to check for proper charging. Examples:

An at-rest, fully charged battery will show about 12.8 V. A 12 V battery

is 100% discharged when it reaches 10.5 volts with a 20-hour rated load

applied. A typical charging voltage would be 14.2 V.

Amps is the present flow of current in or out of the battery. For example,

a refrigerator may draw 6 amps of current. This is displayed as - 6.0 (6

amps are being consumed). Discharge is shown as a negative number and

charging is shown as a positive number (unsigned).

Amp hours consumed represents the amount of energy removed from

the battery. If you run a 10-amp load for one hour then ten amp hours are

consumed. The Link 10 will show -I0 in the display. During charging

the Link 10 will compensate for charging efficiency and count back up

toward 0.

Time is an estimate of how long (in hours) the battery will sustain a load.

It is based on a selectable, time averaged, rate of discharge. Default is the

average of the last four minutes of use (see page 24).

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Reading the Bar Graph

Above the digital display are four LEDs. They tell you the battery's state-

of-charge at a glance. Four green LEDs means your battery is full. One

flashing red light means it is nearly discharged. The table below shows the

six different displays indicating battery state-of-charge. Under certain light

conditions green may appear yellow.

EMPTY FULL

BATTERY STATE-OF-CHARGE

Full (Charged Parameters Met)

80–99%+

60–79%+

40–59%+

20–39%+

0–19%+

Under the LED bar graph are the words RESET, DATA, LOCK, and

FUNC. These words are ignored during normal operation. They are used

to indicate programming and advanced function modes which are explained

beginning on page 28.

Setting Battery Capacity is Important

The LED bar graph display shows how much of your battery has been con-

sumed. If you do not set your battery capacity correctly, your bar graph will not

give you an accurate indication of battery state-of-charge. The Link 10 also

uses declared capacity to calculate the Time Remaining, the charged current for

Charge Efficiency Factor calculations, and other control functions.

Setting capacity correctly is very important—see page 21

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Using the Buttons

Pressing and holding the SET button for three seconds enters the Setup and

AdvancedFunctionsmode.ThewordSELapppearsinthedisplay,promptingyou

to press the SEL button to choose what function you want to SELect.

Pressing SELchooses a variable or function. The SETUP mode always begins

atthe

(Volts)function. EachpressoftheSELbuttonscrollstothenextitem.

When a variable or function is selected, its LED is on and its present value is

displayed. To change an item press the SET button until the value appears that

you wish. The order displayed and brief descriptions are below.

LIGHT

DESCRIPTION

Charged Voltage (the voltage above which the battery must rise to be full)

ChargedCurrent% (chargingcurrentmustbebelowthispercentagetimes

the battery capacity to be considered full. See page 22–23)

Battery Capacity in amp hours

Time interval over which current is averaged for time remaining function.

Each LED is lit in sequence to indicate function.

Advanced Functions. See page 30.

Locks out SET button & Advanced Functions. See

page 28.

Displays: CEF, # CEF Recalcs, Average Depth of

Discharge, Deepest Discharge, Average Rate of

Discharge. See page 29.

Resets A-hrs & allows Reset to Factory values. See

page 28.

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Setting Battery Capacity

The first time you use the Link 10, itassumes you have 200 amp-hour lead acid

batteries. If your battery capacity is different you must change the declared

battery capacity. Follow these instructions to declare a new capacity:

1) Press and hold the SET button for three seconds to enter SETUP (and

Advanced Functions) menu. SEL appears in the display. Press SEL and notice

that the green

LED is on.

2) Press SELagain and note that the

light comes on. Press again and now

LED is on and 200 appears in the display. This is the default battery

the

capacity.

3) Now press and hold the SET button to scroll through battery size options.

The display will show 1 amp-hour increments from 20–40 amp hours of capac-

ity, 5 amp-hour steps from 40–100 amp hours capacity and 20 amp-hour steps

over 100 amp hours of capacity. If you continue to hold SET, after four incre-

ments the display scrolls faster. When the value you want appears, release the

SET button. If you overshoot your capacity you will have to scroll all the way

to 1980 amp hours, after which the display will roll over and begin scrolling up

starting from 10 amp hours. NOTE: Versions of the Link 10 prior to serial

number 05000 increment only in 20 amp-hour steps from 20–1980 amp hours.

4) After 10 seconds the meter exits the Setup mode and the selected value is

stored as the new battery capacity and the display returns to

(Volts).

TIP: All SETUP and ADVANCED FUNCTIONS begin with the SET button.

SETUP is normally done at installation. The SET button may be LOCKed to

prevent unauthorized personnel from tampering with the SET functions. See

"LOCK" on page 28.

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The Charged Parameters

The Link 10 depends on the Charged Parameters to stay in sync with the

battery state-of-charge, to automatically reset to zero, and to automatically

calculate the CEF. The default settings are for 12 V lead acid (liquid or

gelled) batteries. They have been carefully chosen to work on most

systems, including constant voltage and multiple step charging systems.

The factory Charged Parameters are 13.2 volts and 2% of battery capacity

as a charged current. (2% of the default battery capacity of 200 Ah equals

4 amps). Several conditions must be met for a recalculation of the CEF and

a reset to zero: First 100% of the energy removed from the battery must be

returned, additionally the battery must be above 13.2 volts and the current

must fall below 4 amps for five minutes. When all these conditions are met

the battery is considered full.

CAUTION:Ifyourbatteryvoltageisotherthan12VyouMUSTsetup

an appropriate Charged Voltage.

If the charged parameters are not set correctly,

The Link 10 will never recalculate the CEF!

Pleaseconsiderchangingonlythebatterycapacityunlessyoursystemfalls

into one of the following categories:

1) Battery chemistry other than lead acid.

12VoltNiCad(andNiFe)systemswouldnormallyuse15.5to15.7as the

ChargedVoltage.Seeyourbatteryspecificationsforguidance.TheCharged

Current % can probably stay at 2% of declared battery capacity.

2) Charging normally ends before current drops below 2%.

If the charging system is normally shut down before charging current

drops below 2%, the Charged Current % will have to be changed.

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Charged Parameters & CEF

If you change the Charged Parameters please use the following rules:

1) The Charged Voltage Parameter MUST BE AT LEAST 0.1V

BELOW thevoltageatwhichthechargingsystemfinishescharging.

Example: If your charging system finishes the battery at 13.8 volts, a

Charged Voltage Parameter of 14.0 volts will not work. Lower the

Charged Voltage Parameter to 13.7 volts or less.

2) The ChargedCurrent%timesdeclaredBatteryCapacity MUST

be GREATER than the minimum current at which the charging

system maintains the battery, or turns off.

If the Charged Current % times the Battery Capacity is less than the

current at which the charging system switches off, the Charged

CurrentParametercannotbemet. Forexample, ifthechargingsystem

shuts off when the current is 10 amps, using the factory default value of

4 amps (2% of 200 Ah), will not work. Changing the Charged Current

%to6%wouldgiveaChargedCurrentof12amps,whichwouldwork.

WHYTHECHARGEEFFICIENCYFACTOR(CEF)ISIMPORTANT:

The CEF determines the rate at which the meter counts back up during

charging to compensate for the inefficiency of the charging process. The

CEF has a factory default value of 90%. This means that you must return

10.0 amp hours to store 9.0 Ah in the battery.

If you have a charging system that cannot satisfy the Charged Parameters,

the CEF will not be recalculated and the meter will use the default CEF of

90%. Thiswillworkfineinmostsystems. Youmaynoticeanaccumulation

of negative amp hours. If so, set up appropriate Charged Parameters or

resynchronizeperiodically.

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Setting Up

Five different displays are available in the Time function. You may select

present consumption level, a 4-minute average, a 16-minute, or a 32-minute

average, or display the percent of rate compensated capacity remaining.

Which method is best for you depends on your installation. Most installations

will find four-minute averaging appropriate. To SET UP

follow the

procedure outlined on page 20. As you press the SET button the following

values will appear. Use the table below to choose the appropriate averag-

ing period.

Instantaneous:

4-Minute Average:

Time Remaining Setup Display: 000

Time Remaining Setup Display: 00I

16-Minute Average: Time Remaining Setup Display: 002

32-Minute Average: Time Remaining Setup Display: 003

Percent Remaining: Time Remaining Setup Display: 04P

Operating Tips: Use the longest period of time you can to ensure long-term load

variations are considered. For instant feedback, use the 000 (no averaging) dis-

play. Time is in hours and 1/10ths of hours. In the Percent of Capacity Remaining

mode, a full battery is displayed as 100P and counts down as your discharge. The

Percent of Battery Capacity Remaining is referenced to the selected discharge

floor and uses the instantaneous (not averaged) rate of discharge. The percent of

capacity remaining display shows the percent number which drives the Bar

Graph. This function is very useful on electric vehicles.

CAUTION: Time displays are an estimate of how long your battery will

sustain a load (to your selected discharge floor; default: 100% discharge).

Variations in discharge current, incorrectly set battery capacity, Peukert's

exponent, temperature, and prior battery history may affect the accuracy of

this estimate. Please use Time displays only as a guide. Use all displays

(volts, amps, amp hours, and time) to make an informed decision about

battery state-of-charge. Do not rely on a single value!

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(optional)

Temperature Sensor

The Link 10 may support an optional two wire temperature sensor. The

temperature sensor is activated by turning Advanced Function F16 ON.

With F16 ON, F03 shows battery temperature in degrees Celsius. When

activated, F03 will continue to display temperature after exiting the Setup

mode until one of the two front panel buttons, SET or SEL, is pressed.

The limits of the temperature sensor are 0 °C (32 °F) to 99 °C (210 °F).

Versions of the Link 10 prior to Serial Number 005000 do not support this

function.

Introduction to Peukert Exponent

The Link 10 shows true amp hours consumed in the amp hour display.

However, the light bar shows how much of the available battery has been

consumed. In 1897 a scientist named Peukert demonstrated that as you

discharge a battery more quickly, its effective size temporarily decreases.

A battery is considered fully discharged when it is no longer able to main-

tain 10.5 volts under load. As you'll see in the following table showing the

effect on a typical liquid cell battery, the faster the discharge rate, the

smaller its effective capacity:

Hours to Discharge

Capacity as percent of 20 hr rating

100%

84%

67%

56%

47%

In other words, a 100 amp-hour battery, discharged completely in one hour

will only supply 47 amp hours before dropping below 10.5 V!

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Puekert's Exponent

Peukert's Exponent is a number which describes how battery capacity

shrinks as the rate of discharge is increased. The Link 10 uses a number

between 1.00 and 1.50 to describe how fast a particular battery will "shrink"

when a heavy load is connected. A more complete technical discussion of

the Peukert Exponent, and typical value tables is included on pages 39–41.

The Peukert Exponent set at the factory, 1.25, will be satisfactory for

many liquid cell batteries. Gel cell batteries, or liquid cells with atypical

plate structures, may require a different Peukert Exponent. To change the

Peukert Exponent, proceed as follows:

1) Press and hold the SET button for three seconds to enter SETUP

(and Advanced Functions) menu. SEL appears in the display. Press SEL

and notice that the green

LED is on.

2) Press SEL again and note that the

light comes on. Continue to

press the SEL button until F8 appears in the display. This will require 18

presses of the SEL button. The FUNC LED will be lit.

3) Now press and hold the SET button. The default value of 1.25 (or the

previously programed value) will appear in the display. The range of values

is from 1.0 to 1.50. Holding down the SET button will cause the display to

increment in 0.01 steps, after four increments the display scrolls faster.

When the value you want appears, release the SET button. If you over-

shoot your capacity you will have to scroll all the way to 1.50 after which

the display will roll over to 1.00 and continue incrementing. You also have

to scroll all the way through to declare exponents between 1.00 and 1.25.

4) After 10 seconds the meter exits the Setup mode and the selected

value is stored as the new Peukert's exponent and the display returns to

(Volts).

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Alarms

Two Types of Alarms

The Link 10 is equipped with both a visual Power Loss Alarm and a visual

Low Battery Alarm. It is important that you understand the difference

between these functions.

Power Loss Alarm: Shows when power being supplied to the Link 10 has

dropped to an unsafe level. Certain display features are turned off as meter

power drops below internally set levels.

Low Battery Alarm: Shows when the battery being monitored has reached

either a predetermined depth of discharge or has encountered at least 15

seconds of continuous low voltage below a settable level. The Low Bat-

tery Alarm is controlled by functions F10, F11 and F12 in the Advanced

Functions Section.

Power Loss Alarm & Reset Annunciation

If the voltage-supplying terminal #5 falls too low an automatic shutdown

occurs. This voltage varies from a low of 7.2 V to about 9.2 volts depending

on how fast the voltage drops. When power is restored, the display defaults

to the

function and the digital display flashes. Pressing either the SEL

or SET buttons cancels the flashing display. If the meter is in the sleep

mode when power loss occurs, the display will flash for 10 minutes and

then go to sleep if no buttons are pressed. Once asleep, the first button

press will wake the display in the flashing mode to annunciate the power

loss. The second button press will cancel the flashing display.

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Reset and Lock

In addition to reporting primary system values, the Link 10 is capable of

many other front panel functions and will also display important historical

battery data. The words below the bar graph display indicate which of

these functions you are accessing. To use these functions you must read

and understand the following section of this manual.

Resetting the Link 10

RESET

DATA

LOCK

FUNC

RESET Resets amp hours to zero and resets the Link 10 to factory values.

To RESET the amp-hour display to zero, SELect the RESET function as

previously described. The letters AH will appear in the display. Press and

hold the SET button. After five seconds the amp-hour display will be reset

to zero and the letters ALL will appear. If you continue to hold down the

SET for another five seconds all variables and functions are reset to the

factory defaults.

Front Panel Locking

FUNC

RESET

DATA

LOCK

LOCK Prevents user access to Set Up and Advanced Functions.

To LOCKthe Link 10,SELecttheLOCKfunctionaspreviouslydescribed.

The letters LOC will appear in the display, indicating you are in the LOCK

function. Press SET and the letters off appear, indicating the front panel

is not locked. Press SET again and the letters on will appear, indicating the

front panel is locked. Repeating this procedure toggles the lock off and on.

The display will report off or on, indicating Lock off or on.

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Historical Data

Key Battery Data Displayed

RESET

DATA

LOCK

FUNC

DATA Key historical battery information is available through this function.

Each time the SEL button is pressed while in the DATA mode the next

piece of data is displayed. To see DATA, select DATA as previously

described.

CEF (Displayed as E99): The Charging Efficiency Factor (CEF) is

displayed. A display of E99 indicates a 99% CEF. This number sets the

rate at which amp hours are counted back up during charging. This is an

amp-hour CEF, not kWh efficiency. The Default setting is 90%. NOTE: If

the CEF display has a u in front of it, this means the CEF has been

selected by the user. See Advanced Function F06 for details.

#CEF Recalculations (Displayed as +I999): This is the number of times

that the battery has been discharged more than 10% and then recharged

until the Charged Parameters have been met. May be considered as the

number of charge/discharge cycles the battery has experienced.

Deepest Discharge (Displayed as -i999): Shows the deepest discharge

in amp hours recorded by the meter since its last RESET to factory

defaults.

Average Discharge (Displayed as i999): The running average of all

discharges as an amp-hour value since last RESET to factory defaults.

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Advanced Functions

RESET

DATA

LOCK

FUNC

FUNC Allows setup of Advanced Functions.

To access the FUNC mode, SELect the FUNC mode as previously de-

scribed. The letters F0i will appear in the display and the FUNC LED will

be lit, indicating you are in the FUNC mode. Continue pressing the SEL

button until the function you wish to set up appears. Now press SET until

the desired value or mode appears. Repeat this procedure until you have set

up all of the desired advanced functions. Whatever functions you have set

up will become active when the display reverts to its normal mode.

F01 AUTODISPLAYSCANNING

Automatically scans V, A, Ah, and T. Each value is displayed for four

seconds. DEFAULT: OFF RANGE: OFF or ON

F02 ENHANCED SLEEP MODES

DEFAULT: ON

RANGE: ON, OFF, AU (AUTOMATIC)

When the Sleep Mode is ON, the Link 10's numeric display turns off

after 10 minutes in order to reduce power consumption. Pressing either

SET or SEL buttons returns the numeric display to operation.

When the Sleep Mode is OFF, the numeric display stays on at all times.

Inthespecialautomaticsleepmode(displayedasAu),thenumericsare

on whenever charging or discharging exceeds 1 amp. When the rate of

chargeordischargeremainslessthan1ampfor10minutes,thenumeric

display is turned off to conserve power. When asleep, pressing either

SET or SEL reactivates the numeric display. The numeric display

automatically wakes up when the rate of charge or discharge exceeds

1 amp. The Automatic Sleep Mode is ideal for electric vehicles.

DEFAULT: ON

RANGE: OFF or ON

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Advanced Functions

F03 DISPLAYORSETBATTERYTEMPERATURE

If there is no external temp sensor and F16 is OFF (factory default),

this function sets ambient battery temperature used to caluculate rate

corrected battery capacity which drives the LED bar graph and the

Time remaining display. Feature not available on units with serial

numbers prior to 05000.

DEFAULT: 20 °C

RANGE: 0–40 °C

STEP: 1 °C

If F16 is ON and an optional external temperature sensor is connected

between Pin 6 and Pin 8 (ground), F03 will display temperature

(0–99 °C). Temperature will continue to be displayed until one of the

two front panel buttons is pressed. Active Temperature display is

annunciated by the absence of front panel status indicators. If 0 is

displayed at normal (~ 20 °C) temperatures, an open temperature

probe should be assumed. If >99 is displayed at normal temperatures,

a shorted probe should be suspected.

F04 TURNONKWHRSDISPLAY

KilowatthoursaredisplayedintheAhmode. (Note:ThekWhdisplay

does not take into account Charging Efficiency. As a condition for a

recalculation of the CEF and an automatic reset of amp hours to zero,

100% of the energy removed from the battery must be returned. The

number in the kWh display must be zero or positive to allow a

recalculation of the CEF and an automatic reset to zero. You may use

this function to verify that this condition has been met.)

DEFAULT: OFF RANGE: OFF or ON

F05 USEALTERNATIVEENERGY(AE)DEFAULTS

Changes time to meet Charged Parameters to one minute from the

normalfiveminutes. (AlsoconsiderchangingChargedCurrentto4%.)

DEFAULT: OFF RANGE: OFF or ON

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Advanced Functions

F06 MANUALLY SET CEF (Not Recommended)

Allows manual setup of CEF. Displayed as two digits. Default display

A90 indicates automatic CEF recalculation feature active. Returning

to A90 from a user CEF turns the automatic CEF feature back on. A

user-set CEF will appear as a UXX in the DATA mode. See page 29.

DEFAULT:A90

RANGE: 65–99

STEP: 1

F07 SETTEMPERATURECOEFFICIENT

Compensates for capacity change with temp. ~ 0.5% Cap/°C. This

coefficient must be supplied by the battery manufacturer. The default

value is typical for lead acid liquid or gelled batteries.

DEFAULT: 0.5

RANGE: 0.1–0.9

STEP:0.1

F08 SETPEUKERTEXPONENT

Sets exponent for Peukert’s equation. A setting of 1.0 defeats Peukert's

calculation. See pages 39–42 for a discussion of Peukert's equation and

typical values for various batteries.

F09 SETDISCHARGEFLOOR

Sets the discharge floor used to calculate bar graph status and time of

operation remaining functions. The factory default is to calculate time

remaining, and bar graph based on a rate-corrected discharge of 100%

of declared amp-hour capacity. In other words, the bar graph will flash

red when less than 20% of your rate-corrected (Peukert amp hour)

capacity remains. Default time remaining is essentially "time till

dead battery."

To ensure a margin of safety you may wish to set a different discharge

floor. You may wish to set 80% or some other discharge floor for your

bar graph.

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Advanced Functions

CAUTION: If you set the discharge floor high, such as 50%, and

continue to discharge well beyond this point, you will notice that the

bar graph does not "fill up" until you have charged the battery above

the discharge floor. In other words, if you set the discharge floor at

50% and discharge 75%, you must recharge back up to the 50% level

before your bar graph and time of operation will again give you

meaningfulinformation.

DEFAULT: 100%

RANGE: 50–100%

Step: 5%

F10–F12 SEE LOW BATTERY ALARM, PAGES 35–38

F13 SEEHIGHVOLTAGENOTES,PAGE50

F14 ENABLELOWBATTERYALARM

In versions of the Link 10 equipped with the Low Alarm Switch, this

function allows the Low Battery Alarm to be disabled.

DEFAULT: OFF

RANGE: ON, OFF

F15 SOFTWARE REVISION

Displays revision of software.

Please note that the software enhancements to the Link 10 may not be

retrofitted into earlier versions of this product. If the Link 10 has serial

number 005000 or larger, it will come with software version E1.3 or

greater installed. Earlier versions of the Link 10 do not support

temperature sensing, small amp-hour increments, separate alarms for

meter power and low battery conditions. Early versions display 255

instead of CCC when the battery is being charged.

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Advanced Functions

F16 TEMPERATURESENSORON/OFF

This function turns the optional external temperature sensor on or off.

This feature is only operable when a temperature sensor has been

connected between Pin 6 and Pin 8 of the Link 10.

To fully understand this feature, please refer to F03 on page 31. Not

available prior to Serial Number 005000.

DEFAULT: OFF RANGE: ON, OFF

F17 LIGHTTEST

This function confirms proper operation of the Link 10's front panel

display. When the SET button is pressed in the F17 mode, the two top

left lights on the Light Bar will display orange/yellow color, the

numericdisplaywillread188.8andallfourstatuslightswillbeon.The

display returns to normal when the SET button is released. Operation

of the two top-right green lights on the Light Bar is confirmed when

power is initially applied to the Link 10.

DEFAULT: OFF RANGE: ON only while F17 is active.

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Low Battery Alarm

Units with serial numbers greater than 005000 allow access to an enhanced

Low Battery Alarm feature. To activate this feature, change Function F14

to ON. When F14 is ON, the Link 10 displays a visual alarm when the

monitored battery meets either of two conditions:

1) A settable rated compensated (Peukert) amp-hour depth of

discharge is exceeded or,

2) Voltage remains below a settable level for 15 seconds or longer.

When operating the Link 10 with the visual Low Battery Alarm function

ON, three additional software functions are active. Two of these functions,

F11 and F12, set the low amp-hours and low voltage levels which turn the

visual alarm ON. Function F10 is the Low Battery Alarm OFF (Recharge)

Set Point.

Visual Alarm Indication

There are two levels of visual alarm.

Level 1: The normal display alternates with a blank Bar Graph and LO

appears in the numeric display.

Level 2: Once the Level 1 alarm display is acknowledged by the operator

by pressing either SET or SEL once, the Level 2 Alarm flashes the amp-

hours function light while dimming the presently displayed function light.

In the event amp hours are displayed, the amp-hours light will go off at

half-second intervals. Once the battery alarm feature is activated, a visual

alarm display (Level 1 or Level 2) will continue until amp hours are above

the Low Battery Alarm OFF (Recharge) Set Point (F10) and voltage is

above the Low Voltage Alarm Threshold F12 for at least 15 seconds.

Alarm Circuit

Special versions of the Link 10 close a circuit to ground when either Visual

Alarm level is active. This circuit may be used for audible alarms, generator

staring, and so forth. Because additional internal circuitry is included, this

option may not be retrofitted to the Link 10 in the field.

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Alarm Functions

Refer to F14 in the Owner's Manual

Functions F10, F11, and F12 define operation of the Visual Low Battery

Alarm as follows:

F11

F10

TURNS ON Low Battery

Alarm at a set % of rate-

compensated amp hours

discharged

TURNS OFF Low

Battery Alarm when

amp hours are restored

0% Discharged

ALARM OFF

Settable Range

10% Discharged

Amp-Hour

Capacity of

Battery

ALARM ON

Settable Range

70% Discharged

E.G. 100 Ah

80% Discharged

F10 LOWBATTERYALARM OFF (RECHARGE)SETPOINT

Once the Low Battery Alarm is activated, recharging the battery to

this point turns the alarm OFF. This recharged point must always be at

least 10% higher than Low Battery Line closure point.

DEFAULT: 70% RANGE: 0%–70%

STEP: 5%

F11 LOW BATTERY ALARM ON SET POINT

Sets when the Low Battery Alarm goes ON point based on percent of

amp hours discharged. F11 is displayed as a percentage: i.e. 10 is 10%

discharged. F11 may set anywhere in its range but at least 10% below

the F10 Low Battery Alarm OFF Set Point set point.

DEFAULT: 80% RANGE: 10%–80%

STEP: 5%

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NOTE:TheLowBatteryAlarmONandOFFpointsoperate

on rate compensated (Peukert) amp hours consumed. Once the

alarm is activated, the battery must be charged until Alarm OFF Set

Point is reached to turn the alarm off.

F12 LOWVOLTAGEALARMTHRESHOLD

F12 sets the voltage below which the Low Battery Alarm is activated.

But the voltage must remain below this set point for a full 15 seconds

before the Low Battery Alarm goes ON. Dropping below the Low

Voltage Alarm Threshold for less than a full 15 seconds will not

activate the alarm.

IflowvoltageactivatesthealarmwhilethebatteryisabovetheAlarm

OFF (amp hour) Set Point, the alarm goes OFF as soon as voltage

remains above the low voltage threshold for 15 seconds. If the battery

is below the Alarm OFF (amp hour) Set Point when low voltages

turn the Alarm ON, the alarm stays on until the battery is recharged to

above the Alarm OFF (amp hour) Set Point.

RANGE: 5.0–40 V (0–50 V Scaling) STEP: 0.1 V Default 10.5 V

RANGE: 5.0–80 V (0–100 V Scaling) STEP: 0.1 V Default 10.5 V

RANGE: 50–400 V (0–500 V Scaling) STEP: 1.0 V Default 105 V

THINGS TO REMEMBER:

1) The Low Battery Alarm may be activated by either a low Voltage OR

a low amp-hour condition.

2) There must be a 10% difference between the Low Battery Alarm ON

set point and Low Battery Alarm OFF (Recharge) Set Point.

3) Because Low Battery Alarm ON may be triggered by rated compen-

sated (Peukert) amp hours, you may see fewer amp hours removed in

the numeric display than expected. The more rapidly you have

discharged your battery, the more pronounced this variance will be.

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Optional Alarm Switch

Special versions of the Link 10 are available, for additional charge, which

include a solid state Alarm Switch to ground via rear panel terminal strip

Pin #7. This option is used in a variety of settings such as lift pump lock out

on fork lifts, two wire generator start/stop, audible low battery alarms, and

charge controllers. The additional circuitry of the switch may not be retrofitted

to the Link 10 in the field. It must be included at the time of manufacture.

The Low Battery Alarm Switch goes low to meter ground when the alarm

is activated. In other words, a sinking FET switch to the meter's negative

power lead is completed while the alarm is active. This lead is protected

against polarity reversal so the "switch" connection has about 1 ohm of

resistance. This should be taken into account when sizing relays or

designing logic interfaces. The maximum amount of current that may be

controlled by this circuit is 150 mA (0.150 A) at no more than 50 V. Below

are two typical applications for the optional Low Battery Alarm Switch:

RELAY DRIVER DIAGRAM

AUDIBLE ALARM

+ DC Alarm Power.

Negative must be common

to the Link 10.

Controlled Circuit

RELAY COIL

12 V or 24 V

Piezo alarm

<150 mA.

To Pin 7, the Link 10

rear panel term. strip.

+ -

Alarm Defeat

Switch On-Off

+ DC Relay Power (<50 V). Nega-

tive must be common to the Link 10.

To Pin #7

The Link 10

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Peukert's Equation

Peukert's Equation describes the effect of different discharge rates on battery

capacity. As the discharge rate increases, the available battery capacity

decreases. The table and examples on the following page illustrate this

effect and how to use the table to estimate the exponent "n". The tables on

pages 40 and 41 have typical values of "n" for common batteries.

Making two discharge tests, one at a high discharge rate and one at a low

rate, that bracket your normal range of operation, allows you to calculate

an "n" that will describe this varying effect. The Link 10 uses an "n" equal

to 1.25, which is typical for many batteries.

At some low to moderate discharge rate, typically a battery's 20-hour rate,

the logrithmic effect of Peukert's Equation is greatly reduced. The effect

of discharge rates smaller than this is nearly linear. Battery manufacturer

specifications of battery capacity in amp hours is typically given at the 20-

hour rate. From this description, if a battery is discharged at this rate for

the period of time called out, you will be able to remove the rated capacity.

The equation for Peukert's Capacity (C ) is:

log t₂- log t₁

n =

C = I t where

log I₁- log I₂

By doing two discharge tests and knowing I₁& I₂(discharge current in

amps of the two tests), and t₁& t₂(time in hours for the two tests) you can

calculate n (the Peukert coefficient). You will need a calculator that has a

Log function to solve the equation above. See example on page 42. After

you solve for your Peukert's coefficient you may enter it using Advanced

Function F8.

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Peukert's Equation

The table below may be used to understand the effect of high rates of

discharge on available battery capacity. It may also be used to estimate the

exponent "n" for a battery after a single discharge test. The table is based

on a 100-Ah battery but may be used for any capacity battery by using an

appropriately scaled current. See the examples below:

PERCENTAGE OF AVAILABLE CAPACITY FROM A

100 Ah BATTERY AT DIFFERENT DISCHARGE RATES

USING DIFFERENT PEUKERT'S EXPONENTS

DISCHARGE RATE IN AMPS

5 10 16.7 25 50 75 100 150 200 250 300 400 500

100 100 100 100 100 100 100 100 100 100 100 100 100

1.1 100 93 88 85 79 76 74 71 69 67 66 64 63

1.2 100 87 78 72 63 58 55 51 48 46 44 42 40

1.25 100 84 74 67 56 51 47 42 40 37 36 33 32

1.3 100 81 69 62 50 44 41 36 33 31 30 27 25

1.4 100 76 61 52 40 34 30 26 23 21 20 17 16

1.5 100 71 55 45 32 26 22 18 16 14 13 11 10

Example #1: Suppose you have a 200 Ah Example #2: A 100 Ah battery

battery. Now discharge at a 50-amp with a Peukert's exponent of 1.3

rate until the battery reaches 1.75 V will deliver only 41% of its

per cell (10.5 V for a 12 V battery). capacity when supplying a 100-

This would be equivalent to a discharge amp load.

rate of 25 A for a 100 Ah battery. If the

battery delivered 67% (134 Ah) the

appropriate Peukert's exponent would

be 1.25.

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Peukert's Exponent

Typical Values for Peukert's Exponent "n"

This table contains values for the exponent "n" for various batteries and

manufacturers. They are calculated from the 20-hour rating and the

Reserve Minutes @ 25 A as supplied by the manufacturer. They should be

considered only a guide for selecting "n."

Prevailer & SeaGel Batteries

Model Volts Res. Min. 20-Hr. rating "n"

8GGC

8GU1

8GU24

8GU27

8GU30H 12

84D

375

180

1.14

1.20

1.13

1.12

1.11

1.10

130

167

188

388

500

180

225

8G8D

Trojan Batteries

Model Volts Res. Min. 20-Hr. rating "n"

T-105

T-125

T-145

J250

J305

L16

24TM

27TM

30XHS

SCS225

EV8D

447

488

530

535

660

760

135

160

225

450

225

235

244

250

305

350

105

130

216

1.24

1.19

1.14

1.17

1.21

1.28

1.23

1.28

1.27

Peukert's Equati¹o^.17n

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Peukert's Exponent

Surrette and Rolls Batteries

Model Volts Res. Min. 20-Hr. rating "n"

EHG-208 6

345

350

395

165

190

230

348

450

208

225

262

112

108

170

221

1.42

1.54*

1.72*

1.16

1.23

1.08

1.15

1.20

EIG-225

EIG-262

24/90

27/12M

30H/108

HT/4D

HT/8D

*Use Max allowed "n" of 1.50

Example of using Reserve Minutes @ 25 amps

and the 20-hour rate to calculate "n".

First convert Reserve Minutes to hours, then find the discharge current at

for the 20-hour rating. Finally, use a calculator to solve the arithmetic.

Trojan T-105:

Reserve Minutes = 447 min @ 25 amps.

t₁= 447 min = 447/60 = 7.45 hrs

I₁= 25 amps

20-hour rating = 225 Ah

t₂= 20 hours

I₁= 225 amp hours/20 hours = 11.25 amps

log t₂- log t₁

log 20 - log 7.45

1.301 - 0.872

n =

= 1.24

log I₁- log I₂

log 25 - log 11.25

1.398 - 1.051

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Troubleshooting

Problem

No lights or display

Suggestion

Check Power Connections

Reset meter (page 28)

No keyboard response

Check Lock is not invoked

Reset meter (page 28)

Time Remaining Not

Accurate

Check Battery Capacity (page 21)

Check Temperature Coefficient (page 32)

Check Peukert Exponent (page 26)

Clean front panel photo-sensor

(Between A and Ah lights)

Digital Display Dim

Current Polarity Reversed Current Shunt leads reversed (page 13)

Intermittent Operation

Corrosion or loose wires. Loosen and

reconnect all rear panel connections.

Check voltage sense and shunt wiring

at battery location.

Accumulates Negative

Amp-hour reading

Charge Parameters not met. Check

Charged Parameter values—has 100% of

kWh been returned? Charging Current is

not passing through shunt (pages 13, 22,

23, and Function F04).

Xantrex Technology, Inc. warrants that the Link 10 will measure voltage,

amperage, and amp hours within the published specifications. The Time

Remaining and LED bar graph functions are complicated and require

appropriate user setup and are therefore beyond the control of Xantrex

and are not covered by warranty. Similarly, installation wiring and specific

applications are beyond our control and are not covered by warranty.

See page 52.

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Options & Versions

User-installable OPTIONS available include:

Prescalers: Extend the voltage range covered by the Link 10

to either 0–100 V (Xantrex P/N 84-6000-0) or

0–500 V (Xantrex P/N 84-6000-05).

Temperature Sensor: Reports battery temperature in Degrees Celsius

(Xantrex P/N 84-2024-00)

All other options must be installed at the time the Link 10 is manufactured,

as additional circuitry is involved.

Special order VERSIONS of the Link 10

RS-232

(9600, 8, N, 1 ASCII computer port)

Alarm Switch

Switch closure when Low Battery Alarm is active.

RS-232 + Alarm Switch

(Both options above)

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High Voltage Prescaler

CAUTION!

1. Installation of the Prescaler Option involves work with poten-

tially fatal voltages. NEVER work alone—have at least one person

present who can render assistance and CPR in the event of an

accident. If you have any doubt about your qualifications to

work on a high-voltage system, DON'T DO IT!

2. When working with any DC system, even so-called ungrounded

("floating") systems with no planned chassis connection, disconnect

the negative battery terminal first.

Use a Prescaler if system voltage EVER exceeds 50 V!

Then set voltage scaling with F13 (see page 50).

2 A Fuse. Above 250 V

use 500 V rated fuse.

Prescaler Part Numbers:

0–100 V

0–500 V

84-6000-00

84-6000-05

Red

(Tagged)

Black

Battery

To Link 10

Prescaler

Red

(Tagged)

Black

To Link 10

Warning: Reversing input

voltage destroys Prescaler

and voids warranty.

Shunt

Note: Black wires are common within Prescaler.₄₅

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Electric Vehicles (EVs)

The Link 10 is the ideal energy meter for EV instrumentation. It not only

provides volts, amps, amp hours and time remaining, it adds two important

bonuses: kilowatt hours and optional serial computer output.

If you design or work with electric vehicles or battery-powered equipment

of any type, you should realize that kilowatt hours are a more accurate

measure of energy used than are amp hours. Here's why:

The term "amp hour" defines current (amps) multiplied by time (hours).

Amp hours is one way to state battery capacity. Amp hours is not a measure

of energy consumed by a vehicle. Energy is defined as:

Energy in watt hours = voltage x amperage x time.

Consider two examples: First, assume we have a 120-volt battery that

supplies a 100-amp load for 1 hour. At the end of one hour, 12,000 watt-

hours (12.00 kWh) will have been consumed. In the same period of time,

100 amp hours will be used.

But now suppose we have a 240-volt battery supplying a 100-amp load

for one hour. What happens to the math? Well, 24,000 watt hours (24.00

kWh) of power have been consumed. The amp hours consumed is the

same as the first example, 100 amp hours, but twice the energy has been

consumed!

That's why electric vehicle efficiency is judged on kilowatt hours. A kilo-

watt hour is a 1,000-watt load for a period of one hour. You buy kilowatt

hours from the power company (to keep the lights on in your home) at a

typical cost of $0.05 to $0.15 per kWh. By comparing the cost of kilowatt

hours from the electric company with kilowatt-hour consumption of an

electric vehicle, you can accurately judge EV operating costs.

Refer to the Owner's Manual for instructions on use of the kWh display.

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EV Installations

The negative of the Link 10's power supply must be common to the nega-

tive of the battery (motive pack) which you are measuring. This may pose

difficulty if your electric vehicle uses an "unbonded" or "floating" (no

connection to the chassis) motive pack and a "bonded" (connected to the

chassis) accessory battery. In these instances, the use of a DC-DC con-

verter, or a separate battery with a common negative with the motive

battery is required. This device provides power for the Link 10 without

electrically connecting the motive battery negative to the chassis. The

diagram shown is for a typical DC-DC converter. If you use a different

DC-DC converter, the pin-out may be different:

Warning: Reversing

2 A Fuse. Above 250 V

input voltage destroys

use 500 V rated fuse.

Prescaler and voids

warranty.

Red (Tagged)

Black

Battery

Prescaler

Red

(Tagged)

+HV scaled

voltages goes

to Pin #4

Black

Shunt

Link 10

DC - DC

Converter

+12 V Meter

power goes

to Pin #5

5 6 7 8

2 3 4

Acces.

12V

Battery

DC-DC Converter pin outs vary.

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Lift Truck Installations

Installation of the Link 10 in lift trucks, which have the motive pack bonded

to the chassis and also have a 12 V accessory battery bonded to the chassis,

may use the diagram below for proper wiring of the appropriate Prescaler.

The 0–100 V Prescaler is used where system voltage does not exceed

100 V at any time, including during onboard charging. In any other instance,

a 500 V Prescaler must be used. If possible, install separate Anderson (SMH)

connector so pack can be charged in truck if batteries are not changed.

This way, battery cycles will be counted.

2 A fuse. Above 250 V

use 500 V rated fuse.

Warning: Reversing input

voltage destroys Prescaler

and voids warranty.

Red

(Tagged)

Battery

Black

Prescaler

Red

(Tagged)

Black

Shunt

Link 10

5 6 7 8

2 3 4

12 V

24 V

Acces.

(-)

Optional

DC-DC

Battery

Converter

(+)

This line is not used

if DC-DC converter is installed.

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(optional) Serial Port, RS-232

The Link 10 may be equipped to transmit serial communications data to a

personal computer or a data logging device. When equipped with the

optional RS-232 port, the Link 10 will transmit a data message once a

second. The structure of this data is as follows:

Data Rate:

Stop Bits:

Word:

9600

Data Bits:

Parity Bits: None

ASCII Characters, comma delimited

OutputFormat:

Time, kWh, amps, volts, amp hours, Peukert amp hours, Peukert amps,

time remaining, bar graph state, temperature (degrees C).

Time is elapsed seconds since last amp hour reset. Kilowatt hours are signed

+ or -, amp hours are signed + or -, amps are signed + or -, volts are

positive, time remaining is in hours or tenths of hours.

Peukert amps and Peukert amp hours are compensated for Peukert's equa-

tion. These numbers are primarily intended for our development and trouble-

shooting. Please do not attempt to interpret these numbers.

The Bar Graph state is indicated by the following integers:

1<20%, 2<40%, 3<60%, 4<80%, 5<100%, 6 = Full (Charged Params met)

If the Low Battery Output is activated, the Bar Graph state is indicated as:

A<20%, B<40%, C<60%, D<80%, E<100%, F = Full (Charged Params met)

Pin Out:

The serial connection is via the DB-9 connector on the rear deck of the

Link 10. See additional notes on page 11. The pin connections are as follows:

Pin 2Receive Data line

Pin 3Transmit Data line

Pin 5Ground. This is connected to battery pack (-).

The shell of the DB-9 is NOT grounded.

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High Voltage Notes

HOW TO SET VOLTAGE SCALING WHEN

USING A HIGH VOLTAGE PRESCALER

F13 SETVOLTAGESCALING

Sets proper voltage scaling when used with an external Voltage

Prescaler. NOTE: If you use a Prescaler, you need to change the

Charged Voltage to an appropriate value for your application. See

"Charged Parameters" on pages 22 and 23.

DEFAULT: 0= 0–50 V. Options: 1= 0–100 V, 2= 0–500 V

IF YOU USE MOTIVE BATTERIES TO POWER

THE LINK 10:

If the HV battery is "tapped" to provide meter power, it is recommended

that a 24 V tap, not a 12 V tap, be used. The reason for this is that under

heavy acceleration under low battery conditions, voltage may fall to levels

low enough to cause the meter display to turn off momentarily. Under

extreme circumstances, historical data may also be lost.

AVOID DATA LINE SHOCK HAZARD:

If you have a floating ground system and the Link 10 is equipped with the

RS-232 Serial Computer Port option and is being used to record data into a

laptop computer, we strongly recommend use of an optical isolator such as

Omega Cat #268 to eliminate danger of a HV short to ground or personal

shock hazard. Use caution in connecting wires to the DB-9 on the rear of

the Link 10 as Pin #5 is connected directly to motive battery (-).

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EC Declaration of

Conformity

C E

Manufacturer:

XANTREX TECHNOLOGY, INC.

Address:

Xantrex Technology, Inc.

8999 Nelson Way

Burnaby, BC

Canada V5A 4B5

Herewith declares that the Xantrex Link 10 is in conformity with

the provision of the EEC Directive EMC 89/336/EEC and amend-

ments 92/31/EEC, 93/68/EEC.

The following harmonized standards have been applied:

EN 50081-1: 1992

EN 50082-1: 1992

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Limited Warranty

What does this warranty cover?

This Limited Warranty is provided by Xantrex Technology, Inc. (“Xantrex”) and covers defects in workmanship and materials in your Xantrex Link

10 Battery Monitor. This warranty lasts for a Warranty Period of 12 months from the date of purchase at point of sale to you, the original end user

customer.

This Limited Warranty is transferable to subsequent owners but only for the unexpired portion of the Warranty Period.

What will Xantrex do?

Xantrex will, at its option, repair or replace the defective product free of charge, provided that you notify Xantrex of the product defect within the

Warranty Period, and provided that Xantrex through inspection establishes the existence of such a defect and that it is covered by this Limited

Warranty.

Xantrex will, at its option, use new and/or reconditioned parts in performing warranty repair and building replacement products. Xantrex reserves the

right to use parts or products of original or improved design in the repair or replacement. If Xantrex repairs or replaces a product, its warranty

continues for the remaining portion of the original Warranty Period or 90 days from the date of the return shipment to the customer, whichever is

greater. All replaced products and all parts removed from repaired products become the property of Xantrex.

Xantrex covers both parts and labor necessary to repair the product, and return shipment to the customer via a Xantrex-selected non-expedited surface

freight within the contiguous United States and Canada. Alaska and Hawaii are excluded. Contact Xantrex Customer Service for details on freight

policy for return shipments outside of the contiguous United States and Canada.

How do you get service?

If your product requires troubleshooting or warranty service, contact your merchant. If you are unable to contact your merchant, or the merchant is

unable to provide service, contact Xantrex directly at:

Phone: 1-800-670-0707 (toll free in North America) 1-604-422-2777 (direct)

Fax: 1-604-420-2145

Email: [email protected]

Direct returns may be performed according to the Xantrex Return Material Authorization Policy described in your product manual. For some

products, Xantrex maintains a network of regional Authorized Service Centers. Call Xantrex or check our website to see if your product can be

repaired at one of these facilities.

In any warranty claim, dated proof of purchase must accompany the product and the product must not have been disassembled or modified without

prior written authorization by Xantrex.

Proof of purchase may be in any one of the following forms:

•

The dated purchase receipt from the original purchase of the product at point of sale to the end user, or

The dated dealer invoice or purchase receipt showing original equipment manufacturer (OEM) status, or

The dated invoice or purchase receipt showing the product exchanged under warranty

What does this warranty not cover?

This Limited Warranty does not cover normal wear and tear of the product or costs related to the removal, installation, or troubleshooting of the

customer’s electrical systems. This warranty does not apply to and Xantrex will not be responsible for any defect in or damage to:

a) the product if it has been misused, neglected, improperly installed, physically damaged or altered, either internally or externally, or damaged

from improper use or use in an unsuitable environment;

b) the product if it has been subjected to fire, water, generalized corrosion, biological infestations, or input voltage that creates operating

conditions beyond the maximum or minimum limits listed in the Xantrex product specifications including high input voltage from

generators and lightning strikes;

c) the product if repairs have been done to it other than by Xantrex or its authorized service centers (hereafter “ASCs”);

d) the product if it is used as a component part of a product expressly warranted by another manufacturer;

the product if its original identification (trade-mark, serial number) markings have been defaced, altered, or removed.

Disclaimer

Product

THIS LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY PROVIDED BY XANTREX IN CONNECTION WITH YOUR

XANTREX PRODUCT AND IS, WHERE PERMITTED BY LAW, IN LIEU OF ALL OTHER WARRANTIES, CONDITIONS, GUARANTEES,

REPRESENTATIONS, OBLIGATIONS AND LIABILITIES, EXPRESS OR IMPLIED, STATUTORY OR OTHERWISE IN CONNECTION WITH

THE PRODUCT, HOWEVER ARISING (WHETHER BY CONTRACT, TORT, NEGLIGENCE, PRINCIPLES OF MANUFACTURER’S LIABILITY,

OPERATION OF LAW, CONDUCT, STATEMENT OR OTHERWISE), INCLUDING WITHOUT RESTRICTION ANY IMPLIED WARRANTY OR

CONDITION OF QUALITY, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. ANY IMPLIED WARRANTY OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT REQUIRED UNDER APPLICABLE LAW TO APPLY TO

THE PRODUCT SHALL BE LIMITED IN DURATION TO THE PERIOD STIPULATED UNDER THIS LIMITED WARRANTY.

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Limited Warranty

IN NO EVENT WILL XANTREX BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES,

LOSSES, COSTS OR EXPENSES HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT RESTRICTION ANY

ECONOMIC LOSSES OF ANY KIND, ANY LOSS OR DAMAGE TO PROPERTY, ANY PERSONAL INJURY, ANY DAMAGE OR INJURY

ARISING FROM OR AS A RESULT OF MISUSE OR ABUSE, OR THE INCORRECT INSTALLATION, INTEGRATION OR OPERATION OF

THE PRODUCT.

Exclusions

If this product is a consumer product, federal law does not allow an exclusion of implied warranties. To the extent you are entitled to implied

warranties under federal law, to the extent permitted by applicable law they are limited to the duration of this Limited Warranty. Some states and

provinces do not allow limitations or exclusions on implied warranties or on the duration of an implied warranty or on the limitation or exclusion of

incidental or consequential damages, so the above limitation(s) or exclusion(s) may not apply to you. This Limited Warranty gives you specific legal

rights. You may have other rights which may vary from state to state or province to province.

Warning: Limitations On Use

Please refer to your product user manual for limitations on uses of the product. Specifically, please note that the Xantrex Link 10 Battery Monitor is

not intended for use in connection with life support systems and Xantrex makes no warranty or representation in connection with any use of the

product for such purposes.

Return Material Authorization Policy

Before returning a product directly to Xantrex you must obtain a Return Material Authorization (RMA) number and the correct factory “Ship To”

address. Products must also be shipped prepaid. Product shipments will be refused and returned at your expense if they are unauthorized, returned

without an RMA number clearly marked on the outside of the shipping box, if they are shipped collect, or if they are shipped to the wrong location.

When you contact Xantrex to obtain service, please have your instruction manual ready for reference and be prepared to supply:

•

The serial number of your product

Information about the installation and use of the unit

Information about the failure and/or reason for the return

A copy of your dated proof of purchase

Return Procedure

1. Package the unit safely, preferably using the original box and packing materials. Please ensure that your product is shipped fully insured in the

original packaging or equivalent. This warranty will not apply where the product is damaged due to improper packaging.

2. Include the following:

•

The RMA number supplied by Xantrex Technology Inc clearly marked on the outside of the box.

A return address where the unit can be shipped. Post office boxes are not acceptable.

A contact telephone number where you can be reached during work hours

A brief description of the problem

3. Ship the unit prepaid to the address provided by your Xantrex customer service representative.

If you are returning a product from outside of the USA or Canada

In addition to the above, you MUST include return freight funds and are fully responsible for all documents, duties, tariffs, and deposits.

If you are returning a product to a Xantrex Authorized Service Center (ASC)

A Xantrex return material authorization (RMA) number is not required. However, you must contact the ASC prior to returning the product or

presenting the unit to verify any return procedures that may apply to that particular facility.

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RS-232 Warning

When using an RS-232-equipped version of the Link 10 in an electric

vehicle which has a floating motive battery negative, remember that Pin

#5 of the DB-9 connector coming out of the back of the Link 10 is con-

nected to the motive battery negative.

This normally causes no problem when used with laptop computers.

However, if you plug the DB-9 RS-232 output into a computer with a

metal chassis then motive battery negative will be connected to the

chassis of the computer.

THIS EXPOSED BATTERY NEGATIVE MAY BE

HAZARDOUS, AND POSSIBLY FATAL IF YOU HAVE A

HIGH SIDE MOTIVE PACK FAULT.

We strongly recommend that when using a computer to log data, you

minimize the hazard by installing an RS-232 Opto-Isolation Module. One

such module is available through Omega Engineering, Inc. (Model 268

costs $126). Call 1-800-872-9436 (phone), 1-800-848-4271 (fax), or

visit www.omega.com

Please note you will also have to purchase DB-25 to DB-9 adapters as

the Model 268 uses DB-25 connectors. Be certain you purchase straight-

through adapters, not the null modem type!

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Software History

Software Enhancement Rev. E 1.5

The Link 10 now includes the following additional functions:

F02 - ENHANCED SLEEP MODES

DEFAULT: ON

Range: ON, OFF, AUTOMATIC

When the Sleep Mode is ON, the Link 10's numeric display turns off

after 10 minutes in order to reduce power consumption. Pressing either

SET or SEL buttons returns the numeric display to operation.

When the Sleep Mode is OFF, the numeric display stays on at all times.

In the AUTOMATIC sleep mode (displayed as AUt), the numerics are

on whenever charging or discharging exceeds 1 amp. When the rate of

chargeordischargeremainslessthan1ampfor10minutes,thenumeric

display is turned off to conserve power. When asleep, pressing either

SET or SEL reactivates the numeric display. The numeric display

automatically wakes up when the rate of charge or discharge exceeds

1 amp. The Automatic Sleep Mode is ideal for electric vehicles.

TIME REMAINING DISPLAY

DEFAULT: 001

Range: 000

001

002,003

When

is selected, an averaged Time Remaining number is not

displayed. Instead, the Link 10 reports rate compensated percent of

(declared) Battery Capacity Remaining. A full battery is displayed as

100Pandthedisplaydecrementsduringdischargeto00P

If you have selected a discharge floor other than 100%, the percent of

battery capacity remaining is referenced to the selected discharge floor

and uses the instantaneous (not averaged) rate of discharge.

This function is useful on electric vehicles where time remaining

numbersareoflittlevalue. NOTE:Thisdisplayshowstheratecompen-

sated capacity percentage which drives the bar graph.

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Software Addendum

Software Enhancement

This version of the Link 10 includes special software.

F18 - SMALL BATTERY SENSING

DEFAULT: OFF

Range: OFF, ON

When this function is OFF, the meter operates as described elsewhere

inthismanual.WhenthisfunctionisON,theamp-hourcapacityrange

allows capacities as low as 2 amp-hours to be declared. When ON,

capacity may be set from 2–200 amp hours, and small capacity

increments are allowed as follows:

From2–40amphours, 1amp-hourcapacityincrementsarepermitted.

Above 40 (to 198 amp hours), 2 amp-hour capacity increments are

permitted.

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Index

Advanced Functions, 30–34

Reading the Bar Graph, 19

Battery Basics, 8

Removing, 11

CE Declaration of Conformity, 51 Reset and Lock, 28

Charge Efficiency Factor, 23

Serial Port, RS-232 (optional), 49

Charged Parameters, 22–23

High Voltage Notes, 50

Historical Data, 29

Setting Battery Capacity, 21

Setting Peukert's Exponent, 26

Setting Up t , 24

Installation (General), 9–15

Introduction, 7

Shunt & Battery Wires, 13

Specifications, 59

Low Battery Alarm, 27, 35–38 Startup, 16

Low Voltage, 27

Synchronizing the Link 10, 17

Meter Wiring Detail, 14

Mounting, 10

Temperature Sensor (optional), 25

Troubleshooting, 43

Operation (Basic), 18–24

Options and Versions, 44

Peukert’s Equation, 26, 39–42

Prescaler (optional), 45

Quick Reference Guide, 5–6

Using the

Buttons, 20

Warranty Support, 52

Wire by Wire Check, 15

Wiring Overview, 12

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Specifications

Voltage: For 12 V–24 V systems. Optional Prescalers extend voltage range.

StandardModel:TwoAuto-ranges: 0to19.95V(0.05Vresolution)

20.0to50.0V(0.1Vresolution)

Optional Prescalers: 0–100 V, 0–500 V (Used with standard model)

Amperage:

Low Range: + 0–40.0 amps (0.1 amp resolution)

High Range: + 500 amps (1 amp resolution)

Amp-hours:

Low Range: +0–199.9 amp hours (0.1 amp hour resolution)

High Range: + 200–1999 amp hours (1 amp hour resolution)

TimeRemaining:

Low Range: 0 to 199.9 hours (0.1 hour resolution)

High Range: 0 to 255 hours (1.0 hour resolution)

PowerRequirements:

9.5–40 volts DC

Current: 50–150mA(Dependsonambientlight.Displayautodims.)

28mA (SleepMode—BarGraphDisplayOnly)

Shunt type required: 50 mV @ 500 amp

Accuracy:

Voltage: + (0.6% of reading + 1 least count of resolution)

Amperage: + (0.8% of reading + 1 least count of resolution)

Amphours:AhError~(Timeofmeasurementxcurrenterror)

Physical:

Max. Outer Bezel Diameter: 2.5'' (63.5 mm)

Max. Barrel diameter: 1.95" (50 mm)

Max. Depth: (from back of bezel) 3.15'' (80 mm)

Hole Cutout Size: Use 2" or 2 1/16" hole saw (52 mm)

WaterResistance:Splashprooffrontpanel.

Weight: 8 Ounces (227 g)

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Xantrex Technology Inc.

Toll free 1 800 670 0707

Direct 1 604 422 2777

Fax 1 604 420 2145

[email protected]

www.xantrex.com

445-0195-01-01 Rev.1

Printed in the U.S.A.

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