National Instruments Power Supply FP PS 4 User Manual

OPERATING INSTRUCTIONS

FP-PS-4

FieldPoint Power Supply

These operating instructions describe the installation, features, and

characteristics of the FP-PS-4.

Features

The FP-PS-4 is a FieldPoint power supply module with the

following features:

•

24 VDC output

Convenient DIN rail mounting or optional panel mounting

Universal AC power input: 90 to 264 VAC, 47 to 63 Hz

Modular FieldPoint form factor for easy integration with other

FieldPoint modules

•

15 W output for 0 to 50 °C operation

Installation

You can mount your FieldPoint system either to a DIN rail or

directly on a panel. The following sections give instructions for

both mounting methods.

Mounting Your FP-PS-4 on a DIN Rail

The FP-PS-4 power supply module has a simple rail clip for

reliable mounting onto a standard 35 mm DIN rail. Follow these

steps to mount the module on a DIN rail.

FieldPoint™, National Instruments™, NI™, and ni.com™ are trademarks of National Instruments Corporation.

Product and company names mentioned herein are trademarks or trade names of their respective companies.

323179A-01

November 2001

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3. Slide the FP-PS-4 to the desired position along the DIN rail.

For maximum cooling, leave a 25 mm (1.0 in.) space between

the FP-PS-4 and other devices on your DIN rail. After it is in

position, lock it to the DIN rail by pushing the rail clip to the

locked position, as shown in Figure 3.

Figure 3. Positioning and Locking Your Module

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Mounting Your FP-PS-4 on a Panel

Follow these steps to install the optional FieldPoint network panel

mount accessory and mount the FP-PS-4 power supply module to

a panel. You can order the panel mount accessory, part number

777609-01, from National Instruments.

1. Use a flat-bladed screwdriver to unlock the rail clip, as shown

in Figure 1.

2. Attach the panel mount accessory to the module, as shown in

Figure 4.

Figure 4. Installing the Panel Mount Accessory

3. Lock the panel mount accessory into place by pushing the rail

clip to the locked position.

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4. Mount the FP-PS-4 to your panel with the panel mount

accessory, as shown in Figure 5. The installation guide that

comes with the panel mount accessory includes a template that

you can use to drill pilot holes for mounting FieldPoint

modules. For maximum cooling, leave a 25 mm (1.0 in.) space

between the FP-PS-4 and other devices.

Figure 5. Connecting Your FP-PS-4 to the Panel

Connecting Power to Your

FieldPoint System

Caution Before you connect the FP-PS-4 to your

FieldPoint system, make sure the power cord is not

plugged into an electrical outlet.

Each FP-PS-4 provides a 24 VDC output. You decide the number

of FP-PS-4 modules you need in your bank based upon the specific

power and isolation requirements. The total power of all of the

FieldPoint modules and other devices connected to an FP-PS-4

cannot exceed the specified output for the temperature range at

which you are using FP-PS-4. For FieldPoint power requirement

details, refer to the operating instructions for your particular I/O

modules. Decide how you want to power your FieldPoint bank

based on the power requirements of your bank and your isolation

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needs. Select one or a combination of the methods to power the

signals of each of your I/O modules:

•

The signals of the I/O module are powered by an FP-PS-4 that

is connected to only that I/O module.

•

The signals of the I/O module share an FP-PS-4 with a

neighboring I/O module or network module. This is called

cascading power.

Caution Cascading power from neighboring bases or

network modules defeats isolation between cascaded

modules.

Figure 6 shows a combination of the two ways to power the

FieldPoint bank.

FP-2000

FP-AO-200 FP-RLY-420 FP-DO-400

FP-PS-4 Bank

1516

31 32 C

C 17 18

CAUTION: Cascading

power defeats isolation.

Figure 6. Wiring Power to Your FieldPoint Bank

In Figure 6, the FP-PS-4 bank provides the power using both of the

methods mentioned previously. The FP-2000 and FP-AO-200 have

their own power supplies. Isolation is maintained because the

FP-AO-200 has its own power supply. The FP-RLY-420 and

FP-DO-400 share a power supply, which provides enough power,

but defeats isolation between the signals of those two modules.

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Ensure that all the wiring is installed according to local codes and

regulations by qualified electrical personnel. Follow these steps to

connect the FP-PS-4 to your FieldPoint system.

1. Use a 16 to 26 AWG stranded wire to connect the FP-PS-4 to

your FieldPoint network module or I/O module. Connect the

positive wire to the V terminal and the negative wire to the

C terminal of the FP-PS-4.

2. Connect the other ends of the wires to the V and C terminals of

the FieldPoint network module or I/O module.

3. Ensure that the plug-in AC input terminal connector is plugged

into the input port on the FP-PS-4.

Note Be careful to install the correct conductor in the

appropriate terminal. The color of the conductor wires

varies depending on North American versus international

standards as described in Figure 7. The wires are drawn

to scale according to the 7 mm (0.275 in.) strip length

requirement.

Line wire (black by North American standards; brown by international

standards)

Neutral wire (white by North American standards; blue by international

standards)

Ground wire (green by North American standards; green/yellow by

international standards)

Plug-in AC input terminal connector

Figure 7. Conductor Wire Color Standards for the Plug-in AC Input

Terminal Connector

4. Connect the black or brown conductor into the line terminal

labeled L.

5. Connect the white or blue conductor into the neutral terminal

labeled N.

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6. Connect the green or green/yellow conductor into the ground

terminal.

Caution When you install the conductors, make sure that

the entire conductor is in the screw terminal and that there

are no loose strands outside of the terminal. Only install

one wire in each terminal.

Specifications

The following specifications are typical for a range of 0 to 60 °C,

unless otherwise noted.

Installation

Terminal wiring ................................16-26 AWG copper

conductor wire with 7 mm

(0.275 in.) strip length as

shown in Figure 8

7 mm

Figure 8. Conductor Wire with the Correct Strip Length (drawing is to scale)

Torque for screw terminals ...............0.5-0.6 Nm (4.4–5.3 in.-lbs)

Input Characteristics

Input voltage .....................................90–264 VAC

Frequency .........................................47–63 Hz, single phase

Maximum current consumption........0.6 A at 120 VAC, 60 Hz

Input protection.................................Nonreplaceable internal

AC fuse

Output Characteristics

Output voltage ..................................24 VDC, nonadjusting

Nominal current (I_N).........................600 mA

Nominal continuous power

0 to 50 °C ...................................15 W

50 to 60 °C .................................10 W

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Overload protection ..........................Protected against short

circuits and output overload

Physical

Indicator............................................Green DC POWER LED

Weight...............................................300 g (10.5 oz)

Environmental

FieldPoint modules are intended for indoor use only.

Operating temperature

15 W operation...........................0 to 50 °C

10 W operation...........................50 to 60 °C

Storage temperature.......................... –40 to +85 °C

Humidity...........................................10 to 90% RH,

noncondensing

Maximum altitude.............................2,000 m

Pollution degree................................2

Safety

Do not operate FieldPoint products in an explosive atmosphere or

where there may be flammable gases or fumes. If you need to

operate FieldPoint products in such an environment, the FieldPoint

products must be in a suitably rated enclosure. The FP-PS-4 meets

the requirements of the following standards for safety and

electrical equipment for measurement, control, and laboratory use:

•

EN 61010-1:1993/A2:1995, IEC 61010-1:1990/A2:1995

UL 3121-1:1998

CAN/CSA C22.2 no. 1010.1:1992/A2:1997

Electromagnetic Compatibility

CE, C-Tick and FCC Part 15 (Class A) Compliant

Electrical emissions ..........................EN 55011 Class A at 10 m

FCC Part 15A above 1 GHz

Electrical immunity ..........................Evaluated to EN 61326:

1997/A1: 1998, Table 1

Note For full EMC compliance, you must operate this

device with shielded cabling. See the Declaration of

Conformity (DoC) for this product for any additional

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regulatory compliance information. To obtain the DoC

for this product, click Declaration of Conformity at

ni.com/hardref.nsf/.

Mechanical Dimensions

Figure 9 shows the mechanical dimensions of the FP-PS-4.

Dimensions are given in millimeters [inches].

107.19 [4.22]

109.5

[4.31]

91.44 [3.60]

Figure 9. Mechanical Dimensions

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Where to Go for Support

For more information about setting up your FieldPoint system,

refer to these National Instruments documents:

•

Your FieldPoint network module user manual

Your other FieldPoint I/O module operating instructions

Your FieldPoint terminal base operating instructions

Go to ni.com/support for the most current manuals, examples,

and troubleshooting information.

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request at ni.com/ask and follow the calling instructions or dial

512 795 8248. For telephone support outside the United States,

contact your local branch office:

Australia 03 9879 5166, Austria 0662 45 79 90 0,

Belgium 02 757 00 20, Brazil 011 284 5011,

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