instruction manual
AXB-REL8
Axcess Relay Controller
AXlink Bus Controllers
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Table of Contents
Table of Contents
Product Information .................................................................................................1
Connection and Wiring ............................................................................................3
Preparing captive wires............................................................................................................ 4
Wiring guidelines...................................................................................................................... 4
Connecting the Wiring....................................................................................................... 4
AXlink data and power connections......................................................................................... 5
Wiring AXlink with optional 12 VDC power supply................................................................... 5
Checking the installation .......................................................................................................... 5
Relay connections.................................................................................................................... 5
Testing the installation ............................................................................................................. 6
System Worksheet and Installation Guide ....................................................................... 7
i
AXB-REL8 Axcess Relay Controller
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Table of Contents
ii
AXB-REL8 Axcess Relay Controller
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Product Information
Product Information
The AXB-REL8 Relay Controller provides remote control for up to eight relay functions. Suitable
for stand-alone or rack mount applications, the AXB-REL8 may be used with AXCESS or
AXCENT systems via the four-wire AXlink data bus.
Front and Rear Panels
The front and rear panels of the AXB-REL8 are shown in FIG. 1.
Device DIP
switch
Relay
LEDs (1-8)
AXlink LED
DEVICE
AXlink
1
2
3
4
5
6
7
8
ON
Relay contacts 1-4
(shared commons)
Relay contacts 5-8
(discrete commons)
AXlink
connector
8
7
6
5
4
3
2
1
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
AXlink
FIG. 1 AXB-REL8 front and rear views
Specifications
The following table details the specifications for the AXB-REL8 Axcess Relay Controller.
Specifications
Dimensions (HWD)
Enclosure
1.51" x 5.55" x 5.45" (3.84 cm x 14.10 cm x 13.84 cm)
Non-glare, high-impact black matte plastic
Power Consumption
Baseline draw
• 90 mA @ 12 VDC (min)
With all 8 relays On
Weight
• 170 mA @ 12 VDC (max)
17.50 oz. (496.11 g)
Included Accessories
Optional Accessories
Metal tab strips included for external adjacent relay communing.
AC-RK Accessory Rack Kit
1
AXB-REL8 Axcess Relay Controller
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Product Information
Specifications (Cont.)
Dimensions (HWD)
Enclosure
1.51" x 5.55" x 5.45" (3.84 cm x 14.10 cm x 13.84 cm)
Non-glare, high-impact black matte plastic
Power Consumption
Baseline draw
• 90 mA @ 12 VDC (min)
• 170 mA @ 12 VDC (max)
With all 8 relays On
Front Panel Components
AXlink Status indicator
AXlink LED (green and blinks to indicate AXlink communication activity and
power:
• Full-Off indicates no power is being received or the controller is not
functioning properly.
• One blink per second indicates power is active and AXlink communication is
functioning.
• Full-On indicates there is no AXlink control or activity, but power is On.
Device DIP switch
An eight-position DIP switch is used to set the device number for the
AXB-REL8.
Relay LEDs 1-8 (Red)
Illuminate when associated relay is closed. Relay LED's should match panel
control function.
Rear Panel Components
AXlink connector
Four-pin captive wire receives power and information via the AXlink bus and
AXlink system controller.
Relay contacts
Eight (normally -open) isolated two-pin relay contacts 1 A @ 28 VAC or VDC:
• Relays 1-4 can share a common if use jumper"A" pins with a tab strip
• Relays 5-8 use discrete commons (wire commons individually)
2
AXB-REL8 Axcess Relay Controller
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Connection and Wiring
Connection and Wiring
Setting the DEVICE Dip Switch
The eight-position Device DIP switch is located on the front panel of the AXB-REL8 as shown in
FIG. 1 on page 1. Each device in the AXlink bus must have a unique AXlink device number.
If you later change the device number, remove and reconnect the AXlink connector.
This enters the new device number into memory. The device number takes effect only
on power-up.
2
3
The device can be 1 of the 255 devices in an Axcess, AXCENT, AXCENT , or AXCENT system.
The device number must match the device assignment in the Axcess program. AMX assigns device
numbers into the following three segments:
ꢀ
ꢀ
ꢀ
Cards 1 through 95
Boxes 96 through 127
Panels 128 through 255
Set the device number by setting the DEVICE DIP switch. The device number is the total of all of
the switches in the ON (down) position. The following table shows the switch numbers and their
corresponding values.
Device DIP switch settings
Position
Value
1
1
2
2
3
4
4
8
5
6
7
8
16
32
64
128
97 (1 + 32 + 64 = 97).
DEVICE
ON
1
2
3
4
5
6
7
8
FIG. 2 Example device DIP switch with value of 97
Set the AXB-REL8 device number before connecting AXlink wiring. Do not install relay wiring at
this time.
Wiring Requirements
The AXB-REL8 uses a four-pin AXlink Central Controller connector for power and data. If the
distance between the AXB-REL8 and the Central Controller exceeds power consumption limits,
you must connect an optional 12 VDC power supply. Refer to the following section for more
information.
3
AXB-REL8 Axcess Relay Controller
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Connection and Wiring
Do not connect power to the AXB-REL8 until the wiring is complete. If you are using a
12 VDC power supply, apply power to the AXB-REL8 only after installation is
complete.
Preparing captive wires
To connect the wiring into a captive-wire connector:
1. Strip 1/4 inch off the wire insulation for all four wires.
2. Tin 2/3 of the exposed wire.
3. Insert each wire into the appropriate captive-wire connector up to the insulation.
4. Tighten the captive screws to secure the fit in the connector.
Wiring guidelines
The AXB-REL8 requires 12 VDC power to operate properly. The Central Controller supplies
power via the AXlink cable. The maximum AXlink wiring distance between the Central Controller
and AXB-REL8 is determined by power consumption, supplied voltage, and the wire gauge used
for the cable. The following table lists wire sizes and the maximum lengths allowable between the
AXB-REL8 and the Central Controller, based on the maximum power consumption rating of 170
mA (all eight relays ON).
The maximum wiring lengths for using AXlink power are based on a minimum of 13.5 volts
available at the Central Controller's power supply.
Wiring Guidelines at 170 mA
Wire Size Maximum Wiring Length
18 AWG
20 AWG
22 AWG
24 AWG
690.42 feet (210.43 m)
436.80 feet (133.13 m)
272.33 feet (83.00 m)
171.66 feet (52.32 m)
If the AXB-REL8 is installed farther away from the control system than recommended in the above
table, connect a 12 VDC power supply to the AXlink connector on the AXB-REL8 rear panel (see
Wiring AXlink with Optional 12 VDC Power Supply).
Connecting the Wiring
The following paragraphs describe wiring connections for using the AXlink and relay connectors.
If using power from AXlink, disconnect the wiring from the control system before
wiring the AXB-REL8.
4
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Connection and Wiring
AXlink data and power connections
Connect the control system's AXlink connector to the AXlink connector on the rear panel of the
AXB-REL8 for data and 12 VDC power as shown in FIG. 3.
PWR +
PWR +
AXP/TX
AXP/TX
AXM/RX
GND -
AXM/RX
GND -
AXB-REL8
Central Controller
FIG. 3 AXlink wiring
Wiring AXlink with optional 12 VDC power supply
Connect the control system's AXlink connector to the AXlink connector on the rear panel of the
AXB-REL8 as shown in FIG. 4.
PWR (+)
Local +12 VDC power supply
(coming from the PSN power supply)
GND (-)
PWR +
PWR +
AXP/TX
AXP/TX
AXM/RX
GND -
AXM/RX
GND -
AXB-REL8
FIG. 4 Wiring AXlink with Optional 12 VDC power supply
Central Controller
Use a 12 VDC power supply when the distance between the control system and AXB-REL8
supply current capacity cannot accommodate the 170 ma (max) draw of the AXB-REL8. Make sure
to connect the GND and +12 VDC wire on the AXB-REL8 AXlink connector end. Do not connect
the optional +12 VDC power supply wire to the control system's power supply side of the AXlink
Checking the installation
After set-up is complete:
1. Check continuity of relay wiring.
2. Check cable numbers and wiring, interfaces and sources against supplied documentation.
3. Install tab strips to jumper between shared commons and clip off excess tabs.
4. Insert relay wiring terminals into AXB-REL8.
Relay connections
for the AXB-REL8. The dotted lines are used to indicate commons. Install supplied tab strips to
jumper between shared commons. Clip off excess tabs and bend strip up, away from other wiring.
5
AXB-REL8 Axcess Relay Controller
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Connection and Wiring
A
B
A
B
A
B
A
1
2
RELAYS SHARING A COMMON
Jumper "A" pins with tab strip
3
4
5
B
A
B
A
B
A
B
A
B
6
7
RELAYS WITH DISCRETE COMMONS
Wire commons individually
8
FIG. 5 Relay wiring diagram
Testing the installation
1. Check AXlink status LED - it should blink once per second (see Specifications table for
AXlink status LED).
2. Relay LED lights, but source does not activate:
3. Check wiring continuity.
4. Check jumpers used for shared commons.
5. Check cable and source against supplied documentation.
6. Check operational status of interface or source.
Rack-Mounting the AXB-REL8 (optional)
To rack-mount the AXB-REL8 into the optional AC-RK Accessory Rack Kit:
1. Remove any connected relay and AXlink connectors from the rear panel.
2. Remove the two screws on the front panel of the AXB-REL8.
3. Remove the front panel and the space bracket behind the panel.
4. Place the unit in the appropriate opening in the AC-RK.
5. Place the front panel of the AXB-REL8 on the front of the rack, over the unit.
6. Fasten the front panel to the rack and to the unit with the two screws you removed.
6
AXB-REL8 Axcess Relay Controller
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Connection and Wiring
System Worksheet and Installation Guide
AXB-REL8
Dealer ID#
Dealer
Job
PO#
SO#
Description
Serial#
8
7
6
5
4
3
2
1
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
AXlink
Device #
Function
Color/Pin
AMX Cable/Infc #
Source
Wiring
A
B
A
B
A
B
A
1
2
3
4
5
B
A
B
A
B
A
B
A
B
6
7
8
7
AXB-REL8 Axcess Relay Controller
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AMX reserves the right to alter specifications without notice at any time.
brussels • dallas • los angeles • mexico city • philadelphia • shanghai • singapore • tampa • toronto* • york
3000 research drive, richardson, TX 75082 USA • 469.624.8000 • 800.222.0193 • fax 469.624.7153 • technical support 800.932.6993
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