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For full warranty information, refer to the AMX Instruction Manual(s) associated with your Product(s).

8/07

©2007 AMX. All rights reserved. AMX and the AMX logo are registered trademarks of AMX.

AMX reserves the right to alter specifications without notice at any time. 

3000 RESEARCH DRIVE, RICHARDSON, TX 75082 • 800.222.0193 • fax 469.624.7153 • technical support 800.932.6993 • www.amx.com

 93-0706-01

 

REV: C 

Low-Voltage Connections

The low-voltage area in the AMX Lighting controllers contain connections and DIP 
switches for AXLink, dry closures, and RDM module connectors. On the controller 
cards, low-voltage power for the board is supplied either by line power, optional 
auxiliary power supply (RDA-PSM), or the +12 VDC pin on the AXLink connector. 

WARNING

: Disconnect the main power to the AMX Lighting controller 

at the 

breaker box

 if rewiring the low voltage connections.

Dry Closure Connections

Dry contact closures from other equipment can be connected to the Radia Eclipse 
dimmer module to provide direct manual control of lighting loads (FIG. 5). 

 

Each dry contact closure has two pins: ground and contact. To activate each dry 
closure, connect the ground and contact.

Setting AXLink Address Numbers

Set the AXLink address number (1-255) for the RE-DM4. This number must match 
the device number in your Axcess program.

Note:

 By turning all switches off, all circuits will go to 100 percent so that the installer 

can test the high-voltage connections without having connections to a control 
system.

Connecting AXLink

Connect the 4-pin captive-wire AXLink from the RE-DM4 to the Central Controller for 
AXLink control of the dimming system. 

 

RE-DM4 4-pin module connector (male)  

Lighting Application Drawings 

   

FIG. 4  

Low-voltage connections and DIP switches

FIG. 5  

Dry Closure Connections

AXLink address DIP switch

Module connector/LED (CH6)

Dry contact closures

Auxiliary power IN

Module connector/LED (CH5)

AXlink connector

RE-DM4

FAILSAFE

GND

EMERGENCY

GND

Failsafe switch

Alarm system

FIG. 6  

Connecting AXlink

FIG. 7  

RE-DM4 module connector

Central 

RE-DM4

Controller

PWR
AXP
AXM
GND

PWR

AXP

AXM

GND

Pin 4 (GND)
Pin 3 (RLY)
Pin 2 (DIM)

Pin 1 (+12 V)

FIG. 8  

Example A

FIG. 9  

Example B

Example A

Single input

Single-phase, four load

120 or 240 VAC 1Ø

Example B

Dual Input

Single-phase, four load

 

120, 120/240, or 240 VAC 1Ø

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