AMX Dual DC Dimmer Module RDM-2DC User Manual
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Installation Guide

RDM-2DCDual DC Dimmer Module 1920W,0-10VDC (x2)

The RDM-2DCDual DC Module(FG606-61)is a 1920 W module used for the dimming of fluorescent ballast loads. It uses a 0 to 10 VDC current sinking for use withfour-wireballasts. It is designed for use with the RDA series of enclosures, in an AMX Lighting™ modular digital dimming system. The module’s 120 and 277 VAC ratings are CE, UL, andC-ULapproved.

Mounting points

Relay

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- out (LV)

 

Low-voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Relay

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+ out (LV)

High

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Load out

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Line in

voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Line in

 

 

 

 

 

 

 

 

 

 

 

 

 

voltage

 

 

 

 

Load

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

out

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low

 

- out (LV)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

voltage

+ out (LV)

 

 

 

 

 

 

 

Fuses

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low-voltagecontrol wiring:4-pinconnector to AMX Lighting master controller

FIG. 1 RDM-2DC

RDM-2DCUL andC-ULRatings

120 VAC, 50/60 Hz, 1920 W

277 VAC, 50/60 Hz, 1920 W

Control Out: 50 mA, 12 VDC sinking

Suggested Dimmed Loads

Four-wiredimmable ballasts, like Advance Transformer Mark VII™ or the Energy Savings SuperDim™ series

Specifications

Dimensions (HW): 10" x 2.75" (25.4 cm x 6.99 cm)

Non-phasedependant

Use wires rated at 75°C (167°F)

Torque terminals to 20 in-lbs.(2.3 N/M)

Max. wire size: 10 AWG (4 mm²)

Wire stripping length: 0.28" (7 mm)

Weight: 2.6 lbs. (1.180 kg)

BTU/hr: 150

Control current: 125 mA @ 12 VDC per control port

Caution: Pre-InstallationNotes

All Class 1 wiring must be connected to proper terminals.

All control wiring must be connected to proper terminals.

Disconnect power while installing or connecting the unit.

Keep top and bottom air vents clear at all times.

Use low-voltagewires with a 300 volt rating or greater.

Use field installed copper conductors.

All electrical ratings are for continuous duty.

For indoor use only.

Test loads for shorts before connecting.

This module may require extra power from the AXlink connection or an external power supply connected to the control card.

Connecting the RDM-2DCto the AMX Lighting Master

Pin 4 (GND)

Pin 3 (RLY)

Pin 2 (DIM)

Pin 1 (+12 V)

RDM-2DC4-pinmodule connector

GND

3 (-)

2 (DIM)

1 (+)

4-pinplug from RDM series module

Note: The 4-pinplugs from the module connector to the4-pinconnector on the master (black plug cover facing up).

FIG. 2 Connecting theRDM-2DCand AMX Lighting Master

Lighting Application Drawings

 

 

 

 

 

 

Neutral

 

 

Neutral

Florescent

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ballast

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

Line in (HOT)

 

 

 

Ballast

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Load

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The fuses protect the dimming

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

circuit from a low impedance load.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• The fuse will blow if it were

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

incorrectly wired

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Catastrophic ballast failure

Circuit breaker

 

 

 

Reversing switched and

panel

 

 

 

 

dimmed circuits

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reversing dimmed and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

line circuits.

 

 

 

The dimmed output must be connected to a high impedance load.

FIG. 3 RDM-2DCapplication wiring

Warning: Failure to ground the ballast may cause ballast failure

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

93-606-61

REV: A

 

7/08

©2008 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.

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