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The RDM-2DC Dual 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 with four-wire ballasts. 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, and C-UL approved.
Mounting
points
Relay
Relay
High
Line in
voltage
Load
out
- out (LV)
Low
voltage
+ out (LV)
FIG. 1
RDM-2DC
RDM-2DC UL and C-UL Ratings
•
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-wire dimmable 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-phase dependant
•
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
For full warranty information, refer to the AMX Instruction Manual(s) associated with your Product(s).
©2008 AMX. All rights reserved. AMX and the AMX logo are registered trademarks of AMX.
3000 RESEARCH DRIVE, RICHARDSON, TX 75082 • 800.222.0193 • fax 469.624.7153 • technical support 800.932.6993 • www.amx.com
RDM-2DC Dual DC Dimmer Module 1920W, 0-10 VDC (x2)
- out (LV)
Low-voltage
+ out (LV)
High
Load out
voltage
Line in
Fuses
Low-voltage control
wiring: 4-pin
connector to AMX
Lighting master
controller
7/08
AMX reserves the right to alter specifications without notice at any time.
Caution: Pre-Installation Notes
•
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-voltage wires 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-2DC to the AMX Lighting Master
Pin 4 (GND)
Pin 3 (RLY)
Pin 2 (DIM)
Pin 1 (+12 V)
RDM-2DC 4-pin module connector
GND
3 (-)
2 (DIM)
1 (+)
4-pin plug from RDM series module
Note: The 4-pin plugs from the module connector to the 4-pin
connector on the master (black plug cover facing up).
FIG. 2
Connecting the RDM-2DC and AMX Lighting Master
Lighting Application Drawings
Neutral
Line in (HOT)
Circuit breaker
panel
FIG. 3
RDM-2DC application wiring
Warning: Failure to ground the ballast may cause ballast failure
Installation Guide
Neutral
Florescent
Ballast
-
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
•
Reversing switched and
dimmed circuits
•
Reversing dimmed and
line circuits.
The dimmed output must be
connected to a high impedance
load.
93-606-61
REV: A
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