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Milford Instruments 7-574 Quick Start Manual

Cased dmx 9 channel led driver board.
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MILFORD INSTRUMENTS Limited
MILFORD INSTR
MILFORD INSTR
MILFORD INSTR
Cased DMX 9 Channel LED Driver Board.

Overview:

The DMX- 9 Channel LED driver board allows 9 PWM LED outputs to be controlled directly
from a DMX512 network.
The board provides 9 output channels of PWM running at 666 Hz.
The base address may be set between 1 and 504.

LED PWM:

The DMX value on the base address channel controls the PWM drive on output 1 a value of
0 will switch the load fully OFF and a value of 255 will switch the load fully ON, 128 will
generate a 50% duty PWM signal running at 1kHz. The resolution of the PWM stream is 8-
bit.
The value on the base address controls output 1, Base address + 1 controls output 2 etc.
The PWM signal is suspended when a valid DMX signal is not being received.
The Cased DMX 9 Channel PWM driver board is available in the following versions.
9-15 Vdc version: Part No 7-574 / 24 Vdc version:
UMENTS Limited
UMENTS Limited
UMENTS Limited
Part # 7-574.
Rev 1.1 23/08/2012
Part No 7-575

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Summary of Contents for Milford Instruments 7-574

  • Page 1 The PWM signal is suspended when a valid DMX signal is not being received. The Cased DMX 9 Channel PWM driver board is available in the following versions. 9-15 Vdc version: Part No 7-574 / 24 Vdc version: Part No 7-575...
  • Page 2 Connections: DMX: Dual 5 Pin XLR connections with termination resistor XLR Pin1 = Cable Screen, 2 = XLR Pin2 = Data -, 3 = XLR Pin3 = Data + . Power: Polarised Screw Terminal connections 0V & V+ (9-15Vdc) Standard Board, power requirements are 9-15V DC at 0.5 Amps + LED’s load current: Maximum 9.5 amps if using LED connections wired as A (18.5 amps if wired as B) Outputs:...
  • Page 3 Connection Diagram. 1-574E Cased Version DMX In/Out Current Limiting resistors Aux 0V connections Ch 1 PWM Monitor At up to 9 amps total LED current connect Leds as “A” Above 9 amps total LED current connect Leds as “B” DMX Connections XLR Pins Read DMX P1 Screen Continuation...

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