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POWER IN

Blue

. Steady glow indicates power supply OK; 

off indicates no power.

PROCESSOR

Green

. Steady glow indicates processor is OK; 

off  when  POWER  IN  is  lit  indicates  processor 

failure.

DMX INPUT

Amber

. Steady glow indicates port latched to ac

-

tive DMX source; off indicates no signal present.

RELAY

Red

. Steady glow indicates relay is energized. 

Flickers for momentary action.

FUNCTION

Amber

.  Indicates  the  function  associated  with 

the numeric display.

Model 1003 12-Relay  

Contact Closure

Manual

1003-300-REV1

04/04/19

TM

The Pathway eDIN Contact Closure provides twelve 

DMX-controlled, form-C relay closures for low voltage 

power or signal switching.

RDM discoverable and configurable, with a DIN-rail mount 

that makes installation fast and easy.

The 1003 features terminal strips that can be removed from the 

card to facilitate easy wiring installation or replacement. Make the 

following connections, 

WITH THE POWER TURNED OFF.

POWER

The module will run on a range from 9 to 30 VDC at a maximum 

of 6 Watts. Observe the correct polarity when connecting the V+ 

and V-. A second set of terminals are provided on the connector to 

daisy-chain power to other eDIN modules. The EARTH GROUND 

terminal must be connected to the enclosure’s chassis or electrical 

ground terminal to ensure EMC compliance.

DMX512

DMX  connections  consist  of  a  shield  and  data  pair. 

 

Connect  the  DATA+  and  DATA–  wires  to  D1+  and  D1- 

 

respectively  for  each  of  DMX  IN  and  DMX  THRU. 

 

Observe  the  same  polarity  convention  throughout  the  system. 

 

Connect the cable shield to the SHLD COM terminal.
DMX THRU may be daisy-chained to the DMX IN of other eDIN  

modules.

DMX PRESENT RELAY CLOSURE

Starting with firmware 1.5.5, the J13 DMX present relay closure is 

supported. Wire RCOM to RNO or RNC for normally-open or nor

-

mally-closed, as desired.

CONTACT OUTPUTS

The 1003 can be thought of as twelve DMX controllable switch clo

-

sures. As switches, they need two connections each, as the switches 

OVERVIEW

CONNECTIONS

STATUS INDICATORS

provide no voltage or current on their own. One connection is to the 

supply and one to the load. Each relay has three sets of contacts; 

normally-open (NO), normally-closed (NC), and common (C). 
Generally, the normally-open contacts are used; providing an open 

switch that closes when the relay is energized. Normally-closed con

-

tacts operate in the opposite manner, providing a closed switch that 

opens when the relay is energized.
All common terminals are independent of one another.

RCOM

RNC

NO1

V+

V-

V+

GROUND EARTH

V-

NC

NC

D1+

COM SHLD

D1-

NC

NC

D1+

COM SHLD

D1-

C1

NC1

NO2

C2

NC2

NO3

C3

NC3

NO4

C4

NC4

NO5

C5

NC5

NO6

C6

NC6

NO7

C7

NC7

NO8

C8

NC8

NO9

C9

NC9

NO10

C10

NC10

NO11

C11

NC11

NO12

C12

NC12

ON

OFF

POWER IN
PROCESSOR
DMX INPUT

ISO 5V

POWER IN

9-30VDC

6 Watts Max.

ENTER

RELAY3

RELAY2

RELAY1

RELAY4

RELAY5

RELAY6

RELAY7

RELAY8

RELAY9

RELAY10

RELAY11

RELAY12

RNO

eDIN 12 CHANNEL

CONTACT CLOSURE

OUTPUT

Pathway Connectivity

ADDRESS

MODE

UTIL

TEST

NORMALLY OPEN OR CLOSED 

RELAY CONTACT OUTPUTS

2A @ 30VDC MAX

(12 TOTAL)

END OF LINE

TERMINATION SWITCH

DMX IN FROM

CONTROL SYSTEM

DMX THRU TO

OTHER eDIN MODULES

DMX SIGNAL

PRESENT RELAY

STATUS LEDs

MENU

FUNCTION LEDs

POWER IN:

9-30VDC, 5W SUPPLY REQUIRED.

USE #1001-100-24-DIN

POWER SUPPLY OR EQUAL.

CONNECT EARTH GROUND TO PROTECT

DMX INPUT FROM RF INTERFERENCE 

CARRIED ON CABLE SHIELD.

LED NUMERIC

DISPLAY

PROGRAM

PUSHBUTTONS

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