18
ERn Wall-mount Installation Manual
1:
Pull auxiliary control power wiring (typically a red / black wire pair) into the ERn enclosure
through the conduit opening previously prepared.
2:
Strip 5 mm (3/16 in) of insulation from the ends of each wire pair.
3:
Remove the auxiliary power connector from the right I/O board.
4:
Loosen the terminal screws for as many auxiliary wire pairs as you are terminating.
5:
Insert the negative wire (typically black) into a “-” terminal on the connector and tighten the
screw firmly to secure the wire in place.
6:
Insert the positive wire (typically red) into a “+” terminal on the connector and tighten the screw
firmly to secure the wire in place.
7:
Repeat steps 5 and 6 for all auxiliary power wires in the rack.
8:
Replace the connector on the right I/O board.
DMX Termination
DMX requires 120
termination at the last DMX device in the control run. An ERn enclosure with a
P-ACP installed can utilize up to two DMX inputs (two separate DMX runs). The right I/O board
provides termination switches for each of these runs.
Connect ERn Left I/O Data Terminations
Outputs
Inputs
No3
Com3
No2
Com2
No1
Com1
No0
Com0
In3
Gnd
In2
Gnd
In1
Gnd
In0
Gnd
RS-232
Ethernet
Ethernet
RS-232
Contact
Outputs
Contact
Inputs
The left IO board supports the Paradigm Architectural Control Processor data terminations including:
• RS-232 on a male 9-pin (D-style) connector
• Ethernet on a RJ45 female connector
• Contact closure input terminations on an eight-position pluggable connector.
- Up to four inputs and four common wires.
• Contact closure output terminations on a eight-position pluggable connector.
- Up to four normally open outputs and four common wires.
B+ B- Com A+ A- Com
B+ B- Com
Ride Thru
/Batt
CDI port
LON
Full
Half
DMXA
DMXB
SRC Off End
Notice the two termination switches labeled DMXA and DMXB. Each
switch has three termination positions:
• Source - reserved for RDM termination (future development).
• Off - no termination, DMX will pass through this device on to the
next DMX device in the data run.
• End - termination is on. Used if the ERn is the last DMX device that
is physically connected in the daisy chained DMX data run.
When used as a DMX output port, the termination switch should be set
to “OFF”.
