Extron Electronics IPA T RLY4 - Manual (Page 4)

IPA T RLY4 • Connections 3
Connections
N Figure 3 is a wiring diagram of a typical application: an Extron
MLC 104 IP Plus controlling an IPA T RLY4 relay function.
Refer to the MLC 104 Plus Series Manual for information on
configuring the MLC to control the IPA T RLY4.
1
2
3
GROUND
+12V OUT
CM
GROUND
IR OUT
GROUND
SCP
GROUND
Tx
Rx DISPL
AY
RS-232/I
R
A B C D
E
COMM LINK
LAN
PRESS
TA
B
WITH
TWEEKER
TO
REM
O
VE
A
B
MLS
RS-232
PO
WER
12V
DIGIT
AL
I/O
IR IN
Tx
GROUND
Rx
+12V IN
IP
A
T RL
Y4
1 2 3 4
C
INPUTS
MLC 104 IP Plus
Right Side
Observe proper polarity when making connections to the
MLC 104 IP Plus controller’s Power port.
Miswiring can damage the controller’s Digital I/O port.
IPA T RLY4
Front Panel
Relay 1
Relay 2
Relay 3
+12 VDC
CAUTION
Figure 3 — Wiring diagram for connection to an
MLC 104 IP Plus
Output connections
b
Outputs — For each relay:
For the normally open contacts , connect a device between the NO
and C terminals of the 3-pole captive screw connectors.
For the normally closed contacts , connect a device between the
NC and C terminals of the 3-pole captive screw connectors.