USA Inc. Carbon Monoxide Alarm User Manual

IRIS MODEL P522 APPLICATION MANUAL
Page 4
IRIS MODEL P522
The P520 and P522 Signal Processors are used with
the IRIS Model 500 Viewing Heads. The P522
Signal Processor is a relay panel mount ver-
sion of the P520 plug-in module, and replaces the
M502 motherboard and its two plug-in daughter
boards, the A513 and the D504.
WIRING AND INSTALLATION
Before wiring or installing the P522, we recommend
that you read the companion colour brochure describ-
ing the functions and attributes of this series of sig-
nal processors.
F1
.75A
GND +26V BAT
SC C SC OFF SC ON
SC
RELAY
RF C RF OFF RF ON RF C RF OFF RF ON
RF
RELAY
F2
.25A
+26V
SIG
GND SIG
0-20mA or
4-20mA
VH SEL
RELAY
CHAN
SELECT
ANALOG
CURRENT
DRIVE
RS-422
SHUTTER
DRIVE
+TX
-TX
+RX
-RX
RMT
METER
CHAN
SEL
V.H .
SEL
V.H .A. V.H .B.
GND
++--+
SIG GND
SIG
SC
+V
GND SIG GND
SIG
SC
+V
GND
FIGURE 1 - P522 REAR MOTHERBOARD