Jesco GW 601, Operating Instructions Manual

Page: 13 / 28

Assembly and installation | Operating Manual GW 601 | 13
Terminal Connection Note
Alarm 1 Relay 1 Relay outputs
Alarm 2 Relay 2
Fault Relay 3 for fault
Horn Relay 4 for signal generator
L / N / PE 230 V AC Voltage supply
Fuse Internal fuse
SHLD Shielding
a
Connection to transmitter
GND Ground
I in Input 4 to 20 mA
+24V Output 24 V DC
I out - - 4 … 20 mA output
I out + +
485A A (-) RS 485 interface
485B B (+)
Fig. 6.1: GW 601 gas warning system wiring diagram,
a
Connection to transmitter
U+
GND
SENS
ZERO
mA
LED (GN)
LED (RD)
GWZ 601
Terminal Function Connection Note
mA Output 4 to 20 mA Connection to the gas warning device GW 601
GND Ground
U+ Input 24 V DC
SENS Calibration potentiometer, see chapter 12.1
ZERO
LED (GN) Fault analysis LED, see chapter 13
LED (RD)
Fig. 6.2: Transmitter wiring diagram