Wiring; Overall Wiring Arrangement; Figure 8 Overall Wiring Arrangement - Michell Instruments Promet I.S. User Manual

Promet I.S. User's Manual
2.4

Wiring

2.4.1

Overall Wiring Arrangement

EASIDEW PRO I.S.
DEW-POINT TX
4
3
2
1
PRESSURE TX
(optional)
-
+
HAZARDOUS AREA
Michell Instruments
These tasks are to be undertaken only by suitably qualifi ed
personnel. All the connections to the rear panel are electrical
connections. Exercise due caution, particularly when connecting
to external alarm circuits which could be at high potential.
POWER SUPPLY
POWER SUPPLY
Figure 8
mA
SCN
+V
mA
SCN
+V
NO
NC
ALARM 2
COM
ALARM 4
NO
NO
ALARM 1
NC
COM
ALARM 3
NO
mA
OUTPUT 1
0V
OUTPUT 2
mA
GND
5
A
RS 485 3
B
2
L
90-264 VAC
N
E
(BY OTHERS)
+V
10-72 VDC
24V
0V
0V
(BY OTHERS)
Gnd
SAFE AREA
Overall Wiring Arrangement
INSTALLATION
CONTROL UNIT
SENSOR
INPUTS
ALARMS
OUTPUT
COMMS
POWER
SOCKET
or
POWER
CONNECTOR
15