Liquidew I.S. User Manual
Michell Instruments
15
INSTALLATION
2.4
Wiring
These tasks are to be undertaken only by suitably qualified
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.
2.4.1 Overall Wiring Arrangement
EASIDEW PRO I.S.
DEW-POINT TX
4
3
2
1
-
+
TEMPERATURE TX
HAZARDOUS AREA
SAFE AREA
CONTROL UNIT
SENSOR
INPUTS
ALARMS
OUTPUT
COMMS
POWER
SOCKET
or
POWER
CONNECTOR
mA
+V
+V
NO
NO
NO
NO
mA
mA
mA
NC
NC
COM
COM
0V
5
3
2
SCN
SCN
L
N
E
ALARM 2
ALARM 4
ALARM 1
ALARM 3
OUTPUT 1
OUTPUT 2
RS 485
90-264 VAC
POWER SUPPLY
(BY OTHERS)
GND
A
B
10-72 VDC
POWER SUPPLY
(BY OTHERS)
24V
0V
Gnd
+V
0V
Figure 8
Overall Wiring Arrangement
Содержание Michell Instruments Liquidew I.S.
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