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INSTALLATION
2.4.2.4 Alarm Output Connection
Four alarm output ports are provided and are connected to the instrument via a single
8-way push fit connector block labelled
Alarm 1 (connection labelled as AL1) and Alarm 2 (connection labelled as AL2) are Form
C (single pole, double throw) relays.
The method of connection is as follows:
a.
Remove the terminal block from the
b.
Strip back the wires of the Alarm 1 cable, exposing approximately
6mm (0.2") - the use of crimps/wire ferrules is recommended.
c.
Insert the
way on the terminal block and tighten the screw.
d.
Insert the
terminal block and tighten the screw.
e.
Insert the common lead into the
block and tighten the screw.
f.
Repeat operations b. to e. for connecting the Alarm 2 cable to the AL2
terminals.
18
AL3
AL1
AL4
AL2
Figure 12
ALARM Connector Block
N/O
connection lead into the
N/C
connection lead into the
AL1
Liquidew I.S. User Manual
ALARMS
as shown below.
ALARMS
socket
Terminal bock
ALARMS
socket.
AL1
NO
terminal
AL1
NC
terminal way on the
COM
terminal way on the terminal
97092 Issue 6, July 2022
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