28
testo 6651 Ethernet
-
1.3 Commissioning
For the connection, a double-insulated mains cable
(sheathed cable) with a cross-section of at least 1.5 sq.
mm must be used.
Cable
connection
(2)
may not be routed in a loop within
the tray
(1)
.
In order to protect from electrical shock if the wire severs
or falls out, 3 wires must always be bound together with a
cable tie
(3)
.
The insulation of the cable must be fed at least 5 mm
(4)
into the tray.
Use of relay as NC contact (NC = normally closed)
The busy light (alarm/status light) is permanently on until the
relay opens or the circuit is interrupted. This circuit can
therefore be used to monitor the functionality of the alarm
circuit, as a cable break, for instance, is indicated by the busy
light going off.
250 V AC/DC, 3 A
Alarm/status light
(example of installation)
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