237
• Battery
then connect
the battery
by positioning
it on the rails
and sliding
it downwards.
• Transformer
Connect a 12/24 V AC or
12/30 V DC power pack to
terminal blocks 1 and 2 of
the controller (transformer
A7901 available in the
catalogue). There are no
polarities to be respected
on these terminals.
3.5
IMPORTANT: 908-21X
battery must be installed
for current-based
applications. Connect the
battery supplied to the
connector.
IMPORTANT: the transformer used must have
the 12 V/10 VA min. double insulation symbol
(230 V power supply without an earth connection).
Trans-
former
12 V output
230 V input
Cable length
0 to 10 m
➞
0.32 mm
2
and cross-section
10 to 25 m
➞
0.75 mm
2
Connect the 908-21X battery supplied to its connector.
It will be used in the event of a power cut.
1.
Three types of power supply can be used.
5.4 Controller power supply
GB
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