Fitting the wall terminal
Page 32 of 80
OMEGA FLEX wall terminals WT-I/WT-II
The length of the cable between the control terminal
and the reader terminal must not exceed 20 metres.
Only the supplied cable may be used. Do not extend
the cable!
Only use J-Y(St)-Y 2
2
0.6 mm² cables for the
connection between the controller terminal and
the reader terminal.
Ensure that the wiring for the WT-II wall terminal
is inverted (crossover, like shown):
Controller terminal RxD
TxD Reader terminal
Controller terminal TxD
RxD Reader terminal
NOTICE
The wall terminal may be damaged by incorrect
power supply.
Do not connect the reader terminal with any power
supply other than the controller terminal.
The reader terminal may only be operated at 3 V.
That voltage is supplied by the controller terminal
(VCC).
1
Controller terminal (inside terminal)
2
Reader terminal (outside terminal)
3
Screw terminals - reader module to control units
4
Screw terminal for power supply
5
Screw terminals - control unit to reader module
6
Screw terminal for potential free contact (not used)
7
Screw terminal for relays
