8. Connection and Initial Operation of the Accessories
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8.5 Connection of extension units for control exits
Advice:
If necessary, the control unit housing has to be completed
by a small system housing with circuit board bearing
(Art.-No. 153 220).
Attention!
Flat cable plugs have always to be plugged-in in such a way,
that the cable is bent in direction edge of the circuit board.
• Connect the extension units and control unit by means of the enclosed flat
cable.
Plug connections in control unit:
X8a Relay for end position (33)
X8b Signal light relay (32)
X8c Traffic control relay (34)
X8d Relay for special functions (35)
