User Manual Control Units
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Page 25 of 44
3.8.5. RS-485 One-directional Input Connection
A device controlled via RS-485 can be connected as described below.
S 5 - S 9 RS-485 Port Description
Pin 3 B- Data - from Assistant or Assistant-S
Pin 4 A- Data + from Assistant or Assistant-S
In B-
In A+
1 432
Assistant or Assistant-S
S 5 to S 9
Controlled Device
RS-485
B-
A+
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