CPS SCH100KTL-DO-600 - Page 51

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Table 3-15 Communication Connection Interfaces
Item
Picture
Configuration description
 RS485
(Debug Only)
Debug Only
② 12V port
③ RS485 port
(2+6pin connector)
New Comm Board
6 -----RS485_GND (Common)
5 -----RS485_B
4 -----RS485_A
3 -----RS485_GND (Common)
2 -----RS485_B
1 -----RS485_A
2 ----- +12V
1 -----12V_GND
② ③ RS485 port
(8pin connector)
Old Comm Board
8 -----RS485_GND (Common)
7 -----RS485_B
6 -----RS485_A
5 -----RS485_GND (Common)
4 -----RS485_B
3 -----RS485_A
2 ----- 12V_GND
1 ----- +12V
④ RJ45
Debug Only
⑤ Selector switch for
setting the 120Ω
terminal resistor of the
RS485 communication
S201
1----- Disable the termination resistor
2----- Enable the termination
resistance