ABB JPC-01 Manual Del Usuario página 7

RS-485 cabling is done in the bottom direction (parallel with the I/O
cabling). For details, see appropriate ACSM1 hardware manual.
The connection terminals are DATA-, DATA+, BGND, SH.
PC
RS-232
RS-485
JPC-01 #1
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JPC-01 #2
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JPC-01 User's manual 7
max. 31 nodes
JPC-01 #n
...
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