ABB CP650-x Operating Instructions Manual page 16

Communication Cable
The communication cable must be chosen for the type of device being connected.
Connection to an AC-500 with the TK681 CP600-AC500 RS232 communication cable
Connection to an AC-500(-eCo) with the TK682 CP600-AC500-eCo RS485 communication cable
1 Shield
Operating Instructions
2 SubD9 male
15
CP600/Issue: 12.2011