AC25/30QTP-1 and -3 Operations Manual.... 41
6.5 REMOTE
COMMUNICATIONS,
cont.
6.5.2 RS-485/Modbus
If included in the converter, a Modbus Option converter/optical-isolator will be located adjacent
to the RS-232C serial port (see Figure 4 on page 21).
The Modbus Option included converter/optical-isolator connections are depicted in Figure 8
below.
Figure 10: RS-485 CONNECTIONS