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To perform RS485 serial communications with the T-60, the RS422
transmitter and receiver lines must be tied together. Since the RS422
transmitters are disabled after power up, it is safe to assume that no line
driver conflicts will occur. Again, refer to the RS422 Statement in the
EMERSON EMC BASIC PROGRAMMING GUIDE. The electrical
connection between the T-60 and the device under control are shown in
Figure 8.
Figure 7
RS422 Connections
Figure 8
RS485 Connector
T-60 Operator's Manual
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