Connector Pin Assignments
76
Doc.Id. SCM-1200-093
Anybus Communicator for Modbus Plus
Doc.Rev. 3.01
A.4.5 Typical Connection (RS485)
A.4.6 Typical Connection (RS422 & 4-Wire RS485)
Note:
Bias resistors are normally not needed on RS422, but may be required when using 4-wire RS485.
A.4.7 Typical Connection (RS232)
470R
+5V
Signal
Ground
Cable
Shield
RS485 -
RS485 +
RS485 -
RS485 +
RS485 -
RS485 +
RS485 -
RS485 +
RS485 -
RS485 +
RS485 -
Signal
Ground
RS485 +
120R
120R
470R
Node
Node
Node
Node
End Node
Anybus Communicator
Signal
Ground
Signal
Ground
Signal
Ground
Signal
Ground
470R
470R
470R
+5V
Signal
Ground
Cable
Shield
RS422 Rx-
RS422 Rx+
RS422 Tx-
RS422 Tx+
120R
RS422 Tx-
RS422 Tx+
RS422 Rx-
Signal
Ground
RS422 Rx+
120R
470R
Device
Anybus Communicator
Signal
Ground
RS232 Rx
RS232 Tx
RS232 Tx
Signal
Ground
RS232 Rx
Device
Anybus Communicator
Cable
Shield
Summary of Contents for Communicator Modbus plus
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