54 | Danfoss Drives · DKDD.PB.551.A1.02
Option 2: Using the MCD Remote Operator as a Modbus RTU
Gateway device (Cat. No: 175G9004)
Notes:
• A single Remote operator and Serial Interface Module
is required for each MCD 200.
• Parameters 1 to 5 of the Remote Operator are used to set it up
as a Modbus slave device.
• Up to 31 Remote Operators can be used as Modbus slave devices
on a single Modbus network.
• The Serial Interface Module is powered via the MCD200. The
Remote Operator requires an external 18-30 VAC/DC auxiliary
supply.
• For more information about operating the MCD Remote Operator
as a Modbus RTU gateway, refer to the Installation Instructions
(MG.17.Fx.02), Appendix A, located at www.danfoss.com/drives.
MCD Remote Operator
RS485
Starter
RS485
Network
B3
B2
B1
-
+
B8
B7
B6
-
+
GND GND
68
61
69
-
+
GND
MCD200
MCD
Serial
Interface
Module
Cat. No: 175G9004
RS485
connection
onto a
Modbus
RTU
network
MCD 200 Modbus Option