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Appendix 2 Communication Protocol 135
EV1000 Series General Purpose Variable Speed Drive User Manual
Appendix 2 Communication Protocol
1. Networking Mode
RS232
Host is PC
RS485
Host is PLC
TD1000
TD2000
TD2100
EV1000
RS232
Host is PC
EV1000
RS232-RS485
adapter
single master and multi-slave
single master and single slave
or
RS485
RS232-RS485
adapter
Fig. 1 Networking Diagram
2. Communication Mode
RS485: asynchronous, semi-duplex
Default: 8-N-1, 9600bps. See Group FF for parameter settings.
1) The drive is a slave device. Communication is in ‘point to point’ mode. The slave will not response to
the command sent by the master drive in broadcast address.
2) Users can set the drive’s current address, baud rate and data format by using slave’ keypads or using
the serial communication mode.
3) The slave can report the current fault information when it responses to the polling done by the master
drive.
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