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santosh

Communication Between Unitronics PLC V560 and rectifier

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Hello,

I am trying to communicate V560 with Rectifier through modbus RS485. 

PLC pin Details:-

PLC_details.JPG.1331bd4f8491f2244a28635356b7b26e.JPG

Rectifier Pin details:- pcr01 protocol communication Ver 3_23 EN.pdf

protocol Support:-Mod bus ASCII

Rectifier_pin_details.JPG.9462a847db98df3432cde01bc7d5db50.JPG

 

COMMUNICATION_ARCH.JPG.519988d60c70e63435f4fab512205f91.JPG

                                                                                                  fig 1.0

Please Reply Following Points:

1. Is it possible to communicate Unitronics PLC with Rectifier.

2. If Possible  how to connect between PLC and Rectifier.(PLC RS485 2 wire and Rectifier rs 485 4 wire ).

3. If I short TX+ to RX+ and TX- , RX- and connect A+ and A- terminal to PLC.

    is it okay this way?

4. Shall i need to use converter half duplex to full duplex .

5. Rectifier is Supports only MODBUS ASCII.

    Is it possible to connect as shown in  fig 1.0

Please reply with all possible solution.

 

pcr01 protocol communication Ver 3_23 EN.pdf

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Santosh,

It is possible to communicate as per shown in below set up.

1391816798_RS485.png.54b3981db65cec0dd029f87d8b202e1e.png

You can connect multiple devices as per above set up with terminating last device with 120 ohm resister.

do it in this way and let me know.

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