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Modbus 485 Altivar atv312

Created by: labjac at: 1/31/2014 10:35 PM (2 Replies)

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1/31/2014 10:35 PM	Rate (0)
labjac Posts: 1 Rating: (0)	Hallo Guys We need to communicate to a couple of ATV 312 schneider drives via Modbus on 485, can somebody please recommend a RS485 card to use on a ET200S Remote couplers, and does anybody maybe got the function block done for the comms yet, or should we do this from scratch ? PLC is 315 CPU and communicating to 5 remote Profinet ET200S stations. Best Regards, labjac
labjac Posts: 1 Rating: (0)
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2/1/2014 4:29 AM

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dchartier

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Joined: 9/27/2006

Last visit: 3/26/2025

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Hello labjac;

The serial communication card of the ET 200S family that allows Modbus RTU over RS-485 is the 1SI card:

6ES7138-4DF11-0AB0

ET200S, EL-MOD.,1SI,RS232/422/485 MODBUS

Following the link will take you to the Product Support page for this module, where you can download the manuals explaining the function blocks required for Modbus comms.

Hope this helps,

Daniel Chartier

4/13/2014 9:33 PM	Rate (0)
Nikzitronik Posts: 150 Rating: (18)	/tf/WW/en/Posts/99153 This is an example I wrote for the S7-1200. You cant directly use it for the 300 but you can see the principle and the address mapping.
Nikzitronik Posts: 150 Rating: (18)
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Modbus 485 Altivar atv312

Created by: labjac at: 1/31/2014 10:35 PM (2 Replies)

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labjac

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