Experimental Physics and Industrial Control System
Can the MODBUS driver be used with TCP on that family of PLCs?
Mark
________________________________________
From: [email protected] [[email protected]] on behalf of Konrad Gajewski [[email protected]]
Sent: Tuesday, February 21, 2012 6:13 AM
To: [email protected]
Subject: Connection to Siemens S7 PLC
Hello everybody,
I'm new to EPICS and I am planning to control Siemens Simatic S7-200
PLC. I have looked in EPIC documentation and found at least two ways to
connect the PLC:
1. via MODBUS (Asyn) driver over the serial connection (using Siemens
MODBUS RTU library)
2. using S7plc driver via TCP/IP and a CP 243-1 Ethernet module.
The programming of the PLC is done using Step-7 Micro/WIN V4.0.
Unfortunately I can't open the example STEP 7 PLC project (for S7plc
driver) in Step-7 Micro/WIN.
Do you have any experience with such a configuration or maybe with
S7-1200? Are there any better options?
Thanks,
Konrad
--
Konrad Gajewski
Senior Research Engineer
Uppsala University Tel: +46-18-4713888
The Svedberg Laboratory mailto:[email protected]
Box 533, S-751 21 Uppsala, Sweden
http://www.tsl.uu.se/
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