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Modbus Error 8188

8/6/2015 11:57 AM	Rate (0)
AutoGen_429215 Posts: 2 Rating: (0)	Hi All, I've plugged my CPU 1215C to a CM 1241 - RS232, I plugged a DKG-309 and tried Modbus, loading went fine, but when trying to read I get the status error 8188 which I couldn't find anywhere.. What's do you think guys?
AutoGen_429215 Posts: 2 Rating: (0)
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8/6/2015 12:57 PM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 3/17/2025 Posts: 4200 Rating: (624)	Hi, do you have the system-book? There are descriptions of error code 8188 with Modbus. https://support.industry.siemens.com/cs/ww/en/view/36932465 Greetings, Towome
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8/10/2015 2:55 PM	Rate (0)
Kaulquappe Posts: 3093 Rating: (324)	Hello, error 8188 means you used a wrong mode for a broadcast request. Broadcasts must be write requests. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (324)
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