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Unknown Modbus Error., Help needed asap

1/30/2012 7:08 AM	Rate (0)
Arun_EEE Posts: 93 Rating: (0)	Dear mates. I am trying to communicate 7SJ80 relay in modbus rtu protocol.. I wanna read the voltage, current and other data from this relay via modbus protocol. I used function code 4 for reading input registers.. I get a "0F 05" error when I tries communication.. In the simatic modbus manual i don't find this error listed.. Please help me.. I would really appreciate Ur sooner help as I am in my site..
Arun_EEE Posts: 93 Rating: (0)
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1/31/2012 10:45 AM	Rate (0)
Arun_EEE Posts: 93 Rating: (0)	Kindly reply and help me out guys
Arun_EEE Posts: 93 Rating: (0)
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1/31/2012 12:01 PM	Rate (0)
Mike J Platinum Expert Joined: 10/9/2007 Last visit: 1/12/2026 Posts: 1295 Rating: (116)	Hi Did you parameterize Siprotec? Mike
	Energy Automation products: Sicam, Siprotec, Digsi
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1/31/2012 5:15 PM	Rate (0)
Arun_EEE Posts: 93 Rating: (0)	Yes.. i parametrised the slave The slave is 7SJ80 relay... Modbus rtu protocol 9600 baud rate none parity slave id 10
Arun_EEE Posts: 93 Rating: (0)
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2/5/2012 2:21 AM	Rate (0)
Arun_EEE Posts: 93 Rating: (0)	I am attacheing the details of the relay and mu program screen shots... kindly help... this website is the only hope for me Attachment 7SJ80 MODBUS ERROR.zip (744 Downloads)
Arun_EEE Posts: 93 Rating: (0)
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5/1/2024 4:35 PM	Rate (0)
Ali@ Advanced Member Joined: 1/2/2014 Last visit: 1/12/2025 Posts: 9 Rating: (0)	In case if someone else is looking for this error message, it means that license dongle is missing from back side of CP341 card.

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5/1/2024 5:42 PM	Rate (0)
0_Einstein Grandmaster Joined: 7/7/2010 Last visit: 1/7/2026 Posts: 16354 Rating: (2522)	Hopefully in the last 12 years they figured it out. Ali@ In case if someone else is looking for this error message, it means that license dongle is missing from back side of CP341 card.
	science guy
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