Comments (4)
Hi there,
it's hard to tell guess without further details. Did you run both master and slave programs on the same computer? Or maybe did you run both any single component from this project against some "real" data device or program?
Assuming you have used this projects master and slave, even on different computers, when you read the registers in the master program and get the error message, what do you see in the in the log window of the slave?
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Hi there, it's hard to tell guess without further details. Did you run both master and slave programs on the same computer? Or maybe did you run both any single component from this project against some "real" data device or program?
Assuming you have used this projects master and slave, even on different computers, when you read the registers in the master program and get the error message, what do you see in the in the log window of the slave?
I ran it against a "Real" Wago PFC100 which is a Linux-based PLC programmed using their custom Codesys flavor: E-Cockpit. Unfortunately, I don't have any remote access and will not visit the site in the foreseeable future. So yeah I know it is not a lot to go on.
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Just tried something else
Using both this project's master and slave the error doesn't seem to occur. Which is quite weird.
Using a different client (Universal Robot UR3) which was the intended us on site did not generate any errors
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hi i am facing same issue with a uno modbus slave . any solution yet?
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Related Issues (20)
- Exception when Poll Checkbox selected HOT 1
- Will RTU over TCP be included? HOT 4
- feat(installer): Support update feature in installer
- Dump log to file HOT 1
- Modbus slave always returns value 0 HOT 4
- Unable to see Communication log in screen 1366x768 HOT 1
- readings became unavailable HOT 1
- Sending requests simultaneously to slave HOT 1
- Failed to execute Write: Error Code 2 HOT 2
- Request: Entering addresses in hex
- Throw exception when request has wrong quantity
- window size
- Feature request: Passive logging of modbus communication
- Bug in modbusLib RTU Codec when message contains intermediate CRC
- Master (RTU mode) becomes unresponsive when no slave response after clicking Read coils
- Which Adresse i have to type into the field "start-Adress" and "size"? HOT 1
- I can't choose any port name HOT 1
- Can not enter IP Adress Version 2.1.0.0 HOT 3
- Question
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