Protocol Errors; Structure Of A Protocol Error; Protocol Error Details - Fronius IG-TL Serie Manual De Instrucciones

Protocol errors

Protocol errors Protocol errors occur when a query is sent to an inverter and it cannot process it or an
error in the data structure of the query is detected.
The interface card will output a protocol error when
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A protocol error
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Structure of a

Structure of a protocol error:

Protocol Error
The value of the command byte is always 0x0E.
The command that caused the error is displayed as the first byte in the data field.
Protocol error
Value
details
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
Important When a query is sent to an inverter that does not exist in the ring, the sender
receives the unanswered data frame as a response.
a command or measured value query has not been executed within a specified
period of time in Solar Net
an error occurs while a command is being executed
describes the command that caused the error
provides information on the type of error
Start Length Device / Option Number
0x02 (unchanged)
Explanation
Unknown command
Timeout
A command or measured value query has not been executed within a
specified period of time in the LocalNet ring
Incorrect data structure
Command queue is full
Wait until last command has been carried out
Device or option not available
The device or option to which the command was directed is not present in
the Solar Net ring
No response from device or option
The device or option to which the command was directed is not responding
Sensor error
The device or option to which the command was directed is reporting a
sensor error
Sensor not active
This is output when the selected channel is not active
Incorrect command for device or option
The command cannot be carried out with the selected device or option
Indicates that two devices in the ring have the same network number
The device that detected the error overwrites the current message with an
error frame of this error message
Error Command that caused Error
the error information
(unchanged) (0x0E) (1 byte)
64
Checksum
(1 byte)