Mitsubishi FX3U-232-BD User Manual page 390

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
11.6 Error Codes
When a communication error occurs, the error flag turns ON, and the error code is stored in the data register.
For error codes, refer to the table below.
1. Error storing devices
FX Series
FX
2N
FX
3U
2. Error code list
Error
code
0 Normal end
1
2 Timeout error
3 Station number error Unspecified station gave response.
4 Sum check error
Parameter number
5
specification error
Communication port
6 occupied by another
communication type
256 Computer NAK error
257 Parity error
258 Sum check error
259 Protocol error
260 Framing error
261 Overrun error
262 Undefined
263 Character error
264 Undefined
265 Undefined
E-100
,FX
2NC
,FX
3UC
M8152
(No Errors)
⎯
Inverter did not give response.
Sending from inverter was aborted midway.
The sum of data sent back by the inverter did not match.
In writing or reading a parameter, an improper parameter number
was specified.
At this time, error code (K6706) is set to D8067.
K6706: Out-of-range data value for operand in applied instruction.
Because the port is being used for another communication type, it
cannot be used for communication with the inverter.
At this time, error code (K6762) is set to D8067.
K6762: The port specified in inverter communication instruction is
being used by another communication type.
Inverter sent the error code H0.
The number of retries exceeded the allowable number because of an
error in the transfer request data.
Inverter sent the error code H1.
The contents are different from the specified parity.
Inverter sent the error code H2.
The sum check code in the computer is different from the sum value
calculated from the data received by the inverter.
Inverter sent the error code H3.
Syntax error is included in the data received by the inverter,
receiving of data was not completed within the specified time, or CR/
LF does not agree with the parameters.
Inverter sent the error code H4.
The stop bit length is different from the initial set value.
Inverter sent the error code H5.
Before receiving the completed data in the inverter, the computer
sent the next set of data.
Inverter sent the error code H6.
Not defined currently in inverter.
Inverter sent the error code H7.
An unused character (other than 0 to 9, A to F and control codes)
was received.
Inverter sent the error code H8.
Not defined currently in inverter.
Inverter sent the error code H9.
Not defined currently in inverter.
Error flag
M8156
ch1 ch2
M8157
Contents of error
11 Troubleshooting
11.6 Error Codes
Data register for storing error code
D8156
ch1
D8152 D8157
operation
When errors
have occurred
consecutively
beyond the
allowable
number of
retries, inverter
is brought to an
alarm stop.
Inverter does
not accept
received data,
but is not
brought to an
alarm stop.
ch2
Inverter