Mitsubishi QD51 Programming Manual page 664

Logic controller
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APPENDIX
Numbers in the A00
range • • • Errors related to communication processing
H
Error code
A2A
, A2B
,
Error in communication with the console
H
H
A61
, A62
,
H
H
A73
H
A75
Memory card verification error
H
A82
Cannot be used with the specified interface.
H
A83
Time out error
H
A84
Reception error
H
A85
Communication buffer overflow
H
A91
The specification of the number of requested
H
characters is incorrect.
A92
The specification of the receive buffer size is
H
incorrect.
A93
Baud rate specification is incorrect.
H
A94
Character length specification is incorrect.
H
A95
Parity bit specification is incorrect.
H
A96
Stop bit specification is incorrect.
H
A97
The specification of the number of break
H
characters is incorrect.
AA1
A printer connected to the parallel interface is
H
faulty.
AC1
The size of an array used for a control table is
H
insufficient.
AC2
It is attempted to receive more data than the
H
number of input elements.
It is attempted to send more data than the number
of output elements.
AC4
The number of requested bytes during
H
communication is too large.
AC7
A processing code for the ZCNTL instruction is
H
incorrect.
App - 19
Meaning
Corrective action
Reset the communication module.
Check the memory card size, etc.
Change the interface.
Check devices on the transmission side.
Read the reception error cause using processing
code 64 of the ZCNTL instruction and check the
error contents.
Do not send large amounts of data.
Specify the number of requested characters
correctly.
Specify the size within the range of 1024 bytes or
less.
Specify the baud rate correctly.
Specify the character length correctly.
Specify the parity bit correctly.
Specify the stop bit correctly.
Specify the number of break characters correctly.
Check the printer.
Increase the size of the array.
Receive the same amount of data as the number of
input elements. Send the same amount of data as
the number of output elements.
Specify an appropriate number of requested bytes.
Check the processing code.
MELSEC-Q
App - 19

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