Troubleshooting Using Error Codes; Communication Error Codes - Mitsubishi Electric A1SJ71DN91 User Manual

8. TROUBLESHOOTING

8.3 Troubleshooting Using Error Codes

8.3.1

Communication error codes

Error Error
Code Detected
35 DN91
Baud rate setting is out of range
H
36 DN91 Host station number (MAC ID) is out of range..
H
There are two or more stations in the network that
39 DN91
H
have the same station number (MAC ID).
No configuration software-based parameters are
D2 DN91
H
set.
Determine the problem
Error codes include communication error codes and execution error codes for message
communication.
(1) Check the details of the communication error codes by turning on the error reset signal
(Xn3) to read the error codes.
(2) Check the details of the message communication execution error codes by turning ON
the message communication complete signal (Xn2) to read the error codes.
Error information is stored at address 0131
byte and a lower byte.
Upper byte: Error code
Lower byte: Station number where error was detected
Buffer memory
01B1
H Upper byte
(1) In case the error-detected station number (lower byte of the error data) is FF
Details
.
and the appropriate
in buffer memory. It is separated into an upper
H
Lower byte
Station number where error was detected
Error code
• Properly set the baud rate.
• Set the host station number in a range of 0 to 63.
• Set station numbers to avoid duplication.
• Set the parameters with the configuration software.
(When the parameters are set with the sequence
program, the error code has no significance.)
−
8 8
MELSEC-A
remedy from the error
H
Remedy
codes.
: