Mitsubishi Electric A1SJ71DN91 User Manual page 91

8. TROUBLESHOOTING
Error Error
Code Detected
Slave
15 The enabled/privilege check failed
station
Slave The requested service cannot be executed in the
16
station current device status.
17 DN91 The slave station did not respond.
Slave Insufficient data supplied after the designated
19
station operations were conducted.
Slave
20 The designated attribute is not supported.
station
Slave
21 The service supplied more data than expected.
station
Slave The designated object does not exist in the slave
22
station station.
50 DN91 Incorrect response data format.
Designated slave station number is outside the
55 DN91
range 0 to 63.
57 DN91 Incorrect sequence during packet receipt.
No parameters set for the designated slave
200 DN91
station.
257 DN91 Data length set in buffer memory exceeds 241.
Incorrect value was set in command number of
258 DN91 buffer memory message communication
command area.
Details
−
8 12
Remedy
• Check if the designated station number, class ID,
instance ID, and attribute ID are correct.
• Refer to the slave station manual to determine the
conditions for the slave station to notify this error,
and take the appropriate remedy.
• Check if the designated station number, class ID,
instance ID, and attribute ID are correct.
• Refer to the slave station manual to determine the
conditions for the slave station to notify this error,
and take the appropriate remedy.
• Investigate overall status of network and slave
station. Is the slave station down, or the termination
resistance disconnected, for example?
• Check if the designated station number, class ID,
instance ID, and attribute ID are correct.
• For Set Attribute, check if the designated data is
insufficient and the data length is correct.
• Refer to the slave station manual to determine the
conditions for the slave station to notify this error,
and take the appropriate remedy.
• Check if the designated station number, class ID,
instance ID, and attribute ID are correct.
• Refer to the slave station manual to determine the
conditions for the slave station to notify this error,
and take the appropriate remedy.
• Set the data returned by the slave station to 240
bytes maximum.
• Check if the designated station number, class ID,
instance ID, and attribute ID are correct.
• Refer to the slave station manual to determine the
conditions for the slave station to notify this error,
and take the appropriate remedy.
• Investigate overall status of network and slave
station. Is the termination resistance disconnected,
for example?
• Designate from 0 to 63.
• Investigate overall status of network and slave
station. Is the termination resistance disconnected,
for example?
• Designate a slave station with set parameters.
• Set the data length 240 or less.
• Set one of 0000
, 0001 , 0002
H H
command number.
MELSEC-A
, and 0003
H H