Mitsubishi Electric MELSEC-Q Series User Manual page 108

(8) Number of the alarm IDs (Un\G9984)
When a status error occurs on the slave module or an ID or parameter setting error regarding a slave module
occurs, the number of IDs relevant to alarm occurrence is stored. (Up to 128 IDs)
The stored values are retained until the power is turned off and on or Error flag clear command (Yn0) is turned on
and off after the error is eliminated.
(a) Data update timing
The data are updated when the power is turned on or when an alarm has occurred after the automatic address
detection.
(b) Alarm target error code (Page 95, Section 10.5)
Error code
012C
012E
(9) Alarm ID information storage areas (Un\G9985 to Un\G10112)
The ID information of all the slave modules where an alarm has occurred is stored in the ascending order.
The IDs to be stored are as follows.
• 0000 to 00FF
H
• 0200 to 02FF
H
The stored values are retained until the power is turned off and on or Error flag clear command (Yn0) is turned on
and off after the error is eliminated.
(a) Data update timing
The data are updated when the power is turned on or when an alarm has occurred after the automatic address
detection.
(10)Latest error code storage area (Un\G10256)
The latest error code detected in the master module is stored.
For details on the error codes, refer to the following.
• Error code list (Page 95, Section 10.5)
(11)Latest error ID storage area (Un\G10257)
The IDs corresponding to the error codes stored in the latest error code storage area (Un\G10256) are stored.
However, for the errors below, "0FFF
Error code
00C8
00C9
0064
012E
106
, 012D
Slave module hardware error
H H
Parameter access target module ID error
H
012F
Parameter value error
H
0131
Slave module status error
H
0190
Same ID used error
H
0191
No ID setting error
H
: ID of output slave modules
H
: ID of an input slave module or I/O combined slave module
H
" is stored.
H
Transmission cable voltage drop error
H
DP/DN short error
H
to 0067
Master module hardware error
H H
0068
CPU module stop error
H
Parameter access target module ID error
H
Error description
Error description