Mitsubishi Electric FX5-DP-M User Manual page 160

■Abnormal response format when the alarm is read (without ACK)
Address Bit

Un\G26446

Un\G26447
Un\G26448 b8 to
b15
b0 to b7

Un\G26449
Un\G26450 

Un\G26451

Un\G26452 to
Un\G26484

Un\G26485 to
Un\G26488
Un\G26489 to 
Un\G26528


Un\G26729 to
Un\G26768
APPX
158
Appendix 3 Buffer Memory
Name
Alarm read (without ACK) abnormal
response code
FDL address
Empty (Fixed to 0H)
Completed status
Alarm No.1 Alarm details status
code 1
Alarm details status
code 2
Alarm details status
code 3
Empty (fixed to 0)
Empty
This area is the response area for the Alarm ACK request.
Alarm No.2 Same as alarm No.1.
Alarm No.8 Same as alarm No.1.
Description
Stores the response code that occurs when an alarm read
(without ACK) request is completed with an error.
Stores the FDL address of the DP-Slave that acquires the alarm.
Bit of the alarm No. for which alarm acquisition completed successfully turns on.
• Other than FFFFH: Page 117 List of Status Codes
• FFFFH: Detailed status code 1 does not exist.
• Other than FFFFH:  Page 117 List of Status Codes (Refer to the DP-Slave manual
if the status code is not in the list)
• FFFFH: Detailed status code 2 does not exist.
Stored value
Page 117 List of
Status Codes
0 to 125