Mitsubishi Electric FX5-DP-M User Manual page 162

■Abnormal response format for alarm ACK
Address Bit

Un\G26446

Un\G26447
Un\G26448 b8 to
b15
b0 to b7

Un\G26449 to
Un\G26484

Un\G26485

Un\G26486

Un\G26487

Un\G26488

Un\G26489 to
Un\G26528


Un\G26729 to
Un\G26768
APPX
160
Appendix 3 Buffer Memory
Name
ACK Abnormal response code
FDL address
Completed status
Alarm No.1 Alarm data
(stored
when the
ACK Abnormal
alarm read
response code
normal bit is
ACK Detailed status
off)
code 1
ACK Detailed status
code 2
ACK Detailed status
code 3
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 ACK request is
completed with an error.
Stores the FDL address of the DP-Slave for the ACK return
address.
Bit of an alarm No. for which ACK return completed successfully turns on.
Bit of the alarm No. for which alarm acquisition completed successfully turns on.
Stores an alarm data acquired for the alarm read normal response. ( Page 157
Normal response format when the alarm is read (without ACK))
Stores the response code that occurs when an Alarm ACK
request is completed with an error.
• 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
Page 117 List of
Status Codes