Alarm Ack Request - Mitsubishi Electric Melsec Q Series User Manual

7
PROGRAMMING

7.5.2 Alarm ACK request

This section explains the request and response formats of the alarm ACK request.
The alarm ACK request is used for returning ACK to the DP-Slave after execution of the
alarm read request (without ACK) and deleting alarms in the DP-Slave.
ACK can be returned for each alarm that was read.
(1) Request format
Buffer memory address
26432(6740 )
H
26433(6741 )
H
26434(6742 )
H
Table7.33 Request Format
Set a request code.
Set value: 1501
H
Set the FDL address of the DP-Slave to which ACK is to be returned.
Set value: 0000 to 007D (0 to 125)
H H
Set the alarm data No. for which ACK is to be returned.
b15 to b8 b7
00 (Fixed)
H
Bit Description
b0 Execution instruction to alarm data No.1
b1 Execution instruction to alarm data No.2
b2 Execution instruction to alarm data No.3
b3 Execution instruction to alarm data No.4
b4 Execution instruction to alarm data No.5
b5 Execution instruction to alarm data No.6
b6 Execution instruction to alarm data No.7
b7 Execution instruction to alarm data No.8
7.5 Program Example for Alarm Acquisition
7.5.2 Alarm ACK request
Description/Set value
to b0
See below.
1
2
3
4
5
6
7
8
7
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