Mitsubishi Electric Melsec Q Series User Manual page 231

7
PROGRAMMING
(2) Response format
Buffer memory address
26446(674E )
H
26447(674F )
H
26448(6750 )
H
(a) When normally completed
Table7.37 Response Format (When Normally Completed)
A response code is stored.
Stored value: A502
H
The FDL address of the DP-Slave whose alarm was read is stored.
Stored value: 0000 to 007D (0 to 125)
H H
The alarm data read completion status and the ACK response completion status are stored.
b15 to b8 b7
2)
1) The read completion status of the alarm data is stored.
Bit
Read completion status of
alarm data No.1
b0
0: Failed or not executed
1: Normally completed
Read completion status of
alarm data No.2
b1
0: Failed or not executed
1: Normally completed
Read completion status of
alarm data No.3
b2
0: Failed or not executed
1: Normally completed
Read completion status of
alarm data No.4
b3
0: Failed or not executed
1: Normally completed
2) The ACK response completion status is stored.
Bit
Completion status of
response to alarm data No.1
b8
0: Failed or not executed
1: Normally completed
Completion status of
response to alarm data No.2
b9
0: Failed or not executed
1: Normally completed
Completion status of
response to alarm data No.3
b10
0: Failed or not executed
1: Normally completed
Completion status of
response to alarm data No.4
b11
0: Failed or not executed
1: Normally completed
7.5 Program Example for Alarm Acquisition
7.5.3 Alarm read request (with ACK)
Result
to b0
1)
Description Bit
b4
b5
b6
b7
Description Bit
b12
b13
b14
b15
Description
Read completion status of
alarm data No.5
0: Failed or not executed
1: Normally completed
Read completion status of
alarm data No.6
0: Failed or not executed
1: Normally completed
Read completion status of
alarm data No.7
0: Failed or not executed
1: Normally completed
Read completion status of
alarm data No.8
0: Failed or not executed
1: Normally completed
Description
Completion status of
response to alarm data No.5
0: Failed or not executed
1: Normally completed
Completion status of
response to alarm data No.6
0: Failed or not executed
1: Normally completed
Completion status of
response to alarm data No.7
0: Failed or not executed
1: Normally completed
Completion status of
response to alarm data No.8
0: Failed or not executed
1: Normally completed
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