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Mitsubishi Electric Melsec Q Series User Manual page 232

Profibus-dp master module
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7
PROGRAMMING
Buffer memory address
26449(6751
)
H
26450(6752
)
H
26451(6753
)
H
26452(6754
)
H
26453(6755
) to
H
26484(6774
)
H
7
- 43
7.5 Program Example for Alarm Acquisition
7.5.3 Alarm read request (with ACK)
Table7.37 Response Format (When Normally Completed) (Continued)
The length of the alarm data is stored. (Unit: byte)
Stored value: 1 to 64
The alarm type is stored.
Stored
The slot No. is stored.
Stored value: 0 to 254
The alarm status and sequence No. are stored.
b15
Alarm data No.1
1) Alarm details category is stored.
2) Whether individual ACK is required or not is stored.
3) Sequence No. is stored.
The alarm data are stored.
26453(6755
26454(6756
26484(6774
Result
Alarm type
value
A510
Diagnosis alarm
H
A511
Process alarm
H
A512
Pull alarm
H
A513
Plug alarm
H
A514
Status alarm
H
A515
Update alarm
H
Manufacturer
A516
H
specific alarm
b8
0
00 : No additional information
01 : Error detected, and alarm notified from the corresponding slot
10 : No error occurred after alarm notification from the corresponding slot
11 : Error occurred after alarm notification from the corresponding slot
0 : No ACK return from the user is required.
1 : ACK return from the user is required.
Stored value : 0 to 31
b15
)
Alarm data (2nd byte)
H
)
Alarm data (4th byte)
H
to
)
Alarm data (64th byte)
H
b7
to
b3 b2 b1
b0
3)
2)
1)
b8
b7
Alarm data (1st byte)
Alarm data (3rd byte)
Alarm data (63rd byte)
(To the next page)
b0

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