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7. COMMUNICATION THAT DO NOT REQUIRE
THE SEQUENCE PROGRAM
7.1.4
A "Status" service is issued from the client to acquire in the PC CPU status information.
The AJ71PB96F/A1SJ71PB96F that received the service returns the data to the PC CPU special relay
M9000 to M9008 (excluding M9001, M9003).
[Parameters required by the client]
None
[Server (AJ71PB96F/A1SJ71PB96F) return parameters]
• Logical Status
• Physical Status
• Local Detail
Local Detail details
0
2
Note
The × mark is an undefined value. (Not set to either 0 or 1.)
There are special relays (M9000 number level) that are not used by the PC CPU. In this case, the
value is undefined.
PC CPU status information (Status: Server)
Value
Name
0
Ready for communication
2
Limited number of
services
4
OD-LOADING-NON-
INTERACTING
5
OD-LOADING-
INTERACTING
This shows the VFD status.
Value
Name
0
Operational
1
Partially Operational
2
Inoperable
3
Needs Commissioning
For details, refer to Appendix 2 VDF Physical Status Criteria Table.
M9000 to M9008, D9015 actual information (excluding M9001, M9003)
MSB
D9015 data
9000
9002
9004
9005
9006
All operations are possible from the client.
(Not used)
Loading ODs not used in common between connections.
Loading ODs not used in common between connections. All
connections that are not loading ODs are forcefully aborted.
Operation is possible from the client.
Operation is possible from the client. However, self-diagnostic error
generation (N9008 is on).
Operation is not possible from the client.
Operation is possible from the client. However, the PC CPU cannot
be run. In addition, there is a possibility that a self-diagnosis error will
occur.
LSB
×
9007
9008
7-7
MELSEC-A
Explanation
Explanation
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