7. COMMUNICATION THAT DO NOT REQUIRE
THE SEQUENCE PROGRAM
MELSEC-A
7-7
7.1.4
PC CPU status information (Status: Server)
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
Value Name
Explanation
0
Ready for communication
All operations are possible from the client.
2 Limited
number
of
services
(Not used)
4 OD-LOADING-NON-
INTERACTING
Loading ODs not used in common between connections.
5 OD-LOADING-
INTERACTING
Loading ODs not used in common between connections. All
connections that are not loading ODs are forcefully aborted.
•
Physical Status
This shows the VFD status.
Value Name
Explanation
0
Operational
Operation is possible from the client.
1
Partially Operational
Operation is possible from the client. However, self-diagnostic error
generation (N9008 is on).
2
Inoperable
Operation is not possible from the client.
3
Needs Commissioning
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.
For details, refer to Appendix 2 VDF Physical Status Criteria Table.
•
Local Detail
M9000 to M9008, D9015 actual information (excluding M9001, M9003)
Local Detail details
D9015 data
×
9008
9007
9006
9005
9004
9002
9000
2
0
LSB
MSB
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.
