6. COMMUNICATIONS THAT REQUIRE THE SEQUENCE PROGRAM
MELSEC-A
6-22
6.12 Reports to the Partner Station Status PC CPU (Unsolicited Status:
Receiver)
The received partner station status information is set in the receive area and receive data area.
Note
•
Before the received unconfirmed service data is read from the buffer memory by the PC CPU,
the number of following unconfirmed services that can be received by the
AJ71PB96F/A1SJ71PB96F is one service per connection. When the second service is
received, the AJ71PB96F/A1SJ71PB96F forcefully aborts the connection.
For connectionless connection, the received service is discarded.
•
The communications that can receive unconfirmed services are as follows.
1) MMAC client and server
2) MSAC, MSAC_SI, MSCY, MSCY_SI during slave simulation
3) MSAC_SI, MSCY_SI client and server
4) BRCT/MULT receiver
(1) Receive
area
0050h
448
449
450
451
452
453
454
455
512
*
*
*
*
*
*
*
Set to error code
if a failure and to 0 if successful
UnsolicitedStatus command
CREF No.
Set to the received CREF No
(2) Receive
data
area
307
307
307
307
307
358
*
*
*
Logical Status*1
Physical Status*2
Local Detail*3
Explanation
*1, *2, and *3 : The same as for Status.
