Siemens SIMATIC PCS 7 Function Manual page 37

Batch messages
Block parameters
Q_STATUS bit 24
Q_STATUS bit 24
Q_STATUS bit 25
Q_STATUS bit 25
Q_STATUS bit 26
Q_STATUS bit 31
See also
I/Os of IUNIT_BLOCK (Page 38)
Operator Control and Monitoring of IUNIT_BLOCK (Page 40)
SIMATIC BATCH Interface Blocks V7.1
Function Manual, 03/2009, A5E02171101-01
Value Event
1 Unit occupied
0 Unit enabled
0 Unit not enabled for batch
1 Unit enabled for batch
1 Unit requested for maintenance
1 Unit error
BATCH interface blocks
2.4 IUNIT_BLOCK
Message class
Status message - AS
Status message - AS
Status message - AS
Status message - AS
Status message - AS
AS process control system
message
37