Siemens SIMATIC PCS 7 Function Manual page 12

BATCH interface blocks
2.1 IEPH
● Start lock
Note
The start lock must have been set in IDLE state if the BATCH is to comply with the start
lock. If start lock is set the BATCH executes the occupation it initially writes the setpoints
and then waits for the block to reset the start lock.
● Continuous mode or bumpless changeover. In continuous mode, two recipe steps (time-
Allocation of ICTRL
Bit
0
1
2
3
4
5
6
7
8
9
ICTRL contains all control inputs which are written by BATCH.
IREADY, ILOCK and IREFRESH are used by the user program and are therefore not
available in ICTRL.
12
The "Start lock" identifier in the status word or input "ILOCK" can be used to inform the
BATCH block that start or resume is not desired.
based) successively use the same block without resetting this block between the steps.
The block only reports the READY state at the end of the first cycle. BATCH then sets the
status ID for continuous mode by setting input ICONT instead of terminating the block by
setting ITERM. You configure this functionality when creating the recipes. ICONT is reset
when the second recipe step is activated.
"Continuous mode or bumpless changeover" is only supported by recipe functions which
are not automatically completed.
Meaning
ISTART
IHOLD
IABORT
IRESET
ITERM
Reserved
ISTOP
Reserved
ICONT
IPARAM
SIMATIC BATCH Interface Blocks V7.1
Function Manual, 03/2009, A5E02171101-01