Siemens CPU 948 Programming Manual page 290

OB 153: Set/Read Time for Delayed Interrupt
Stop delay time (cancel job)
STEP 5 operations for calling OB 153:
:
:
:L KF +2
:
:JU OB 153
:
:
Read out remaining time of a delay job:
STEP 5 operations for calling OB 153:
:
:
:L KF +3
:
:JU OB 153
:
:
:
:
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Value for ACCU-1-L: function no. = 2 for
"stop delay time"
Call OB 153
Value for ACCU-1-L: function no. = 3 for
"read out remaining time"
Call OB 153
ACCU-1-L contains the time the delay job still
has to run.
CPU 948 Programming Guide
C79000-G8576-C848-04