Siemens SIMATIC PCS 7 Function Manual page 185

Process control system, advanced process functions apf
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Controlling a job
In "Automatic" mode, a job can be controlled using the following inputs of the "FB_JOB" block:
L_IT
0
1
Job control status signals
The status signals for job control are available at the following outputs:
FB_AV
Advanced Process Functions (APF)
Function Manual, 07/2016, A5E38719883-AA
Input
L_START
Once a job has been activated, it is ready for starting in the job interface.
Following a positive edge at the "L_START" input, the outputs for starting
the process are set and the job status is displayed in line with the feedback
signals.
L_HOLD
Following a positive edge at the "L_HOLD" input, the outputs for pausing
the process are set and the job status is displayed in line with the feedback
signals.
L_RESUM
Following a positive edge at the "L_RESUM" input, the outputs for con‐
tinuing the process are set and the job status is displayed in line with the
feedback signals.
L_END
Following a positive edge at the "L_END" input, the outputs for ending the
process are set and the job status is displayed in line with the feedback
signals from the AS inputs.
L_ABORT
Following a positive edge at the "L_ABORT" input, the outputs for cancel‐
ing the process are set and the job status is displayed in line with the
feedback signals.
IT_START
Once a job has been activated, it is ready for starting in the job interface.
Following a positive edge at the "IT_START" input, the outputs for starting
the process are set and the job status is displayed in line with the feedback
signals.
IT_HOLD
Following a positive edge at the "IT_HOLD" input, the outputs for pausing
the process are set and the job status is displayed in line with the feedback
signals.
IT_RESUM
Following a positive edge at the "IT_RESUM" input, the outputs for con‐
tinuing the process are set and the job status is displayed in line with the
feedback signals.
IT_END
Following a positive edge at the "IT_END" input, the outputs for ending the
process are set and the job status is displayed in line with the feedback
signals from the AS inputs.
IT_ABORT
Following a positive edge at the "IT_ABORT" input, the outputs for cancel‐
ing the process are set and the job status is displayed in line with the
feedback signals.
Input
Output
QJOB_ON
QJOB_ACTIV
Description
Meaning
Current actual value of the job in progress
Job processing ON = 1, OFF = 0
Job in progress = 1, paused = 0
Order management
7.1 FB_JOB
185

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