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ES - SIMATIC Manager -- Creating programs -- Using SFC
How do you reset error outputs without starting the productive sequencer?
How do you disable step time monitoring in the "Holding" mode?
What effect do the values "with" and "none" have in the "Enumeration" setting for setpoint values in SFC types and SFC instances?
What should you watch out for when using SFC charts/SFC type instances for delta loading, whose sequencers are processed in the "IDLE" state?
Why do you get the error message "Missing or invalid identifier" in the SCL compiler after upgrading from PCS 7 V6.1 to PCS 7 V7.0?
How can you change the message texts of an SFC chart in PCS 7?
What is the maximum number of transitions and alternative branches permissible in an SFC chart?
How do you make SFCs dynamic with Dynamic Wizard?
What should you watch out for when making online changes to the structure of an SFC types?
When do you use the Operation Type (EOP) technical function and when do you use the Function Type (EPH) technical function when defining your SFC type?
How do you use the "AUX_PRxx" inputs for message-associated values of an SFC instance?
How can you prevent the output LI_ERR being set on the SFC_CTRL block?
How can you start an SFC chart /SFC instance in the AUTO process mode by way of the block inputs?
How do you configure an operator request in an SFC type?
How do you proceed when there is a failure upon opening an SFC chart or SFC type in the SIMATIC Manager?
How do you optimize the size of the work memory for an SFC type?
How do you determine the size of the work memory which is occupied by an SFC type?
How do you leave one SFC sequencer and continue processing in another sequencer at a fixed target position?
How can you monitor an SFC type "online" (in test mode)?
What operating modes does the SFC have and what options are available for configuring sequencers?
How can you display the current operational status of a sequencer?
How can you display the operational display of a sequencer with a message of the SFC type instance?
How can pre- and afterprocessing be used in the sequence features of the SFC at SIMATIC PCS 7 V6?
When do I use a SFC-Chart and when a SFC-Type in SIMATIC PCS 7?
How do you visualize the current runtime of a step of an SFC sequence?
How do you configure an SFC type to ensure automatic interconnection of the block contacts?
How can you display the operational status of a sequencer with a message of a separate message-compatible block?
How can you resume a SFC sequence at the point of abortion upon restart of the CPU?
How do you switch an SFC chart into automatic mode?
What should you watch out for when doing a delta download of an SFC chart?
How do you expand user created blocks or standard blocks from the PCS 7 library so that they are listed in the Properties dialog of the SFC editor?
How do you leave one SFC sequencer and continue processing in another sequencer at a fixed target position?
Part number:

 
Instructions:
Use the "SFC-Chart".TARGETSEQ and "SFC-Chart".TARGETSTEP connections in order to switch from one SFC sequencer and continue the sequence in another SFC sequencer.
"SFC-Chart".TARGETSEQ is the number of the sequencer to which you wish to switch. You can find the number in the properties dialog box for the sequencer under "Edit > Sequencer Properties".


Fig. 01

"SFC-Chart".TARGETSTEP is the number of the step to which you wish to switch. You can find the number in the step properties. Right-click the target step to open the properties dialog box.


Fig. 02

In the target step dialog box you can check the sequencer and step which were active most recently with "SFC-Chart".LASTSEQ or "SFC-Chart".LASTSTEP in order to set different target steps, for example.

During configuration, use the assignments TARGETSTEP and TARGETSEQ when processing the step, for example, as a way of indicating where you wish to switch to.


Fig. 03

Note:
The TARGETSEQ and TARGETSTEP parameters are not used to "jump" to another sequencer. The parameters enable you to process this sequencer later on by defining the step (TARGET STEP) from which you wish to start processing the sequencer. The sequencer is activated in accordance with the operating status logic of the SFC, e.g. by executing the corresponding command, not by setting TARGETSEQ.

You can find further information in the Online Help for the SFC under "SFC - Sequential Function Chart > Runtime controls in the PLC > Processing an SFC".

 Entry ID:15217260   Date:2006-10-16 
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