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6ES7811-0BA00-8BA0
S7-GRAPH f. S7-300/400, HB (e)
S7-GRAPH f. S7-300/400, HB (e)

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FAQ How do you install block protection for the S7-GRAPH blocks?

To install block protection for an S7-GRAPH FB you must add the function KNOW_HOW_PROTECT to the S7-GRAPH source. Then compile the source and the S7-GRAPH FB is protected.

07/01/2015
ID: 10024793
(0)
FAQ Which FB parameters do you need for controlling the step sequence?

Configuration Notes After creating the sequencer in S7-GRAPH, the S7-GRAPH function 'Control sequencer' gives you the option of testing the sequencer. With this test it is not necessary to set the FB parameters. However, you must call the S7 GRAPH FB beforehand in a STEP 7 block. This test function permits you to test the sequencer in all operating modes from S7-GRAPH. You open the sequencer control dialog in S7-GRAPH through the menu item 'Test > Control sequencer': ...

01/27/2014
ID: 11271357
(0)
FAQ What block protection facilities are available in STEP 7 to protect the know-how of your blocks?

STEP 7 V5.x and STEP 7 (TIA Portal) provide various block protection facilities to protect the know-how of your programs in the blocks against unauthorized persons.

05/22/2013
ID: 73122648
(1)
FAQ How can you delay transition of steps as a function of the interlock?

Instructions   The table below contains a few sample steps for delayed transition to the next step. An interlock is programmed in each of the Steps 1 to 4. The meanings of the interlock and the structure tags are as follows: Interlock C: a programmable condition for the interlock that affects the execution of individual actions. STEP1 U: uninterrupted step initialization time. STEP1 T: total step initialization time. STEP1 LA: Interlock is not fulfilled ...

04/27/2011
ID: 19321923
(0)
FAQ What tips and tricks are there for executing and monitoring steps and transitions in S7-GRAPH V5?

Instructions: This entry includes tips and tricks for executing and monitoring steps and transitions. Disabling steps in the case of two or more sequencers in one step Comments for the permanent operations Monitoring two or more steps that are connected in series Changing the block number of the standard FC72 Switching the transition to the next step when the conditions fo ...

07/12/2010
ID: 1668619
(3)
FAQ How do you integrate texts in messages in S7-GRAPH and display them with the "CPU Messages" function?

Instructions The table below describes the procedure for integrating texts in messages in S7-GRAPH and displaying them using the 'CPU Messages' function. ...

04/14/2010
ID: 41995759
(0)
FAQ Why can't you monitor the sequencer online in S7-GRAPH when the S7-GRAPH FB is called in a CFC chart?

Description: When compiling the CFC chart, an instance data block is created for each function block in CFC. Thus a new instance DB is also assigned for the S7-GRAPH FB configured in CFC. If you wish to monitor the sequencer online in S7-GRAPH after downloading, you must make sure that you monitor the sequencer with the correct instance DB. You can then also delete the instance DB created by S7-GRAPH. ...

02/26/2009
ID: 5608787
(1)
Application example The SIMATIC Manager

Topic SIMATIC software is the integrated system environment for all SIMATIC systems and provides you with the ideal tool for every task at each phase of your project for optimizing your engineering workflow.  The SIMATIC Manager guarantees the smooth interaction of these projecting and progr...

09/18/2008
ID: 21064133
(8)
Application example The Graphical Language S7-GRAPH

Topic SIMATIC software is the integrated system environment for all SIMATIC systems and provides you with the ideal tool for every task at each phase of your project for optimizing your engineering workflow. If there are sequential operations in a facility which are dividible into single processi...

09/17/2008
ID: 21062148
(5)
FAQ How do you convert the internal step numbers of the instance DB to the user-defined step numbers?

Instructions: A structure is created in the instance DB for every step that takes place in the sequencer for the S7-GRAPH FB. Internal access only takes place via the field element, followed by the name of the structural element. The field index is the internal step number, not the number allocated by the user. G7S[1].X  step is active  G7S[1].SNO  user step number ...

01/29/2008
ID: 12385215
(0)
FAQ How do you maximize the texts in the "Compilation Messages" window?

Instructions: Up to S7-GRAPH version V5.1 the texts are display in 'Courier' font. The default setting Courier 10. In rare cases, depending on the installation, it might happen that the texts are displayed too small.  ...

01/17/2008
ID: 14540960
(0)
FAQ In the case of a sequencer with over 100 steps, why is the status of the steps and transitions not shown at all or only partially?

Description: At the start of the status function, you get a message stating that not all the values could be displayed. ...

01/17/2008
ID: 2928546
(0)
FAQ Why doesn't the sequencer switch on in automatic mode even though the transition condition is fulfilled?

Description: The sequencer doesn't continue in automatic mode in your S7 project. This behavior can occur when ...

10/11/2007
ID: 10866321
(1)
FAQ How do you change a simultaneous branch into an alternative branch without having to re-enter all the steps affected?

Instructions:   The table below describes how to convert a simultaneous branch into an alternative branch without having to re-enter the steps affected. ...

10/08/2007
ID: 15087296
(0)
FAQ How can you change the content of a data word indirectly using the function "WORD_TO_INT(WORD_TO_BLOCK_DB(DB_Number).DW[Index]?

Instructions: If a data word is addressed on an indexed basis using the conversion function (Class B) 'WORD_TO_INT(WORD_TO_BLOCK_DB(DB_Number).DW[Index]', it is thus also possible to change the content of the data word. The following example (Fig. 01) shows the increment of a value by 1. ...

09/27/2007
ID: 26495197
(1)
FAQ How do you create diagnostic data for multiple instance DBs which are used by an S7-GRAPH FB?

Instructions:   If an FB is created with S7-GRAPH, it is assigned a default instance DB. If the FB1 is configured with messages and saved, the diagnostic data is written in the DB1. This step has to be performed for all the other S7-GRAPH DBs. The table below describes the procedure for creating diagnostic data with S7-GRAPH in multiple instance DBs ...

09/27/2007
ID: 11772589
(0)
FAQ How can I check the length of a switch-on pulse in a sequencer?

Instructions: If in a parameterized switch-on delay the switch-on pulse is shorter than the parameterized switch-on delay, then the pulse is to be discarded and the next pulse is awaited. Only when this pulse is longer than the parameterized switch-on delay is the sequencer to be switched. ...

09/14/2007
ID: 17634472
(0)
FAQ Why does the message "System error 1100" appear when the S7-GRAPH function block is saved?

Description: The table below describes some of the causes and the corresponding remedies for the message 'System error 1100': ...

09/13/2007
ID: 7497582
(0)
FAQ How do you program ARRAYs in UDTs in S7-GRAPH?

Instructions: In deeper structures and in UDTs (user-defined data types) you cannot use ARRAYs for the sequencer because part of the operand is deleted automatically after being saved in S7-GRAPH. Fig. 01 shows an example with the definition of a UDT25 that contains the declaration: 'Check : ARRAY [1 .. 2 ] OF STRUCT ...

09/13/2007
ID: 21074004
(0)
FAQ Why does the message "Time stamp conflict" appear when you call an S7-GRAPH FB, although the time stamp is displayed correctly?

Description: If in S7-GRAPH under 'Options > Block settings' the option 'Criteria analysis data in DB' is enabled, then upon each change in the sequencer the instance DB is updated automatically. ...

05/29/2007
ID: 5504557
(0)
 
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