Assigning Parameters to and Calling the S7-Graph FB
S7-GRAPH for S7 300/400 Programming Sequential Control Systems
9-12 C79000-G7076-C526-01
9.7.2 Manual mode (SW_MAN)
The manual mode is selected, for example, to test the sequencer. The manual
mode is characterized as follows:
• Next step not enabled when a transition is satisfied
• Steps can be manually selected and deselected
Input Parameters of the Manual Mode
Parameters not listed are not mode-dependent.
Parameter Data Description
OFF_SQ BOOL All steps are immediately deactivated, in other
words "Sequencer Off"
INIT_SQ BOOL Initialize sequencer, jump to initial step
ACK_EF BOOL Acknowledgment of a disturbance
S_PREV BOOL Indicate previous step in S_NO
S_NEXT BOOL Indicate next step in S_NO
SW_AUTO BOOL Request the automatic mode
SW_TAP BOOL Request inching mode
SW_TOP BOOL Set automatic or switch to next mode
S_SEL INT Step number for step selection, indicated in
S_NO following selection
S_ON BOOL The step indicated in S_NO is activated
S_OFF BOOL The step indicated in S_NO is deactivated
Output Parameters of the Manual Mode
Parameter Data Description
S_NO INT Step number, indicates the selected step
S_MORE BOOL Other steps exist and can be indicated in S_NO.
S_ACTIVE BOOL The step indicated in S_NO is active
ERR_FLT BOOL Error/disturbance occurred
AUTO_ON BOOL The automatic mode is not active
TAP_ON BOOL Inching mode is not active
MAN_ON BOOL The manual mode is active
TOP_ON BOOL Automatic or switch to next mode is not
activated
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