Siemens Simatic S7-1500

Instructions
9.5 Polyline
PID control
516 Function Manual, 03/2017, A5E35300227-AC
9.5.4
Input parameters of Polyline
Parameter
Data type
Default
Description
Input
REAL
0.0
Input value
Substitute-
Output
REAL 0.0 SubstituteOutput is used as the substitute output value when
• Reset = TRUE
or
• An error with error message ErrorBits ≥ 16#0001_0000 prevents correct
calculation of the interpolation result, and the configured value of Error-
Mode is 1 .
Validate BOOL FALSE
If Validate is set to TRUE, the polyline data in UserData is checked for validity
and transferred to WorkingData.
ErrorAck BOOL FALSE Deletes the error messages
• Edge FALSE -> TRUE
ErrorBits is reset
Reset BOOL FALSE Performs a restart of the instruction
• Edge FALSE -> TRUE
ErrorBits is reset.
• As long as Reset is set to TRUE, the substitute output value Substitute-
Output is output at the output.
• As long as Reset is set to FALSE, the interpolation calculation is per-
formed.
9.5.5
Output parameters of Polyline
Parameter
Data type
Default
Description
Output
REAL
0.0
Output value
Error
BOOL
FALSE
When Error is set to TRUE, at least one error is currently pending.
ErrorBits DWORD DW#16#0 The ErrorBits parameter (Page 518) shows which error messages are pend-
ing. ErrorBits is retentive and is reset at a positive edge at Reset or ErrorAck .