Programming
4.3 Time-based IO
High-precision input/output with Time-based IO
Function Manual, 11/2019, A5E33454822-AC
47
Parameter
Declaration Data type
Default
Description
S7-1500
Time-
StampFE
Output
LTime
LT#0ns
Time stamp:
EdgeSel = 1: The last read-in time at which a positive edge was
detected (if
multiple
positive edges have occurred).
EdgeSel = 2: The last but one read-in time at which a falling
edge was detected (if
multiple
falling edges have occurred).
EdgeSel = 3; 4; 5: The last read-in time at which a positive
edge was detected.
LEC
Output
UInt
0
Counter: Number of edges for which no time stamp could be
saved. The module can count a maximum of seven edges
during REQ. The counter is reset with the falling edge at REQ.
TIO_SYNC
_Data*
InOut
"TIO_SYNC
_Data"
System time provided for the TIO instructions of the TIO
modules by the TIO_SYNC instruction. See UDT
TIO_SYNC_Data (Page 58).
Connect this input parameter with the "TIO_SYNC_Data" output
parameter of the TIO_SYNC instruction.
Initialized
Static
Bool
False
Instruction is initialized and ready
* Checked once at startup of the CPU
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