Spirit flow-x, Справочник по функциям

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Flow-X─ Function Reference
4-175
Flow-X General functions - fxBatchLatch
fxBatchLatch
Description
The function latches a value at every batch reset.
Inputs and outputs
Function
inputs Remark EU SW tag Range Default
Name Name used for tag-prefix and
retentive storage.
Input value Value to be latched Same as
linked cell
Latch
command * Trigger to latch the value
Reset
command * Trigger to reset the batch.
At every batch reset the last
latched value is stored in the
previous latch output value and the
current latch output value is reset
to 0
Identification Batch identification.
Can be any string of maximum 255
characters long. ID
Note: When the latch and reset commands are given at the same time, then the
current value becomes the 'Previous latch' output value and the current latch is
reset to 0.
Function
outputs Remark EU SW tag Alarm Fallback
Current latch Value that is latched since the
last batch reset.
Is reset to 0 at every batch
reset. Same as
input ‘Input
value’ CB 0
Previous latch Value that was latched during
the previous batch. If no
value was latched during the
previous batch, then the
value is set to 0. Same as
input ‘Input
value’ PB 0