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5.7
Blocks for analog value functions
5.7.1
Triggered saving
Function
The block saves the current value of an analog input when a programmable event (Trigger)
occurs. With an edge change 0 → 1 of "Trigger" the value of the input is written to the output.
The "Reset" input resets the output to 0. As long as "Reset" is set to 1, the "Trigger" input is
ignored.
Parameters
Parameters
Input parameters
En
Trigger
Reset
Input
RTU3030C
Operating Instructions, 09/2017, C79000-G8976-C382-04
Tag type / range of
Description
values
Enable parameter, see section Often used parameters
(Page 198).
True / False
With an edge change 0 → 1 block processing is started
and the value of "Input" is saved in the "Output".
Digital input / output /
bit memory
With the setting "True" an edge change 0 → 1 of the
trigger is evaluated in the first update cycle. The block is
STATUS_ERROR
processed only once.
With the setting "False" the block is never processed.
True / False
When there is an edge change 0 → 1 the output is reset
to 0.
Digital input / output /
bit memory
With the setting "TRUE" the function is actually turned
off.
STATUS_ERROR
With the setting "False" the output is never reset.
Analog input / bit
The current value of the input parameter is processed by
memory
the block as described above.
Event counter / usage
meter
5.7 Blocks for analog value functions
Programming
219
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