Lenze E84AVHC Series - 14.1.125 L_SampleHold_1

Firmware ≤ 05.00 - DMS 4.2 EN - 02/2010 L 1047
8400 HighLine | Parameter setting & configuration
Function library
Function blocks | L_SampleHold_1
14.1.125 L_SampleHold_1
This FB can store a signal.
 The saved value is also available after mains switching.
Inputs
Outputs
Function
 When bLoad = TRUE, the nIn_a signal is switched to nOut_a.
 When bLoad = FALSE, the last-valid value is saved and output at nOut_a. A signal
change at nIn_a does not cause a change at nOut_a.
Behaviour after mains switching
The last-loaded value is permanently stored after switching of the supply voltage and
reloaded after restart.
 In order that the saved value is not immediately overwritten with the current input
signal at nIn after restart, bLoad must be set to FALSE at restart.
Identifier
Data type
Information/possible settings
nIn_a
INT
Input signal
bLoad
BOOL
Save input signal
FALSE The last-valid value at nIn is saved and output to nOut. A signal
change at nIn does not cause a change at nOut.
TRUE The nOut output provides dnIn.
Identifier
Data type
Value/meaning
nOut
INT
Output signal
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