Eaton easyE4 series Manual page 223

The function block and its parameters
Function block inputs
Description
(Bit)
EN 1: Activates the function block.
C_ Counter input, counts with every rising edge
D_ Count direction
0: up counting
1: down counting
SE The starting value at SV is applied whenever
there is a rising edge at this input
RE Reset
1: QV=0
(DWord)
SH Upper Threshold Value
SL Lower threshold value
SV Start value (Pre Set)
Assigning operands
You can assign the following operands to the function block inputs that are numeric
inputs.
Operands
Constant, timer constant
MD, MW, MB - Markers
NB, NW, ND - NET markers
nNB, nND, nND- NET markers
NET stations n
IA - Analog input
QA - Analog output
QV - QV - Numeric output of a FB
You can assign the following operands to the function block inputs that are bit inputs:
Operands
Constant 0, constant 1
M – Markers
RN - Input bit via NET
SN - Output bit via NET (send)
easyE4 11/18 MN050009 EN www.eaton.com
6.1 Manufacturer function blocks
Note
The checkbox for the
Function block release by EN is
necessary
parameter must first be enabled
Reset the counter to zero
Integer value range:
-2,147,483,648 to +2,147,483,647
When there is a rising edge at SE, this
value will be applied as the counter
value.
Integer value range:
-2,147,483,648 to +2,147,483,647
Value inputs
x
x
x
x
x
x
x
Bit inputs
x
x
x
x
6. Function blocks
219