Eaton easyE4 Manual page 344

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6. Function blocks
6.1 Manufacturer function blocks
340
The function block and its parameters
Function block inputs
Description
(Bit)
EN
1: Activates the function block.
(DWord)
I1
Input value
Assigning operands
You can assign the following operands to the function block inputs that are numeric
inputs.
Operators
1)
Constant, timer constant
MD, MW, MB - Markers
NB, NW, ND - NET markers
nNB, nND, nND- NET markers
NET station n
IA - Analog input
QA - Analog output
QV - QV - Numeric output of a FB
1) Only on function blocks T, AC
2) Only on projects with ≥ 2 base devices on NET
You can assign the following operands to the function block inputs that are bit inputs:
Operators
Constant 0, constant 1
M – Markers
2)
RN - Input bit via NET
SN - Output bit via NET (send)
2)
N - Net marker bit
2)
nN - NET marker bit
NET station n
ID: Diagnostic alarm
LE - Output backlight
P device buttons
I - Bit input
Q - Bit output
Q - Bit output of a FB
2) Only on projects with ≥ 2 base devices on NET
easyE4 10/19 MN050009 EN www.eaton.com
Value inputs
x
x
2)
x
2)
x
x
x
x
Bit inputs
x
x
x
2)
x
x
x
x
x
x
x
x
x
Note
The checkbox for the
Function block release by EN is
necessary
parameter must first be enabled
Integer value range:
-2,147,483,648 to +2,147,483,647

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