Eaton easyE4 User Manual

6. Function blocks
6.1 Manufacturer function blocks
The function block and its parameters
Function block inputs
 Description Note
(bit) 
EN
1: Activates the function block.
The checkbox for the
Function block release by EN is neces-
sary
parameter must first be enabled
FP
Forward Pulse
Single
Clock input, shift register forward

BP
Backward Pulse
Clock input, shift register backward

RE
Reset
1 clears the entire output register Q1...Q8 and
D1...D8.

FD
Bit data input, shift register forward

BD
Bit data input, shift register backward

(DWord)
I1
Input value for shift direction forwards
Integer value range:
-2,147,483,648 to +2,147,483,647

I2
Input value for shift direction backwards
Assigning operands
You can assign the following operands to the function block inputs that are numeric
inputs.
Operands Value inputs
Constant, timer constant
1)
x
MD, MW, MB - Markers
x
NB, NW, ND - NET markers
2)
x
nNB, nND, nND- NET markers
2)
NET station n
x
IA - Analog input
x
QA - Analog output
x
QV - QV - Numeric output of a FB
x
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:
Operands Bit inputs
Constant 0, constant 1
x
M - Markers
x
RN - Input bit via NET
2)
x
SN - Output bit via NET (send)
2)
x
N - Net marker bit
2)
x
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Eaton easyE4 Specifications

General

Brand	Eaton
Model	easyE4
Category	Relays
Language	English