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.
0: Resets all function block outputs.
The checkbox for the
Function block release by EN is neces-
sary
parameter must first be enabled
T_
Trigger input
When there is a rising edge at T_, the value at
function block input NO will be read. There
must be a valid value at function block input
NO before T is set to 1 – otherwise, the func-
tion block will signal an error at E1.

(DWord) 
NO
The number of the recipe with the record that
should be output at function block outputs D1
through D8.
Number
of records
1…32
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
nN - NET marker bit
2)
NET station n
x
ID: Diagnostic alarm
x
LE - Output backlight
x
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Eaton easyE4 Specifications

General

Brand	Eaton
Model	easyE4
Category	Relays
Language	English