Eaton easyE4

6. Function blocks
6.1 Manufacturer function blocks
Operands Value inputs
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
P device buttons
x
I - Bit input
x
Q - Bit output
x
Q - Bit output of a FB
x
2)
Only on projects with ≥ 2 base devices on NET
Function block outputs
 Description Note
(bit) 
Q1
1: transfer confirmation, if function block out-
put T_ is 1.

(DWord) 
QV
Passes the value at function block input I1 to
the operand connected to QV during the pro-
gram cycle in which a rising edge is detected
at T_.
Integer value range:
-2,147,483,648 to +2,147,483,647
Assigning operands
You can assign the following operands to the function block outputs that are numeric
outputs:
Assigning operands Value outputs
MB, MD, MW – Markers
x
NB, NW, ND – NET markers
2)
NET station n
x
QA – Analog output
x
I – Value input of a FB
x
2)
Only on projects with ≥ 2 base devices on NET 
You can assign the following operands to the function block outputs that are bit out-
puts:
easyE402/24 MN050009ENEaton.com
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