6. Function blocks
6.1 Manufacturer function blocks
Description Note
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 x
MD, MW, MB - Markers x
NB, NW, ND - NET markers x
nNB, nND, nND- NET markers
NET stations n
x
IA - Analog input x
QA - Analog output x
QV - QV - Numeric output of a FB x
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 x
SN - Output bit via NET (send) x
N - Net marker bit x
nN - NET marker bit NET station n x
ID: Diagnostic alarm x
LE - Output backlight x
P buttons x
I - Bit input x
Q - Bit output x
Q - Bit output of a FB x
Operating modes
Description Note
BIT Marker bit shift operation
DW Marker double word shift operation
The factory setting of this parameter is BIT.
easyE4 11/18 MN050009 EN www.eaton.com
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