Eaton easyE4 - Page 581

6. Function blocks
6.2 Interrupt function blocks
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
Operating modes

Description Note
Rising edge
Rising edge: Runs the interrupt program once
after delay TD.

Falling edge
Falling edge: Runs the interrupt program once
after delay TD.

Both edges
Rising edge and falling edge at input: Runs the
interrupt program after delay TD each time.

Function block outputs

Description Note
(bit)
Q1
Bit output used to provide operand states from
the interrupt program to the main program.

Q2
Q3
Q4
(DWord)
QV
Actual elapsed delay (TD) time

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 
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