6. Function blocks
6.1 Manufacturer function blocks
You can assign the following operands to the function block outputs that are bit out-
puts:
Assigning operands Bit outputs
M - Markers
x
SN – Output bit via NET (send)
2)
SN - Output
bit via NET (send)
x
N – Network marker bit
2)
x
LE – Output backlight
x
Q – Bit output
x
I – Bit input of a FB
x
2)
Only on projects with ≥ 2 base devices on NET 
Function block release by EN is necessary
Parameter set
 Description Note

If this checkbox is enabled, the
state of function block input EN will
be evaluated. If the checkbox is dis-
abled instead, the function block
will be enabled and function block
input EN will not do anything.
This parameter ensures that
when existing programs are
copied, the functionality of the
function blocks that are carried
over will be retained. The para-
meter will be automatically set to
0 or 1 depending on the function
block.
Parameter display
+ Call enabled
Constants can be edited on the
device, as can function block para-
meters when using the EDP pro-
gramming language.

Simulation possible


Other
Retention
The function block does not recognize retentive data.
See also
 → Section "AC - Astronomic clock ", page 295
 → Section "HW - Weekly timer (Hour Week)", page 244
 → Section "HY - Year time switch (Hora Year)", page 254
 → Section "OT - Operating hours counter ", page 264
 → Section "T - Timing relay", page 272
 → Section "WT - Weekly timer (WeekTable)", page 291
 → Section "YT - Year time switch (Year Table)", page 284
easyE402/24 MN050009ENEaton.com
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