α
2 Simple Application Controllers
Function Blocks 6
6 - 88
3 ) Press the “OK” key to set the Time unit for the random delayed output.
Choose either a 10ms, 100ms or 1s time interval using the “ and ” keys to highlight the
option and press the “OK” key when ready.
4 ) Return to the function block edit screen. Using the “ and ” keys highlight the Setup FB
and press the “OK” key.
5 ) A RandomVal in conjunction with the specified time units allocated earlier can be entered
from pressing the “OK” key having highlighted the RandomVal option using the “ and ”
keys. Press the “ ” key hence highlighting the 0s time value and use the “+ or -” keys to
enter a time value. Press the “OK” key to accept and return to the function block setting
screen.
6 ) Highlight the Limit:L,H option and press the “OK” key. A high and low limit can be set for
the Random One Shot function block. Using the “ , , + and -” keys enter values for the
high and low limits in accordance with the time intervals specified earlier.
7 ) Press the “OK” key to accept the High and Low limit subsequently. Use the “ESC” key to
return to the FBd.
T i me
u n i t
1 0 0
s
m
1 0 m s
1
s
B 0 0 1 : R S
O
R a n d o
V
m a l
L i m i t
L
=
, H
B 0 0 1 : R S
O
R a n d o
V
m a l
.
0
0 s
t =
.
0
0 s
B 0 0 1 : R S
O
L i m i t
L
:
, H
.
0
1 s
L
=
.
0
1 s
H
=
