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α
2 Simple Application Controllers
FB Name
Random
One Shot
[ROS]
Delayed
One Shot
[DOS]
Delayed
Alternate
[DAL]
Retentive
Set/Reset
[RSR]
Control
Display
[CDP]
Connect
[ _B ]
System
Outputs
FB Symbol
Description of Function Block
0 0
0
The Random One Shot Function Block
I
P
O
emits a random length single pulse to the
C
output.
R
O
S
0 0
0
The Delayed One Shot Function Block
I
P
O
emits a single pulse after a controlled delay
C
to the output.
D
O
S
0 0
0
The Delayed Alternate Function Block
I
P
O
alternates the status of the output with each
C
D
A
L
pulse after a controlled delay.
The Set/Reset Function Block either holds
an output ON (set) or releases the output
OFF (reset.) Priority can be given to either
0 0
0
i n p u t p i n i f b o t h i n p u t s h av e b e e n
S
P
O
energised. The default priority setting is
R
dedicated to the reset input pin. When the
R
S
R
power is turned OFF the function block will
use the last set or reset operation to control
the output.
The Control Display Function allows the
user to control the LCD image screens. The
f u n c t i o n b l o c k c a n o n l y b e s e t i n
AL-PCS/WIN-E software for
Controllers. When control bit N04 is ON, it
is possible to control the displayed User
Screen.
The Connect function block is an internal
device used to show the memory used by
input bits, system bits, AS-interface bits,
0
0
0
and the operation keys. No function block
I
O
appears on screen or is shown as being
used in the "Memory Configuration Usage"
_
B
dialog box. The purpose is only to calculate
the memory that is used by the bits listed
above.
Control for external devices through relays
and transistors.
Function Blocks 6
Memory
Use
19 Byte
20 Byte
16 Byte
14 Byte
α
*5
2 Series
10 Btye
10 Btye
Section
6.33
6.34
6.35
6.36
6.37
6.38
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6 - 5
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