"On" Delay; Latching "On" Delay - Siemens Simatic S5-101U Programming Instructions Manual

"ON" delay
The t i m e r i s s t a r t e d during t h e f i r s t
scanning c y c l e i f t h e r e s u l t o f t h e
l o g i c operation i s
"1".
The t i m e r remains
6 1 : :
ge
unaffected during subsequent processing
i f t h e r e s u l t o f t h e l o g i c o p e r a t i o n
The t i m e r i s loaded w i t h t h e s p e c i f i e d
i s "1".
value ( 9 ) . The number t o t h e r i g h t o f
t h e p o i n t i n d i c a t e s t h e time base:
The t i m e r i s set t o "0" ( r e s e t ) i f t h e 0
a
0.01
S
2 e 1
S
r e s u l t o f t h e l o g i c o p e r a t i o n i s "0".
1 2
0.1
S
3 a 1 0 s
Original
Statement
The AT o r O T scan r e s u l t s i n a
"1"
s i g n a l
Outputs B 1 and DE are d i g i t a l outputs.
when t h e time has elapsed and t h e r e s u l t
The time appears a t output
B1
(DE) i n
o f t h e l o g i c operation i s s t i l l present BCD.
a t t h e input.
STEP 5
representation
Latching "ON" delay
!list diagram flowchart
Ladder
Control system
The t i m e r i s s t a r t e d d u r i n g t h e f i r s t
The AT o r O T scans r e s u l t i n a "1" s i g n a l
scanning c y c l e i f t h e r e s u l t o f t h e
when t h e time has elapsed. The s i g n a l
l o g i c operation i s "1".
s t a t u s o n l y becomes "ON i f t h e t i m e r
i s r e s e t w i t h t h e RT operation.
The t i m e r i s unaffected if t h e r e s u l t
o f t h e l o g i c o p e r a t i o n i s "0". I
1 . 6 d
Q1.3
Original
STEP
5 representation
Statement Ladder Control system
list
I
I
diagram flowchart