AutomationDirect DL105, User Manual

Page: 191 / 350

Standard
RLL
Instructions
5--31
Standard RLL Instructions
Timer, Counter, and Shift Register Instructions
DL105 PLC User Manual, 3rd Edition
In the following example, a two input timer (accumulating timer) is used with a preset
of 3 seconds. The timer discrete status bit (T6) will turn on when the timer has timed
for 3 seconds. Notice in this example that the timer times for 1 second , stops for one
second, then resumes timing. The timer will reset when C10 turns on, turning the
discrete status bit off and resetting the timer current value to 0.
Handheld Programmer Keystrokes
X1
T6
TMRA T6
K30
C10
Y7
OUT
X1
C10
1 2 3 4 5 6 7 8 0
0 10 10 20 30 40 50 0 Current
Value
T6
Timing Diagram
Direct SOFT
1/10 Seconds
Seconds
Handheld Programmer Keystrokes (cont)
STR
$
STR
$
SHFT ENT
2
C
1
B
0
A
TMR
N
SHFT
0
A
3
D
0
A
ENT
STR
$
SHFT
MLR
T
ENT
OUT
GX
ENT
0
A
6
G
1
B
1
B
ENT
6
G
In the following example, a single input timer is used with a preset of 4.5 seconds.
Comparative contacts are used to energized Y3, Y4, and Y5 at one second intervals
respectively. The comparative contacts will turn off when the timer is reset.
Handheld Programmer Keystrokes
TA20 K10
TA20 K20
TA20 K30
Y4
OUT
Y3
OUT
Y5
OUT
X1
TMRA T20
K45
C10
X1
C10
1 2 3 4 5 6 7 8 0
0 10 10 20 30 40 50 0
Current
Value
Timing Diagram
Y3
Y4
Y5
T20
Direct SOFT
Handheld Programmer Keystrokes (cont)
1/10 Seconds
Seconds
STR
$
SHFT
MLR
T
2
C
0
A
ENT
OUT
GX
ENT
2
C
4
E
STR
$
SHFT
MLR
T
2
C
0
A
ENT
OUT
GX
ENT
3
D
5
F
STR
$
1
B
ENT
ENT
4
E
5
F
STR
$
SHFT
MLR
T
2
C
0
A
1
B
ENT
OUT
GX
ENT
3
D
STR
$
SHFT ENT
2
C
1
B
0
A
2
C
0
A
TMR
N
SHFT
0
A
0
A
0
A
0
A
Accumulating
Timer Example
using Discrete
Status Bits
Accumulator Timer
Example Using
Comparative
Contacts