Delta DVP-PLC User Manual

1 Basic Principles of PLC Ladder Diagram
DVP-PLC Application Manual
1-21
Example 14: How to enlarge the counting range
C6CNT Kn2
C5
X13
CNT
RST
C5
Kn1
X14
C5RST
Y1
C6
C6
The counting range of a 16-bit counter is 0 ~ 32,767. As
the circuit in the left hand side, using two counters can
increase the counting range to n1*n2. When the counting
of counter C5 reaches n1, C6 will start to count for one
time and reset for counting the pulses from X13. When
the counting of counter C6 reaches n2, the pulses from
input X13 will be n1*n2.
Example 15: Traffic light control (by using step ladder instruction)
Vertical
Light
Horizontal
Light
Traffic light control
Red light
Yellow
light
Green
light
Green
light
flashes
Vertical
light
Y0 Y1 Y2 Y2
Horizontal
light
Y10 Y11 Y12 Y12
On time 35 secs 5 secs 25 secs 5 secs
Timing Diagram:
Y0
Y1
Y2
Y10
Y11
Y12
Vertical
Light
Red
Yel low
Green
Horizontal
Light
Red
Yell ow
Green
25 secs
5 secs 5 secs
25 secs
5 secs
5 secs

Delta DVP-PLC Specifications

General

Manufacturer	Delta Electronics
Model	DVP-PLC
Category	Controller
Humidity	5% to 95% RH, non-condensing
Programming Language	Ladder Diagram (LD), Instruction List (IL), Sequential Function Chart (SFC)
CPU Type	Various, depending on the specific model within the DVP series (e.g., ES2, EX2, SX2, SA2, EH3, etc.)
Operating Temperature	Typically 0°C to 55°C (32°F to 131°F)
Storage Temperature	Typically -25°C to 70°C (-13°F to 158°F)