Delta DVP-PLC User Manual

DVP-PLC Application Manual
【Programming】
Table of Contents
Chapter 1 Basic Principles of PLC Ladder Diagram
Foreword: Background and Functions of PLC.......................................................... 1-1
1.1 The Working Principles of Ladder Diagram........................................................ 1-1
1.2 Differences Between Traditional Ladder Diagram and PLC Ladder Diagram........ 1-2
1.3 Edition Explanation of Ladder Diagram ............................................................. 1-3
1.4 How to Edit Ladder Diagram............................................................................. 1-8
1.5 The Conversion of PLC Command and Each Diagram Structure ......................... 1-12
1.6 Simplified Ladder Diagram ............................................................................... 1-15
1.7 Basic Program Designing Examples.................................................................. 1-17
Chapter 2 Functions of Devices in DVP-PLC
2.1 All Devices in DVP-PLC.................................................................................... 2-1
2.2 Values, Constants [K] / [H] ............................................................................... 2-6
2.3 Numbering and Functions of External Input/Output Contacts [X] / [Y].................. 2-8
2.4 Numbering and Functions of Auxiliary Relays [M] .............................................. 2-11
2.5 Numbering and Functions of Step Relays [S]..................................................... 2-11
2.6 Numbering and Functions of Timers [T]............................................................. 2-12
2.7 Numbering and Functions of Counters [C]......................................................... 2-14
2.8 Numbering and Functions of Registers [D], [E], [F] ............................................ 2-28
2.8.1 Data register [D] ........................................................................................ 2-28
2.8.2 Index Register [E], [F]................................................................................ 2-29
2.8.3 Functions and Features of File Registers .................................................... 2-30
2.9 Pointer [N], Pointer [P], Interruption Pointer [I] .................................................. 2-30
2.10 Special Auxiliary Relays and Special Data Registers........................................ 2-33
2.11 Functions of Special Auxiliary Relays and Special Registers............................. 2-69
2.12 Error Codes................................................................................................... 2-125
Chapter 3 Basic Instructions
3.1 Basic Instructions and Step Ladder Instructions ................................................ 3-1
3.2 Explanations on Basic Instructions ................................................................... 3-3

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)