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iii

4.2.11 Wiring DVP-SV3/SX3 Communication Ports ................................ 4-54

Chapter 5 Devices

5.1 Introduction to CPU Devices .................................................................. 5-2

5.1.1 Device Table ................................................................................ 5-2

5.1.2 Basic Structure of I/O Storage ........................................................ 5-3

5.1.3 Relation Between the PLC Action and the Device Type ........................ 5-4

5.1.4 Latched Areas in the Device Range .................................................. 5-5

5.2. CPU Device Functions ........................................................................... 5-6

5.2.1 Values and Constants .................................................................... 5-6

5.2.2 Floating-point Numbers .................................................................. 5-8

5.2.3 Strings ...................................................................................... 5-10

5.2.4 Input Relays (X) ......................................................................... 5-11

5.2.5 Output Relays (Y) ....................................................................... 5-12

5.2.6 Auxiliary Relays (M) .................................................................... 5-12

5.2.7 Special Auxiliary Relays (SM) ........................................................ 5-12

5.2.8 Flags (S) ................................................................................... 5-13

5.2.9 Timers (T) ................................................................................. 5-13

5.2.10 Counters .................................................................................... 5-15

5.2.11 32-bit Counters (HC) ................................................................... 5-17

5.2.12 Data Registers (D) ...................................................................... 5-19

5.2.13 Special Data Registers (SR) .......................................................... 5-19

5.2.14 Index Register (E) ....................................................................... 5-19

5.2.15 File Registers (FR) ....................................................................... 5-20

Chapter 6 Writing a Program

6.1 Quick Start ........................................................................................ 6-2

6.1.1 Example ...................................................................................... 6-2

6.1.2 Hardware ..................................................................................... 6-3

6.1.3 Program ...................................................................................... 6-3

6.2 Procedure for Creating a Project in ISPSoft ....................................... 6-4

6.3 Creating a Project .............................................................................. 6-5

6.4 Hardware Configuration .................................................................... 6-6

Delta DVP-ES3 Series Hardware Manual

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