4.2.2 Wiring I/O Modules ..................................................................................... 4-7 Chapter 5 Devices 5.1 Introduction of Devices ............................................................................................. 5-2 5.1.1 Devise Table ............................................................................................... 5-2 5.1.2 Basic Structure of I/O Storages ................................................................... 5-4 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 Functions of Devices .......................................................................................... 5-6 5.2.1 Values and Constants ........................................................................................ 5-6 5.2.2 Floating-point Numbers ..................................................................................... 5-7 5.2.3 Strings ......................................................................................................... 5-7 5.2.4 Input Relays ................................................................................................
5-7 5.2.6 Auxiliary Relays .......................................................................................... 5-7 5.2.5 Output Relays ............................................................................................. 5-7 5.2.7 Special Auxiliary Relays .............................................................................. 5-8 5.2.8 Stepping Relays .......................................................................................... 5-8 5.2.9 Timers .........................................................................................................
5-8 5.2.10 Counters ................................................................................................. 5-9 5.2.11 32-bit Counters........................................................................................ 5-9 5.2.12 Data Registers ...................................................................................... 5-10 5.2.13 Special Data Registers .......................................................................... 5-10 5.2.14 Link Registers ....................................................................................... 5-10 5.2.15 Index Registers .....................................................................................
5-10 Chapter 6 Writing a Program 6.1 Quick Start .......................................................................................................... 6-2 6.1.1 Example ...................................................................................................... 6-2 6.1.2 Hardware .................................................................................................... 6-2 6.1.3 Program ...................................................................................................... 6-2 6.2 Procedure for Creating a Project in ISPSoft ........................................................
6-3 6.3 Creating a Project ............................................................................................... 6-3 6.4 Hardware Configuration ...................................................................................... 6-4 6.4.2 Setting the Parameters in a CPU Module and a Module ............................. 6-6 6.4.1 Configuring a Module .................................................................................. 6-5 6.5 Creating a Program ............................................................................................ 6-8 6.5.1 Adding a Ladder Diagram ...........................................................................
6-9 6.5.2 Basic Editing─Creating a Contact and a Coil ............................................ 6-11 iii