4.2.2 Wiring I/O Modules ........................................................................ 4-5 Chapter 5 Devices 5.1 Introduction of Devices ......................................................................... 5-2 5.1.1 Device Table ................................................................................. 5-2 5.1.2 Basic Structure of I/O Storages ....................................................... 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.
Device Functions .................................................................................. 5-6 5.2.1 Values and Constants ..................................................................... 5-6 5.2.2 Floating-point Numbers .................................................................. 5-9 5.2.3 Strings ....................................................................................... 5-11 5.2.4 Input Relays (X) .......................................................................... 5-12 5.2.5 Output Relays (Y) ........................................................................
5-13 5.2.6 Auxiliary Relays (M) ..................................................................... 5-13 5.2.7 Special Auxiliary Relays (SM) ........................................................ 5-13 5.2.8 Stepping Relays (S) ..................................................................... 5-14 5.2.9 Timers (T) ................................................................................... 5-14 5.2.10 16-bit Counters ........................................................................... 5-16 5.2.11 32-bit Counters (HC) ....................................................................
5-18 5.2.12 Data Registers (D) ....................................................................... 5-20 5.2.13 Special Data Registers (SR)........................................................... 5-21 5.2.14 Index Register (E) ........................................................................ 5-21 5.2.15 File Registers (FR)........................................................................ 5-21 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 ....................................................................................... 6-3 6.2 Procedure for Creating a Project in ISPSoft ....................................... 6-3 6.3 Creating a Project .............................................................................. 6-4 6.4 Hardware Configuration .................................................................... 6-5 6.4.1 Configuring a Module ......................................................................
6-5 6.4.2 Setting the Parameters ................................................................... 6-5 6.5 Creating a Program ........................................................................... 6-7 iii