Table of Contents
Advertisement
4.6.4
Setting a Real-time Clock ............................................................. 4-46
Chapter 5 Understanding Common Devices
5.1.
Introduction ................................................................................... 5-2
5.2.
Common Devices ............................................................................ 5-2
5.2.1.
Functions of Common Devices ......................................................... 5-2
5.2.2.
Device List ................................................................................... 5-2
5.2.3.
Latched Devices ............................................................................ 5-4
5.2.4.
Input Relays (X) ........................................................................... 5-5
5.2.5.
Output Relays (Y) ......................................................................... 5-5
5.2.6.
Auxiliary Relays (M) ...................................................................... 5-6
5.2.7.
Special Auxiliary Relays (SM/AM) .................................................... 5-6
5.2.8.
Data Registers (D) ........................................................................ 5-6
5.2.9.
Special Data Registers (SR/AR) ....................................................... 5-7
5.2.10.
Link Registers (L) .......................................................................... 5-7
5.2.11.
Stepping Relays (S) ....................................................................... 5-7
5.2.12.
Timers (T) .................................................................................... 5-7
5.2.13.
Counters (C) ................................................................................ 5-9
5.2.14.
32-bit Counters (HC/AC) .............................................................. 5-10
5.2.15.
Index Registers (E) ..................................................................... 5-10
5.2.16.
Values and Constants (K, 16#) ..................................................... 5-11
5.2.17.
Floating-point Numbers (F, DF) ..................................................... 5-12
5.2.18.
5.3.
EtherCAT Symbols ........................................................................ 5-16
5.4.
Symbols ........................................................................................ 5-16
5.4.1
Application of Symbols ................................................................. 5-16
5.4.2
Classes ...................................................................................... 5-16
5.4.3
Data Types ................................................................................. 5-17
5.4.4
Using Devices, Symbols and Instructions ........................................ 5-18
5.4.5
Modifying a Symbol with an Index Register ..................................... 5-19
5.5.
User-defined Data Type (ENUM) ................................................... 5-20
6.1
Motion Control Devices ................................................................... 6-2
i i i
Advertisement
Table of Contents
Troubleshooting
