Chapter 3 Devices Table of Contents 3.1 Device List ................................................................................................ 3-2 3.2 Values, Constants, and Floating-point Numbers ....................................... 3-2 3.3 External Input Devices and External Output Devices ............................... 3-4 3.4 Auxiliary Relays ........................................................................................ 3-6 3.5 Special Auxiliary Relays............................................................................ 3-6 3.6 Stepping Relays .......................................................................................
3-6 3.7 Timers ...................................................................................................... 3-6 3.8 Counters ...................................................................................................
3-7 3.9 Data Registers and Index Registers ........................................................3-12 3.9.1 Data Registers ..................................................................................3-12 3.9.2 Index Registers ................................................................................3-12 3.10 Special Data Registers .........................................................................3-13 3.11 Pointers ................................................................................................3-13 3.12 Specail Auxiliary Relays and Special Data Registers ...........................3-14 3.12.1 Special Auxiliary Relays ................................................................3-14 3.12.2 Special Data Registers .................................................................3-18 3.13 Functions of Special Auxiliary Relays and Special Data Registers ......3-28 3.14 Special Data Registers for Motion Axes ...............................................3-40 3-1