Mitsubishi Electric FX3S-10M series, User Manual

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Table of Contents
FX
3S
Series Programmable Controllers
User's Manual - Hardware Edition
8. Preparation for Wiring and Power Supply Wiring Procedures 64
8.1 Preparation for Wiring ................................................................................................................... 66
8.1.1 Wiring procedures ......................................................................................................................... 66
8.2 Cable Connecting Procedures ...................................................................................................... 67
8.2.1 Terminal block [Main unit].............................................................................................................. 67
8.2.2 Terminal block (for European) [expansion board and special adapters] ....................................... 68
8.2.3 Grounding terminal of the FX
3G
-485-BD-RJ ................................................................................. 69
8.2.4 Grounding terminal of the FX
3U
-ENET-ADP................................................................................. 70
8.3 Grounding ..................................................................................................................................... 71
8.4 Examples of External Wiring [AC power type] .............................................................................. 72
8.5 Examples of External Wiring [DC power type] .............................................................................. 73
9. Input Wiring Procedures 74
9.1 Before Starting Input Wiring .......................................................................................................... 76
9.1.1 Sink and source input .................................................................................................................... 76
9.2 24 V DC input (Sink and source input type) .................................................................................. 77
9.2.1 Handling of 24 V DC input ............................................................................................................. 77
9.2.2 Instructions for connecting input devices....................................................................................... 78
9.2.3 Examples of external wiring [AC power type] ................................................................................ 80
9.2.4 Examples of external wiring [DC power type]................................................................................ 81
9.3 Input Interruption (I00

to I50

) .................................................................................................. 82
9.3.1 Allocation of pointers to input numbers (input signal ON/OFF duration) ....................................... 82
9.3.2 Cautions for input interruption ....................................................................................................... 82
9.3.3 Examples of external wiring........................................................................................................... 83
9.4 Pulse Catch (M8170 to M8175) .................................................................................................... 84
9.4.1 Allocation of special memories to input numbers (ON duration of input signals) .......................... 84
9.4.2 Cautions for pulse catch ................................................................................................................ 84
9.4.3 Examples of external wiring........................................................................................................... 85
10. Use of High-speed Counters 86
10.1 Outline......................................................................................................................................... 86
10.2 Types of Counting and Operations ............................................................................................. 86
10.2.1 Types and input signal forms....................................................................................................... 86
10.2.2 High-speed counter device notations .......................................................................................... 86
10.2.3 Cautions in connecting mating device ......................................................................................... 86
10.3 List of Device Numbers and Functions ....................................................................................... 87
10.4 Allocation of Device Numbers to Input Numbers ........................................................................ 88
10.4.1 Allocation table ............................................................................................................................ 88
10.4.2 Restriction of redundant use of input numbers............................................................................ 88
10.5 Handling of High-speed Counters ............................................................................................... 89
10.5.1 1-phase 1-count input.................................................................................................................. 89
10.5.2 1-phase 2-count input.................................................................................................................. 90
10.5.3 2-phase 2-count input.................................................................................................................. 91
10.6 Timing of Updating of Current Value and Comparison of Current Value .................................... 92
10.6.1 Timing of updating of current value ............................................................................................. 92
10.6.2 Comparison of current value ....................................................................................................... 92
10.7 Response Frequency and Overall Frequency............................................................................. 93
10.8 Examples of External Wiring (Rotary Encoder)........................................................................... 94
10.8.1 1-phase 1-input [C235 to C245] .................................................................................................. 94
10.8.2 2-phase 2-input [C251 to C255] .................................................................................................. 95
10.9 Related Devices and Function Switching Procedures ................................................................ 96
10.9.1 Related devices ........................................................................................................................... 96
10.9.2 [Function switching] switching of allocation and functions of input terminals .............................. 97
10.10 Cautions on Use........................................................................................................................ 97