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FX3G Series Programmable Controllers
User's Manual - Hardware Edition
Table of Contents
9.2 Cable Connecting Procedures .................................................................................................... 125
9.2.1 Input/output terminal block (power supply and input/output wiring)............................................. 125
9.2.2 Input/output connectors............................................................................................................... 128
9.2.3 Terminal block for Europe [expansion board and special adapters]............................................ 129
9.2.4 Grounding terminal of the FX
3G-485-BD-RJ ............................................................................... 130
9.2.5 Grounding terminal of the FX3U-ENET-ADP............................................................................... 131
9.3 Grounding ................................................................................................................................... 132
9.4 Examples of External Wiring [AC Power Supply Type]............................................................... 133
9.4.1 Example of input/output wiring with 24V DC service power supply............................................. 133
9.4.2 Example of sink input [-common] wiring...................................................................................... 134
9.4.3 Example of source input [+common] wiring................................................................................. 135
9.4.4 An external wiring example for the extension power supply unit (sink input [-common]) ............ 136
9.4.5 An external wiring example for the extension power supply unit (source input [+common]) ....... 137
9.5 Examples of External Wiring [DC Power Supply Type]............................................................... 138
9.5.1 Example of sink input [-common] wiring...................................................................................... 138
9.5.2 Example of source input [+common] wiring................................................................................. 139
10. Input Wiring Procedures 140
10.1 Before Starting Input Wiring...................................................................................................... 142
10.1.1 Sink and source input ................................................................................................................ 142
10.2 24V DC input (Sink and source input type) ............................................................................... 144
10.2.1 Handling of 24V DC input.......................................................................................................... 144
10.2.2 Instructions for connecting input devices................................................................................... 145
10.2.3 Examples of external wiring (sink input) [AC Power Supply Type]............................................ 147
10.2.4 Examples of external wiring (source input) [AC Power Supply Type] ....................................... 149
10.2.5 Examples of external wiring (sink input) [DC Power Supply Type]............................................ 150
10.2.6 Examples of external wiring (source input) [DC Power Supply Type] ....................................... 152
10.3 100V AC Input........................................................................................................................... 153
10.3.1 Input specifications .................................................................................................................... 153
10.3.2 Handling of 100V AC Input........................................................................................................ 153
10.3.3 Examples of external wiring (100V AC input) ............................................................................ 154
10.4 Input Interruption (I00 to I50) .............................................................................................. 155
10.4.1 Allocation of pointers to input numbers (input signal ON/OFF duration) ................................... 155
10.4.2 Cautions for input interruption ................................................................................................... 155
10.4.3 Examples of external wiring....................................................................................................... 156
10.5 Pulse Catch (M8170 to M8175) ................................................................................................ 157
10.5.1 Allocation of special memories to input numbers (ON duration of input signals) ...................... 157
10.5.2 Cautions for pulse catch............................................................................................................ 157
10.5.3 Examples of external wiring....................................................................................................... 158
10.6 Pulse width/Pulse period measurement function (Supported in Ver. 1.10 or later)................... 159
10.6.1 Allocation of special memories to input numbers ...................................................................... 159
10.6.2 Cautions for pulse width/period measurement function............................................................. 159
10.6.3 Examples of external wiring....................................................................................................... 160
11. Use of High-speed Counters 161
11.1 Outline....................................................................................................................................... 161
11.2 Types of Counting and Operations ........................................................................................... 161
11.2.1 Types and input signal forms..................................................................................................... 161
11.2.2 High-speed counter device notations ........................................................................................ 161
11.2.3 Cautions in connecting mating device....................................................................................... 161
11.3 List of Device Numbers and Functions ..................................................................................... 162
11.4 Allocation of Device Numbers to Input Numbers ...................................................................... 163
11.4.1 Allocation table .......................................................................................................................... 163
11.4.2 Restriction of redundant use of input numbers.......................................................................... 163
11.5 Handling of High-speed Counters............................................................................................. 164
11.5.1 1-phase 1-count input................................................................................................................ 164
11.5.2 1-phase 2-count input................................................................................................................ 165
11.5.3 2-phase 2-count input................................................................................................................ 166
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