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FX3G Series Programmable Controllers
User's Manual - Hardware Edition
Table of Contents
9.2 Cable Connecting Procedures .................................................................................................... 124
9.2.1 Input/output terminal block (power supply and input/output wiring).............................................124
9.2.2 Input/output connectors...............................................................................................................127
9.2.3 Terminal block for Europe [expansion board and special adapters]............................................ 128
9.2.4 Grounding terminal of the FX
3G-485-BD-RJ ............................................................................... 129
9.2.5 Grounding terminal of the FX3U-ENET-ADP...............................................................................130
9.3 Grounding ................................................................................................................................... 131
9.4 Examples of External Wiring [AC Power Supply Type]............................................................... 132
9.4.1 Example of input/output wiring with 24V DC service power supply.............................................132
9.4.2 Example of sink input [-common] wiring...................................................................................... 133
9.4.3 Example of source input [+common] wiring.................................................................................134
9.4.4 An external wiring example for the extension power supply unit (sink input [-common]) ............ 135
9.4.5 An external wiring example for the extension power supply unit (source input [+common])....... 136
9.5 Examples of External Wiring [DC Power Supply Type]............................................................... 137
9.5.1 Example of sink input [-common] wiring...................................................................................... 137
9.5.2 Example of source input [+common] wiring.................................................................................138
10. Input Wiring Procedures 139
10.1 Before Starting Input Wiring...................................................................................................... 141
10.1.1 Sink and source input................................................................................................................ 141
10.2 24V DC input (Sink and source input type)............................................................................... 143
10.2.1 Handling of 24V DC input.......................................................................................................... 143
10.2.2 Instructions for connecting input devices................................................................................... 144
10.2.3 Examples of external wiring (sink input) [AC Power Supply Type]............................................146
10.2.4 Examples of external wiring (source input) [AC Power Supply Type] ....................................... 148
10.2.5 Examples of external wiring (sink input) [DC Power Supply Type]............................................ 149
10.2.6 Examples of external wiring (source input) [DC Power Supply Type] ....................................... 151
10.3 100V AC Input........................................................................................................................... 152
10.3.1 Input specifications.................................................................................................................... 152
10.3.2 Handling of 100V AC Input........................................................................................................ 152
10.3.3 Examples of external wiring (100V AC input)............................................................................ 153
10.4 Input Interruption (I00 to I50) .............................................................................................. 154
10.4.1 Allocation of pointers to input numbers (input signal ON/OFF duration) ................................... 154
10.4.2 Cautions for input interruption ................................................................................................... 154
10.4.3 Examples of external wiring.......................................................................................................155
10.5 Pulse Catch (M8170 to M8175) ................................................................................................ 156
10.5.1 Allocation of special memories to input numbers (ON duration of input signals) ......................156
10.5.2 Cautions for pulse catch............................................................................................................ 156
10.5.3 Examples of external wiring.......................................................................................................157
10.6 Pulse width/Pulse period measurement function (Supported in Ver. 1.10 or later)................... 158
10.6.1 Allocation of special memories to input numbers ...................................................................... 158
10.6.2 Cautions for pulse width/period measurement function.............................................................158
10.6.3 Examples of external wiring.......................................................................................................159
11. Use of High-speed Counters 160
11.1 Outline....................................................................................................................................... 160
11.2 Types of Counting and Operations ........................................................................................... 160
11.2.1 Types and input signal forms..................................................................................................... 160
11.2.2 High-speed counter device notations ........................................................................................ 160
11.2.3 Cautions in connecting mating device....................................................................................... 160
11.3 List of Device Numbers and Functions .....................................................................................161
11.4 Allocation of Device Numbers to Input Numbers ...................................................................... 162
11.4.1 Allocation table .......................................................................................................................... 162
11.4.2 Restriction of redundant use of input numbers..........................................................................162
11.5 Handling of High-speed Counters............................................................................................. 163
11.5.1 1-phase 1-count input................................................................................................................ 163
11.5.2 1-phase 2-count input................................................................................................................ 164
11.5.3 2-phase 2-count input................................................................................................................ 165