5
FX3UC Series Programmable Controllers
User's Manual - Hardware Edition
Table of Contents
4. Power Supply Specifications and External wiring 128
4.1 Selection of the external DC power supply to prepare................................................................ 130
4.1.1 Power supply specifications ........................................................................................................ 130
4.1.2 The input range of power supply voltage..................................................................................... 131
4.1.3 Power consumption of the extension equipment......................................................................... 131
4.2 Example External Wiring............................................................................................................. 132
5. Input Specifications and External wiring 134
5.1 Sink and source input (24V DC input type)................................................................................. 136
5.2 24V DC Input Type...................................................................................................................... 137
5.2.1 24V DC Input Specifications........................................................................................................ 137
5.2.2 Input Derating Curve ................................................................................................................... 139
5.2.3 Handling of 24V DC input............................................................................................................ 140
5.2.4 Instructions for connecting input devices..................................................................................... 142
5.2.5 Examples of external wiring......................................................................................................... 144
5.3 5V Input [FX2N-16EXL-C]............................................................................................................ 147
5.3.1 5V DC input specifications........................................................................................................... 147
5.3.2 Handling of 5V DC Input.............................................................................................................. 147
5.3.3 Example of external wiring .......................................................................................................... 148
5.4 AC input [FX2N-8EX-UA1/UL, FX0N-8EX-UA1/UL] ..................................................................... 149
5.4.1 AC input specifications ................................................................................................................ 149
5.4.2 Handling of 100V AC Input.......................................................................................................... 149
5.4.3 Example of external wiring .......................................................................................................... 150
5.5 High-speed Counters (C235 to C255)......................................................................................... 151
5.5.1 High-speed counter type and device number.............................................................................. 151
5.5.2 Input allocation of the High-Speed Counter................................................................................. 154
5.5.3 Current Value Update Timing and Comparison of Current Value ............................................... 155
5.5.4 Related Devices (High-speed counter)........................................................................................ 156
5.5.5 [Function switching] switching of logic of external reset input signal........................................... 157
5.5.6 [Function switching] switching of allocation and functions of input terminals .............................. 158
5.5.7 [Function switching] procedures for using 2-phase 2-count input counters
C251 to C255 in 4 edge count mode ...................................................................................... 159
5.5.8 Conditions for Hardware Counter to be Handled as Software Counter....................................... 160
5.5.9 Calculation of Response Frequency and Overall Frequency ...................................................... 161
5.6 Input Interruption (I00 to I50) - With Delay Function............................................................. 164
5.7 Pulse Catch (M8170 to M8177) .................................................................................................. 165
6. Output Specification and External Wiring 166
6.1 Sink and Source Output (Transistor)........................................................................................... 168
6.2 Transistor Output ........................................................................................................................ 169
6.2.1 Transistor Output Specifications (Sink output type) .................................................................... 169
6.2.2 Transistor Output Specifications (Source output type)................................................................ 171
6.2.3 Output Derating Curve................................................................................................................. 172
6.2.4 Handling of transistor output........................................................................................................ 172
6.2.5 External wiring precautions ......................................................................................................... 175
6.2.6 Example of external wiring .......................................................................................................... 176
6.3 Relay Output [FX2NC/FX0N/FX2N Extension Blocks]................................................................... 178
6.3.1 Specifications .............................................................................................................................. 178
6.3.2 Product life of relay contacts ....................................................................................................... 179
6.3.3 Handling of relay output............................................................................................................... 180
6.3.4 External wiring precautions ......................................................................................................... 181
6.3.5 Example of external wiring .......................................................................................................... 182
6.4 Triac (SSR) Output [FX2N-16EYS].............................................................................................. 183
6.4.1 Specifications .............................................................................................................................. 183
6.4.2 Handling of triac output................................................................................................................ 183
6.4.3 External wiring precautions ......................................................................................................... 184
6.4.4 Example of external wiring .......................................................................................................... 185
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