7
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
Table of Contents
12.3 External Wiring for Triac (SSR) Output Type ............................................................................ 150
12.3.1 Handling of triac output.............................................................................................................. 150
12.3.2 External wiring precautions ....................................................................................................... 151
12.3.3 Example of external wiring ........................................................................................................ 152
13. Examples of Wiring for Various Uses 153
13.1 Notes about Examples of Wiring............................................................................................... 154
13.2 Digital Switch [DSW Instructions (FNC72)/BIN Instructions (FNC19)]...................................... 155
13.2.1 When DSW instructions are used.............................................................................................. 155
13.2.2 When BIN instructions are used................................................................................................ 157
13.3 Input Matrix [MTR Instructions (FNC 52)] ................................................................................. 158
13.4 Seven Segment with Latch [SEGL Instructions (FNC74)/BCD Instructions (FNC18)].............. 160
13.4.1 When SEGL instructions are used ............................................................................................ 160
13.4.2 When BCD instructions are used .............................................................................................. 162
14. Test Operation, Adjustment, Maintenance and Troubleshooting 164
14.1 Preparation for Test Operation.................................................................................................. 165
14.1.1 Preliminary inspection [power OFF] .......................................................................................... 165
14.1.2 Connection to built-in programming connector (RS-422) .......................................................... 165
14.1.3 Connection to built-in programming connector (USB) ............................................................... 166
14.1.4 Writing of program and program check [power ON and PLC stopped] ..................................... 167
14.2 Running and Stopping Procedures [Power ON]........................................................................ 168
14.2.1 Methods of running and stopping .............................................................................................. 168
14.2.2 Use of several running/stopping methods ................................................................................. 169
14.3 Operation and Test [Power ON and PLC Running] .................................................................. 170
14.3.1 Self-diagnostic function ............................................................................................................. 170
14.3.2 Test functions ............................................................................................................................ 170
14.3.3 Program modification function ................................................................................................... 170
14.3.4 Built-in variable analog potentiometer function.......................................................................... 171
14.4 Maintenance and Periodic Inspection ....................................................................................... 172
14.4.1 Procedures for checking model name ....................................................................................... 172
14.4.2 Periodic inspection - battery life, etc.......................................................................................... 172
14.4.3 Maintenance - product life of relay contacts............................................................................. 173
14.5 Troubleshooting with LEDs ....................................................................................................... 175
14.5.1 POW LED [on/flashing/off]......................................................................................................... 175
14.5.2 ALM LED [on/off] ....................................................................................................................... 175
14.5.3 ERR LED [on/flashing/off].......................................................................................................... 176
14.6 Judgment by Error Codes and Representation of Error Codes ................................................ 177
14.6.1 Operation and check by GX Developer ..................................................................................... 177
14.6.2 Operation and check on display module (FX
3G-5DM) .............................................................. 178
14.6.3 Representation of errors............................................................................................................ 179
14.6.4 Error Code List and Action ........................................................................................................ 180
14.7 Troubleshooting ........................................................................................................................ 186
14.7.1 Output does not operate (main unit and input/output extension blocks) ................................... 186
14.7.2 24V DC input does not operate (main unit and input/output extension blocks)......................... 186
14.7.3 Cautions in registering keyword ................................................................................................ 187
15. Input/Output Powered Extension Units 188
15.1 Outline....................................................................................................................................... 190
15.1.1 Product configuration................................................................................................................. 190
15.1.2 Product list................................................................................................................................. 190
15.2 Power supply specifications ...................................................................................................... 191
15.2.1 Weight, accessories, etc............................................................................................................ 191
15.2.2 Part names ................................................................................................................................ 192
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