8
FX3U Series Programmable Controllers
User's Manual - Hardware Edition
Table of Contents
13. Examples of Wiring for Various Uses 223
13.1 Notes about Examples of Wiring............................................................................................... 224
13.2 Digital Switch [DSW Instructions (FNC72)/BIN Instructions (FNC19)]...................................... 225
13.2.1 When DSW instructions are used.............................................................................................. 225
13.2.2 When BIN instructions are used................................................................................................ 228
13.3 Ten Key Input [TKY Instructions (FNC70)]................................................................................ 229
13.4 Hexadecimal Input [HKY Instructions (FNC71)]........................................................................ 230
13.5 Input Matrix [MTR Instructions (FNC 52)] ................................................................................. 233
13.6 Seven Segment with Latch [SEGL Instructions (FNC74)/BCD Instructions (FNC18)].............. 236
13.6.1 When SEGL instructions are used ............................................................................................ 236
13.6.2 When BCD instructions are used .............................................................................................. 238
14. Test Operation, Adjustment, Maintenance and Troubleshooting 240
14.1 Preparation for Test Operation.................................................................................................. 241
14.1.1 Preliminary inspection [power OFF] .......................................................................................... 241
14.1.2 Connection to built-in programming connector.......................................................................... 241
14.1.3 Writing of program and program check [power ON and PLC stopped] ..................................... 242
14.2 Running and Stopping Procedures [Power ON]........................................................................ 243
14.2.1 Methods of running and stopping .............................................................................................. 243
14.2.2 Use of several running/stopping methods .................................................................................244
14.3 Operation and Test [Power ON and PLC Running] .................................................................. 245
14.3.1 Self-diagnostic function ............................................................................................................. 245
14.3.2 Test functions ............................................................................................................................ 245
14.3.3 Program modification function................................................................................................... 246
14.4 Maintenance and Periodic Inspection ....................................................................................... 247
14.4.1 Procedures for checking model name....................................................................................... 247
14.4.2 Periodic inspection - battery life, etc.......................................................................................... 247
14.4.3 Maintenance - product life of relay contacts............................................................................. 248
14.4.4 Procedures for replacing battery ............................................................................................... 249
14.5 Troubleshooting with LEDs ....................................................................................................... 250
14.5.1 POWER LED [on/flashing/off].................................................................................................... 250
14.5.2 BATT LED [on/off] ..................................................................................................................... 250
14.5.3 ERROR LED [on/flashing/off] .................................................................................................... 251
14.6 Judgment by Error Codes and Representation of Error Codes ................................................ 252
14.6.1 Operation and check on display module (FX3U-7DM) .............................................................. 252
14.6.2 Operation and check by GX developer...................................................................................... 253
14.6.3 Representation of errors............................................................................................................ 254
14.6.4 Error Code List and Action ........................................................................................................ 255
14.7 Troubleshooting ....................................................................................................................... 261
14.7.1 Output does not operate (main unit and input/output extension blocks) ................................... 261
14.7.2 24V DC input does not operate (main unit and input/output extension blocks)......................... 261
14.7.3 Cautions in registering keyword ................................................................................................ 262
15. FX2N-32/48E*-* (Input/Output Powered Extension Units) 263
15.1 Outline....................................................................................................................................... 265
15.1.1 Product configuration................................................................................................................. 265
15.1.2 Product list................................................................................................................................. 265
15.2 Power Supply Specifications (Power Supply Input/24V DC Service Power Supply) ................ 266
15.2.1 Weight, accessories, etc............................................................................................................ 266
15.2.2 Part names ................................................................................................................................ 267
15.3 FX2N-32ER-ES/UL, FX2N-48ER-ES/UL, FX2N-48ER-DS ........................................................ 269
15.3.1 Product specifications................................................................................................................ 269
15.3.2 External dimensions .................................................................................................................. 270
15.3.3 Terminal layout.......................................................................................................................... 271
15.4 FX2N-32ET-ESS/UL, FX2N-48ET-ESS/UL, FX2N-48ET-DSS................................................... 272
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