10
FX3UC Series Programmable Controllers
User’s Manual - Hardware Edition
Table of Contents
10.19 Operation Button ON/OFF Information ................................................................................... 357
10.19.1 Various applications ................................................................................................................ 357
10.19.2 System information - operation button ON/OFF information ................................................... 357
10.20 User (User-Registered Device Setting)................................................................................... 358
10.20.1 System information - user-registered device setting ............................................................... 358
10.20.2 Precaution when setting 3 or fewer devices............................................................................ 358
10.20.3 Program example 1 (when 4 devices are displayed as user-registered devices) ................... 359
10.20.4 Program example 2
(when 3 or fewer devices are displayed as user-registered devices)..................................... 360
10.20.5 Program example 3
(when 5 or more devices are displayed as user-registered devices)...................................... 361
10.21 User Message Display Function ............................................................................................. 363
10.21.1 System information - user message display function .............................................................. 363
10.21.2 Shift JIS code arrangement precautions .................................................................................363
10.21.3 Displaying a word device current value as a message............................................................ 364
10.21.4 Program example 1 (user messages display switching) ......................................................... 364
10.21.5 Program example 2 ([+]/[-] buttons of user messages switching) ........................................... 365
10.21.6 Program example 3 (user messages plus data display).......................................................... 366
10.21.7 Character data input procedure............................................................................................... 369
10.22 Operation Error Messages & Corrective Actions .................................................................... 372
10.22.1 When a "Fatal error occurred" message appears ................................................................... 373
10.23 Menu Display Characters - Japanese & English Display Character Correspondence Table. .. 374
11. Memory Cassette/Battery 375
11.1 Memory Cassette (FX3U-FLROM-16/64/64L) ........................................................................... 375
11.1.1 Specifications ............................................................................................................................ 375
11.1.2 Component names & external dimensions................................................................................ 375
11.1.3 Saved Data Content .................................................................................................................. 376
11.1.4 PROTECT switch setting........................................................................................................... 376
11.1.5 PROTECT switch operation ...................................................................................................... 377
11.2 Memory Cassette <-> PLC (RAM Memory) Transfers by Loader Function .............................. 378
11.2.1 Tool for pressing the [WR] and [RD] keys ................................................................................. 378
11.2.2 Writing (WR: 64L -> PLC).......................................................................................................... 378
11.2.3 Reading (RD: 64L <- PLC) ........................................................................................................ 379
11.3 Transfers By Display Module Operation ................................................................................... 379
11.4 Operation Precautions .............................................................................................................. 379
11.5 FX
3U-32BL (Battery).................................................................................................................. 380
11.5.1 Specifications ............................................................................................................................ 380
11.5.2 Battery Purpose......................................................................................................................... 380
11.5.3 Special "battery low-voltage" device & notification program example ....................................... 380
11.5.4 Battery life & replacement guidelines ........................................................................................ 381
11.5.5 Battery-Free Operation.............................................................................................................. 381
11.5.6 Differences between main unit’s internal battery and the optional battery ................................ 381
11.5.7 Reading the date of manufacture .............................................................................................. 382
11.5.8 Battery Related Precautions...................................................................................................... 382
12. Test Operation, Adjustment, Maintenance and Troubleshooting 383
12.1 Preparation for Test Operation.................................................................................................. 384
12.1.1 Preliminary inspection [power OFF] .......................................................................................... 384
12.1.2 Connection to built-in programming connector [power ON, PLC STOP]................................... 384
12.2 Running and Stopping Procedures [Power ON]........................................................................ 385
12.2.1 Methods of running and stopping .............................................................................................. 385
12.2.2 Use of several running/stopping methods .................................................................................386
12.3 Operation and Test [Power ON and PLC Running] .................................................................. 387
12.3.1 Self-diagnostic function ............................................................................................................. 387
12.3.2 Test functions ............................................................................................................................ 387
12.3.3 Program modification function................................................................................................... 388
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