Mitsubishi FX3U Series User Manual

12
FX3U Series Programmable Controllers
User's Manual - Hardware Edition
Table of Contents
19.14 Device All-Clear ...................................................................................................................... 376
19.14.1 Device all-clear operation........................................................................................................ 376
19.15 PLC Status.............................................................................................................................. 377
19.15.1 Display operation..................................................................................................................... 377
19.15.2 PLC status display items ......................................................................................................... 378
19.16 Scan Time (Scan Time Display).............................................................................................. 379
19.16.1 Scan time display operation .................................................................................................... 379
19.17 Cassette (Memory Cassette Transfers) .................................................................................. 379
19.17.1 Transfer from internal RAM to memory cassette (Cassette <- RAM)...................................... 380
19.17.2 Transfer from memory cassette to internal RAM (Cassette -> RAM)...................................... 381
19.17.3 Memory cassette & internal RAM consistency check (Cassette : RAM) ................................. 382
19.18 System Information (Restrictions From PLC).......................................................................... 383
19.18.1 System information list ............................................................................................................ 383
19.18.2 System information setting programexample .......................................................................... 384
19.19 User (User-Registered Device Setting)................................................................................... 385
19.19.1 System information - user-registered device setting ............................................................... 385
19.19.2 Precaution when setting 3 or fewer devices............................................................................ 385
19.19.3 Program example 1 (when 4 devices are displayed as user-registered devices) ................... 386
19.19.4 Program example 2 (when 3 or fewer devices are displayed as user-registered devices) ..... 387
19.19.5 Program example 3 (when 5 or more devices are displayed as user-registered devices)...... 388
19.20 Operation Button ON/OFF Information ................................................................................... 390
19.20.1 Various applications ................................................................................................................ 390
19.20.2 System information - operation button ON/OFF information ................................................... 390
19.21 Specifying a Hexadecimal Current Value Display Format ...................................................... 391
19.21.1 System information - specifying a hexadecimal current value display format ......................... 391
19.21.2 Program example 1 (specifying a hexadecimal data display format) ...................................... 391
19.21.3 Program example 2 (specifying a decadal data display format).............................................. 391
19.22 Display Screen Protect Function............................................................................................. 392
19.22.1 Entry code & display screen protect function levels and corresponding restrictions............... 392
19.22.2 Relationship between entry code & display screen protect function ....................................... 392
19.22.3 Entry code levels ..................................................................................................................... 393
19.22.4 System information - display screen protect function.............................................................. 393
19.22.5 Program example (screen protect function setting)................................................................. 393
19.22.6 Pointers for using the display screen protect function............................................................. 394
19.23 User Message Display Function ............................................................................................. 395
19.23.1 System information - user message display function .............................................................. 395
19.23.2 Shift JIS code arrangement precautions .................................................................................395
19.23.3 Displaying a word device current value as a message............................................................ 396
19.23.4 Program example 1 (user messages display switching) ......................................................... 396
19.23.5 Program example 2 ([+] / [-] buttons of user messages switching) ......................................... 397
19.23.6 Program example 3 (user messages plus data display).......................................................... 398
19.23.7 Character data input procedure............................................................................................... 401
19.24 Operation Error Messages & Corrective Actions .................................................................... 404
19.24.1 When a "Fatal error occurred" message appears ................................................................... 405
19.25 Menu Display Characters - Japanese & English Display Character Correspondence Table.. 406

Mitsubishi FX3U Series Specifications

General

Model	FX3U Series
Program Memory	64k steps
Execution Speed	0.065 μs/basic instruction
Type	PLC (Programmable Logic Controller)
Power Supply	100-240V AC
I/O Points	Up to 384
Communication	USB
Expansion	Supported via expansion modules
High-Speed Counters	Up to 6 channels
Analog Input/Output	Available via expansion modules
Temperature Range	0 to 55°C
Programming Language	Ladder Logic, Structured Text
Built-in Functions	PID control
Humidity	5 to 95% (non-condensing)