Mitsubishi FX3U Series User Manual

390
FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
19 FX3U-7DM (Display Module)
19.20 Operation Button ON/OFF Information
19.20 Operation Button ON/OFF Information
Operation button ON/OFF information can be monitored at the system information (system signal 2) "M
to M+3" while the PLC is running. Various applications of this function are described below.
→ Refer to Section 19.18 for system information setting.
19.20.1 Various applications
1. Operation button function checks
The programming tool can be used to monitor the system information’s (system signal 2) "operation button
ON/OFF information", to verify that operation buttons are functioning properly.
2. User-registered device changes
The system information’s (system signal 2) "display screen information" and "operation button ON/OFF
information" can be used together to change and display 4 or more user-registered devices.
→ Refer to Section 19.19 for the user-registered device setting procedure.
→ Refer to Subsection 19.19.3 to 19.19.5 for program examples.
3. User message changes
The system information’s (system signal 2) "display screen information" and "user message display
command", and "operation button ON/OFF information" can be used together while a user message is
displayed in order to change (by [+] / [-] button operation) the user message that the program displays.
→ Refer to Section 19.23 user message display function.
→ Refer to Subsection 19.23.4 to 19.23.6 for program examples.
19.20.2 System information - operation button ON/OFF information
1. System signal 1
System signal 1 has no system information related to this function.
2. System signal 2
System
Information
Status Description
M
ON [OK] button is pressed.
OFF [OK] button is not pressed.
M+1
ON [ESC] button is pressed.
OFF [ESC] button is not pressed.
M+2
ON [-] button is pressed.
OFF [-] button is not pressed.
M+3
ON [+] button is pressed.
OFF [+] button is not pressed.

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)