357
FX3UC Series Programmable Controllers
User’s Manual - Hardware Edition
10 Display Module (Only FX3UC-32MT-LT)
10.19 Operation Button ON/OFF Information
1
Outline
2
External
Dimensions
3
Generic
Specifications
4
Power Supply
Specifications
5
Input
Specifications
6
Output
Specifications
7
Examples of
Wiring for
Various Uses
8
Terminal Block
9
CC-Link/LT
Master FX
3UC
(LT only)
10
Display module
FX
3UC
(LT only)
10.19 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 10.16 for system information setting.
10.19.1 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 10.20 for the user-registered device setting procedure.
→ Refer to Subsection 10.20.3 to 10.20.5 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 10.21 user message display function.
→ Refer to Subsection 10.21.4 to 10.21.6 for program examples.
10.19.2 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.