Display Screen Protect Function; System Information - Display Screen Protect Function; Program Example (Screen Protect Function Setting); Error Display Enable/Disable - Mitsubishi Electric MELSEQ FX3S Series User Manual

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition

16.11 Display Screen Protect Function

The display screen protect function prevents accidental operation by restricting the display module functions.
The display screen protect function is enabled when no keyword is registered.
The display screen protect function's protection level is specified in the system information (system signal 1)
"D +3".

16.11.1 System information - display screen protect function

1. System signal 1
Special data register
D8158=K
2. System signal 2
System signal 2 is unrelated to this function.

16.11.2 Program example (screen protect function setting)

In this program example, the display screen protect function is set to "level 2".
M8002

16.12 Error display enable/disable

It is selectable whether or not operation errors, etc. will be displayed.
Special data register
D8159=K
Caution
• The following errors are unconditionally displayed when they occur.
PLC hardware error, Parameter error, Syntax error, Circuit error
• If two or more errors have occurred, the priority is given to errors to be unconditionally displayed.
Additionally the error with the smallest error number has overall priority.
System Setting Content
Information (Level)
0
1
D +3
2
Other values
FNC 12
K130 D8158
MOV
FNC 12
K2 D133
MOV
System Information
Enable / Disable operation errors etc.
M +3 ON: Enables the display of operation errors and serial communication error 1.
OFF: Disables the display of operation errors and serial communication error 1.
16.11 Display Screen Protect Function
→ Refer to Section 16.3 for display module function.
→ Refer to Section 16.8 for system information setting.
Description
All operator functions are valid, no protection
Only time display is valid, current time cannot be changed
Only device monitor display is valid, settings cannot be changed
All operator functions are valid, no protection
The system information for the screen
protect function is set to D133.
The display is set to "only device monitor".
Description
→ Refer to Section 16.7 for error display screen.
16 Display Module (FX3S-5DM)
175
11
12
13
14
15
16
17
A
B
C