Display Screen Protect Function; System Information - Display Screen Protect Function; Program Example (Screen Protect Function Setting) - Mitsubishi Electric MELSEC-F FX3G Series User Manual

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

19.16 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".

19.16.1 System information - display screen protect function

1. System signal 1
System
Information
D +3
2. System signal 2
System signal 2 is unrelated to this function.

19.16.2 Program example (screen protect function setting)

In this program example, the display screen protect function is set to "level 2". Use this program as a
reference when other level settings are specified.
In this program example, system information is assigned from D50 to D54 and from M50 to M64.
M8002
Initial pulse
→ Refer to Subsection 19.11.5 for the "keyword cancel" procedure.
Setting
Content
(Level)
All functions except the "top screen (time display)"
1
and "top screen (specified device monitor)" functions are disabled.
The following functions are disabled: "monitor/test's 'test' function", "contrast setting", "time change",
2
"menu display language setting", and "memory cassette transfer".
Other
All functions are enabled.
values
MOV K50 D8300 System information (system No.1) is set at D50 to D54.
MOV K50 D8301 System information (system No.2) is set at M50 to M64.
MOV K2 D53 Sets the display screen protect function to "level 2".
END
→ Refer to Section 19.3 for display module function.
→ Refer to Section 19.13 for system information setting.
Function Restriction Summary
19 Display Module (FX3G-5DM)
19.16 Display Screen Protect Function
347
11
12
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14
15
16
17
18
19
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