Entry Code Levels; System Information - Display Screen Protect Function; Program Example (Screen Protect Function Setting) - Mitsubishi FX3UC SERIES User Manual

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

10.17.3 Entry code levels

1. For versions prior to Ver.2.20
8-Digit Entry code Level
A (All operations prohibited)
B (Read/Incorrect write protection)
C (Erroneous write prohibited)
2. For Ver.2.20 and later
16-digit entry codes are used.
If an 8-digit entry code is specified, processing occurs in the same manner as in versions prior to Ver.2.20.
16-Digit Entry code Setting
Content
All online operations prohibited
Writing prohibited
Reading/writing prohibited

10.17.4 System information - display screen protect function

1. System signal 1
System
Information
D + 8
2. System signal 2
System signal 2 is unrelated to this function.

10.17.5 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 D90 and from M50 to M56.
M8002
Initial pulse
354
8-digit hexadecimal value beginning
with "A" or "0 to 9" numeral.
8-digit hexadecimal value beginning
with "B".
8-digit hexadecimal value beginning
with "C".
Entry code Content
"A to F", "0 to 9" 16-digit value.
"A to F", "0 to 9" 16-digit value.
"A to F", "0 to 9" 16-digit value.
Setting
Content
(Level)
All functions except the "user message display"
1
and "Main unit I/O operation display" functions are disabled.
The following functions are disabled: "monitor/test's 'test' function", "device all-clear",
2 "time change", "contrast setting", "memory cassette transfer",
and "menu display language setting".
Other
All functions are enabled.
values
MOV K50 D8300
MOV K50 D8301
MOV K2 D58
END
Entry code Content
Function Restriction Summary
System information (system No.1) is set at D50 to D90.
System information (system No.2) is set at M50 to M56.
Sets the display screen protect function to "level 2".
10 Display Module (Only FX3UC-32MT-LT)
10.17 Display Screen Protect Function
Entry code Input Example
0ABCDEF2
AABCD345
B1234567
BABCDEF7
C8904567
CDEF567F
Entry code Input Example
0ABCDEF262297529
AABCDEBF34523724
B123456789012345
7ABCDEF73DAEB93A
2890445234817567
CDEF567FABDFEA46