FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
393
19 FX3U-7DM (Display Module)
19.22 Display Screen Protect Function
11
High-Speed
Counters
12
Output Wiring
13
Wiring for
Various Uses
14
Test Run,
Maintenance,
Troubleshooting
15
IInput/Output
Powered
Extension Units
16
Input/Output
Extension
Blocks
17
Extension
Power Supply
Unit
18
Other Extension
Units and
Options
19
Display Module
20
Terminal Block
19.22.3 Entry code levels
1. For versions prior to Ver.2.20
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.
19.22.4
System information - display screen protect function
1. System signal 1
2. System signal 2
System signal 2 is unrelated to this function.
19.22.5 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.
8-Digit Entry code Level Entry code Content Entry code Input Example
A (All operations prohibited)
8-digit hexadecimal value beginning
with "A" or "0 to 9" numeral.
0ABCDEF2
AABCD345
B (Read/Incorrect write protection)
8-digit hexadecimal value beginning
with "B".
B1234567
BABCDEF7
C (Erroneous write prohibited)
8-digit hexadecimal value beginning
with "C".
C8904567
CDEF567F
16-Digit Entry code Setting
Content
Entry code Content Entry code Input Example
All online operations prohibited "A to F", "0 to 9" 16-digit value.
0ABCDEF262297529
AABCDEBF34523724
Writing prohibited "A to F", "0 to 9" 16-digit value.
B123456789012345
7ABCDEF73DAEB93A
Reading/writing prohibited "A to F", "0 to 9" 16-digit value.
2890445234817567
CDEF567FABDFEA46
System
Information
Setting
Content
(Level)
Function Restriction Summary
Dîš…îš…+8
1
All functions except the "user message display"
and "top screen (time display)" functions are disabled.
2
The following functions are disabled: "monitor/test’s ’test’ function", "device all-clear",
"time change", "contrast setting", "memory cassette transfer",
and "menu display language setting".
Other
values
All functions are enabled.
Initial pulse
END
MOV K50 D8300
MOV K50 D8301
M8002
System information (system No.1) is set at D50 to D90.
System information (system No.2) is set at M50 to
M56.
MOV K2 D58 Sets the display screen protect function to "level 2".