Display Screen Protect Function; Entry Code & Display Screen Protect Function Levels And Corresponding Restrictions; Relationship Between Entry Code & Display Screen Protect Function - Mitsubishi FX3UC SERIES User Manual

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

10.17 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 entry code is registered.
The display screen protect function's protection level is specified in the system information (system signal 1)
"D + 8".
10.17.1 Entry code & display screen protect function levels and corresponding restrictions
If an entry code has been registered, that entry code related restriction takes priority over the "display screen
protect function"
Function Name
16-digit entry code setting
(Ver.2.20 or later)
8-digit entry code setting (level)
Main unit I/O operation display
Device
Monitor/Test
User (User-registered
device)
ScanTime (Scan time display)
PLC status
ErrorCheck
User message display
Display screen protect function
Menu display language setting
Contrast adjustment
Display
Time
Setting
Entry code (cancel)
Clear all device (Device all-clear)
Memory cassette transfer
10.17.2 Relationship between entry code & display screen protect function
If the PLC's entry code registration function is used, that entry code related restriction takes priority over the
display module's "display screen protect function". The relationship between entry codes and the display
screen protect function is shown below.
Entry code
registration
Entry code is
not canceled
Entry code is
registered
Entry code is
canceled
Entry code is not registered
→ Refer to Subsection 10.11.5 for the "entry code cancel" procedure.
→
None
→
−
Entry code Display Screen Protect
Status Status
Entry code is being used
Entry code is not being used
Entry code is being used
Entry code is not being used
Entry code is being used
Entry code is not being used All functions are enabled (no restrictions).
10 Display Module (Only FX3UC-32MT-LT)
→ Refer to Section 10.2 for display module function.
→ Refer to Section 10.16 for system information setting.
: Usable
: Timer and counter settings cannot be changed
: Only monitor function is usable (test function is not available)
: Unusable
Entry code
All online
Writing
operations
prohibited
prohibited
B (Read/
A (All C (Erroneous
Incorrect
operations
write
prohibited)
protection)
Restriction of functions is according to the entry code
level.
All functions are enabled (no restrictions).
Restriction of functions is according to the display
screen protect function.
10.17 Display Screen Protect Function
Display Screen
Protect
Reading/
writing
prohibited
None 1
write
prohibited)
Function Restrictions
1
2
3
4
2
5
6
7
8
9
10
353