424
FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
19 FX3U-7DM (Display Module)
19.22 Display Screen Protect Function
19.22 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".
→
Refer to Section 19.4 for display module function.
→
Refer to Subsection 19.13.5 for the "entry code cancel" procedure.
→
Refer to Section 19.18 for system information setting.
19.22.1 Keyword (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"
: Usable
U
: Timer and counter settings cannot be changed
S
: Only monitor function is usable (test function is not available)
: Unusable
*1.
Customer keyword / permanent PLC lock included. However, permanent PLC lock does not have a
keyword input.
FX
3U
PLC Ver. 2.61 or later supports the customer keyword and permanent PLC lock.
Function Name
Entry code
Display Screen Protect
16-digit entry code
*1
setting-->
None
All online
operations
prohibited
Writing
prohibited
Reading/
writing
prohibited
None
1
2
8-digit entry code setting (level) -->
A (All
operations
prohibited)
B (Read/
Incorrect
write
protection)
C (Erroneous
write
prohibited)
Top screen (time display)
Monitor/Test
Device
U
U
S
User (User-
registered device)
S
ScanTime (Scan time display)
PLC status
ErrorCheck
User message display
Display screen protect function
Menu display language setting
Contrast adjustment
Time
Display
Setting
Entry code (cancel)
−
Clear all device (Device all-clear)
Memory cassette transfer
Summary of Contents for FX2-16E series
Page 2: ......
Page 8: ... 6 Safety Precautions Read these precautions before use MEMO ...
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