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19 Display Module (FX3G-5DM)
FX
3G
Series Programmable Controllers
User's Manual - Hardware Edition
19.16 Display Screen Protect Function
19.16.3 Keyword and display screen protect function levels and corresponding restrictions
If a keyword has been registered, that keyword related restriction takes priority over the "display screen
protect function"
: Usable
: Timer and counter settings cannot be changed
: 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.
*2. The test function can be enabled or disabled by setting the specified device monitor.
19.16.4 Relationship between keyword and display screen protect function
If the PLC's keyword registration function is used, that keyword related restriction takes priority over the
display module's "display screen protect function". The relationship between keywords and the display screen
protect function is shown below.
Function Name Keyword
Display Screen
Protect
16-digit keyword
*1
setting-->
None
All online
operations
prohibited
Writing
prohibited
Reading/writing
prohibited
None 1 2
8-digit keyword setting (level) -->
A (All operations
prohibited)
B (Read/
Incorrect write
protection)
C (Erroneous
write prohibited)
Top screen (time display)
Top screen(specified device monitor) *2
Monitor/Test
ErrorCheck
Display screen protect function
Menu display language setting
Contrast adjustment
Time
Display
Setting
Keyword (cancel) -
Memory cassette transfer
Keyword
registration
Keyword Status
Display Screen Protect
Status
Function Restrictions
Keyword is registered
Keyword is not canceled
Keyword is being used
Restriction of functions is according to the keyword level.
Keyword is not being used
Keyword is canceled
Keyword is being used
All functions are enabled (no restrictions).
Keyword is not being used
Keyword is not registered
Keyword is being used
Restriction of functions is according to the display screen
protect function.
Keyword is not being used All functions are enabled (no restrictions).