Filter
Top Products
48
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
2 Overview (Sequence Program)
2.7 Types and Setting of Parameters
Registering and changing the entry codes
This section explains the operating procedure of GX Developer (Ver.8.72A)
→ For the entry code registration/change procedure in FX-10P(-E), FX-20P(-E), FX-30P,
and FX-PCS/WIN(-E), refer to the manual of each product.
1. Set the PLC to the STOP mode.
2. Select [Online]-[Keyword setup]-[Register...] to open "New keyword register" dialog box.
3. Set the function selection (for the protection type), entry code, second entry code, customer
entry code and protection level.
*1. The function selection and customer keyword can be set in all FX3G PLCs and FX3U/FX3UC PLCs Ver.2.61 or
later.
*2. The second entry code and protection level can be set in all FX
3G PLCs and FX3U/FX3UC PLCs Ver. 2.20 or
later.
Caution on registering the entry code
• The entry codes are provided to restrict access from peripheral equipment to programs created by the users. Keep
the entry codes carefully.
If a registered entry codes is forgotten, the online operations from a programming tool to the PLC are disabled
depending on the programming tool type and the contents of the registered entry code.
• In an FX
3U/FX3UC PLC whose version is earlier than Ver. 2.61, do not use a memory cassette where the customer
keyword and permanent PLC lock are set.
If a memory cassette where the permanent PLC lock is set is used in an FX
3U/FX3UC PLC whose version is earlier
than Ver. 2.61, the PLC does not function normally.
If the PLC memory is cleared or the keyword is canceled in an FX
3U/FX3UC PLC whose version is earlier than Ver.
2.61 for a memory cassette where the customer keyword and permanent PLC lock are set, access restrictions set
by the keyword may not be able to be removed normally.
Set item Contents of setting Remarks
Function selection
*1
Select either one.
• Keyword protection
• Permanent PLC lock
When "Permanent PLC lock" is selected, it cannot be reset.
To reset the permanent PLC lock or write programs again to the PLC, all-
clear the PLC memory.
Keyword
Input 8 characters. Available
characters are A to F and 0 to 9.
2nd Keyword
*1
Input 8 characters. Available
characters are A to F and 0 to 9.
Before setting the second entry code, set the entry code first.
Customer keyword
*1
Input 16 characters. Available
characters are A to F and 0 to 9.
Before setting the customer keyword, set the entry code and second entry
code first.
Protection level
*1
Select either of the following:
• Read/Write protection
• Write protection
• All online operation protection
Before setting the protection level, set the second entry code or select
"Permanent PLC lock" in "Function selection".