Mitsubishi Electric MELSEC FX3U Programming Manual page 53

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
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,
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.
Set item
Function
*1
selection
Keyword
*1
2nd Keyword
Customer
*1
keyword
*1
Protection level
*1. The function selection and customer keyword can be set only in FX
*2. The second entry code and protection level can be set in all FX
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.
Contents of setting
Select either one.
• Keyword protection
• Permanent PLC lock
Input 8 characters. Available
characters are A to F and 0 to 9.
Input 8 characters. Available
characters are A to F and 0 to 9.
Input 16 characters. Available
characters are A to F and 0 to 9.
Select either of the following:
• Read/Write protection
• Write protection
• All online operation protection
and FX-PCS/WIN(-E), refer to the manual of each product.
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.
Before setting the second entry code, set the entry code first.
Before setting the customer keyword, set the entry code and
second entry code first.
Before setting the protection level, set the second entry code or
select "Permanent PLC lock" in "Function selection".
3G
PLCs and FX
3G
2 Overview (Sequence Program)
2.7 Types and Setting of Parameters
Remarks
PLCs.
/FX PLCs Ver.
3U 3UC
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