Mitsubishi Electric FX3G SERIES Programming Manual page 52

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)
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 selection
Keyword
*2
2nd Keyword
Customer keyword
*2
Protection level
*1. The function selection and customer keyword can be set in all FX
later.
*2. The second entry code and protection level can be set in all FX
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 /FX
3U
keyword and permanent PLC lock are set.
If a memory cassette where the permanent PLC lock is set is used in an FX
than Ver. 2.61, the PLC does not function normally.
If the PLC memory is cleared or the keyword is canceled in an FX
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.
50
→ For the entry code registration/change procedure in FX-10P(-E), FX-20P(-E), FX-30P,
Contents of setting
Select either one.
*1
• 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
*1
characters are A to F and 0 to 9.
Select one of the following:
• Read/Write protection
• Write protection
• All online operation protection
PLC whose version is earlier than Ver. 2.61, do not use a memory cassette where the customer
3UC
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".
PLCs and FX
3G
PLCs and FX
3G
3U
/FX PLC whose version is earlier than Ver.
3U 3UC
2 Overview (Sequence Program)
2.7 Types and Setting of Parameters
Remarks
/FX PLCs Ver.2.61 or
3U 3UC
/FX PLCs Ver. 2.20 or
3U 3UC
/FX PLC whose version is earlier
3UC