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FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
2 Overview (Sequence Program)
2.7 Types and Setting of Parameters
1
Int
roduct
ion
2
O
ver
view
3
In
str
uc
tion
Li
st
4
D
evices
in D
etail
5
Spec
ified t
he
D
evice &
C
onst
ant
6
Bef
ore
Pr
ogr
am
m
ing
7
B
asic
In
st
ru
ct
io
n
8
FN
C
00-FN
C
09
P
rogr
am
F
low
9
FN
C
10
-FN
C
19
Mo
ve
&
Co
mp
are
10
FNC2
0-F
NC2
9
Ar
ith.
&
Logic
O
per
ation
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 only in FX
3G
PLCs.
*2.
The second entry code and protection level can be set in all FX
3G
PLCs and FX
3U
/FX
3UC
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.
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".