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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
2 Overview (Sequence Program)
2.7 Types and Setting of Parameters
2.7.5 Keyword (entry code)
By registering the entry code in a PLC, the functions of programming tools, display modules, and display units to
change programs, monitor devices, and the current value changing function in the PLC can be restricted (access
restriction).
→ For the operations and restricted functions of display modules,
refer to the PLC main unit Hardware Edition.
→ For the operations and restricted functions of display units,
refer to the respective display unit manual.
1. Differences in operations caused by the entry code type
The operations to change, cancel (delete) and reset the registered entry code vary depending on the entry code type.
2. Correspondence between PLC and peripheral equipment
The security provided by the entry code, second entry code and customer keyword is limited, and is not always
perfect.
Registered
entry code
Entered entry code Change Cancel Disable Outline
Permanent
PLC lock
– – – – The permanent PLC lock cannot be changed, canceled or reset.
Entry code Entry code The entry code can be changed, canceled and reset.
Entry code +
Second entry
code
Entry code +
Second entry code
The entry code and second entry code can be changed, canceled
and reset.
Entry code +
Second entry
code +
Customer
keyword
Entry code +
Second entry code
The entry code, second entry code and customer entry code can
be changed, canceled and reset.
Customer keyword – – The entry code can be reset.
Available
characters
Number of
registered
characters
Applicable PLC
GX
Works2
GX
Developer
GOT
1000
GOT-
F900
FX-30P
FX-10P
(-E)
FX-20P
(-E)
FX-PCS
/WIN(-E)
Permanent
PLC lock
––
FX
3S
/FX
3G
/FX
3GC
(From first product)
FX
3U
/FX
3UC
(Ver. 2.61 or later)
Ver. 1.08J
or later
Ver. 8.72A
or later
Not
applicable
Not
applicable
Applicable
Not
applicable
Not
applicable
Entry code
0 to 9 and
A to F
8
FX
3S
/FX
3G
/FX
3GC
/
FX
3U
/FX
3UC
(From first product)
Ver. 1.08J
or later
Ver. 2.00A
or later
Applicable
Only reset
of entry
code is
allowed
Applicable Applicable Applicable
Second
entry code
0 to 9 and
A to F
8 (16 total
including
entry code)
FX
3S
/FX
3G
/FX
3GC
(From first product)
FX
3U
/FX
3UC
(Ver. 2.20 or later)
Ver. 1.08J
or later
Ver. 8.24A
or later
Applicable
Not
applicable
Applicable
Not
applicable
Not
applicable
Customer
keyword
0 to 9 and
A to F
16
FX
3S
/FX
3G
/FX
3GC
(From first product)
FX
3U
/FX
3UC
(Ver. 2.61 or later)
Ver. 1.08J
or later
Ver. 8.72A
or later
Applicable
Not
applicable
Applicable
Not
applicable
Not
applicable