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FX3G/FX3U/FX3UC Series Programmable Controllers
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
*1. Only manuals in Japanese are available for the ET-940 Series.
*2. GX Developer Ver. 8.82L or later is applicable to FX
3U/FX3UC PLCs.
*3. This function is supported only in the FX
3G PLC.
*4. GX Developer Ver. 2.00A or later is applicable to FX Series PLC.
However, Ver. 8.13P or later is required in FX
3UC PLCs, Ver. 8.23Z or later is required in FX3U PLCs, and Ver.
8.72A or later is required in FX
3G PLCs.
*5. GX Developer Ver. 8.23Z or later is applicable to FX
3U/FX3UC PLCs, and Ver. 8.72A or later is applicable to
FX
3G PLCs.
*6. GT Designer2 Ver. 2.85P or later supports the customer keyword.
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 333The entry code can be changed, canceled and reset.
Entry code +
Second entry
code
Entry code +
Second entry code
333
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
333
The entry code, second entry code and customer entry code can
be changed, canceled and reset.
Customer keyword – – 3 The entry code can be reset.
Available
characters
Number of
registered
characters
Applicable PLC
GX
Developer
GOT1000
GOT-F900
ET-940
*1
FX-30P
FX-10P(-E)
FX-20P(-E)
FX-PCS
/WIN(-E)
Permanent
PLC lock
––
FX
3G
(Ver. 1.00or later)
FX
3U/FX3UC
(Ver. 2.61 or later)
Ver. 8.72A
or later
*2
Not
applicable
Not
applicable
Applicable
*3
Not
applicable
Not
applicable
Entry code
0 to 9 and
A to F
8
FX
3G/FX3U/FX3UC
(Ver. 1.00 or later)
Ver.2.00A
or later
*4
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
3G
(Ver. 1.00 or later)
FX
3U/FX3UC
(Ver. 2.20 or later)
Ver.8.23Z
or later
*5
Applicable
Not
applicable
Applicable
Not
applicable
Not
applicable
Customer
keyword
0 to 9 and
A to F
16
FX
3G
(Ver. 1.00 or later)
FX
3U/FX3UC
(Ver. 2.61 or later)
Ver. 8.72A
or later
*2
Applicable
*6
Not
applicable
Applicable
*3
Not
applicable
Not
applicable