FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
425
19 FX3U-7DM (Display Module)
19.22 Display Screen Protect Function
11
High-Speed
Counters
12
Output Wiring
13
Wiring for
Various Uses
14
Test Run,
Maintenance,
Troubleshooting
15
IInput/Output
Powered
Extension Units
16
Input/Output
Extension
Blocks
17
Extension
Power Supply
Unit
18
Other Extension
Units and
Options
19
Display Module
20
Terminal Block
19.22.2 Relationship between keyword (entry code) & display screen protect function
If the PLC’s entry code registration function is used, that entry code related restriction takes priority over the
display module’s "display screen protect function". The relationship between entry codes and the display
screen protect function is shown below.
19.22.3 Keyword (Entry code) levels
1. For versions prior to Ver. 2.20
2. For Ver. 2.20 and later
16-digit entry codes
*1
are used.
If an 8-digit entry code is specified, processing occurs in the same manner as in versions prior to Ver. 2.20.
*1. Customer keyword / permanent PLC lock included. However, permanent PLC lock does not have a
keyword input.
FX3U PLC Ver. 2.61 or later supports the customer keyword and permanent PLC lock.
Entry code
registration
Entry code
Status
Display Screen Protect
Status
Function Restrictions
Entry code is
registered
Entry code is
not canceled
Entry code is being used
Restriction of functions is according to the entry code
level.
Entry code is not being used
Entry code is
canceled
Entry code is being used
All functions are enabled (no restrictions).
Entry code is not being used
Entry code is not registered
Entry code is being used
Restriction of functions is according to the display
screen protect function.
Entry code is not being used All functions are enabled (no restrictions).
8-Digit Entry code Level Entry code Content Entry code Input Example
A (All operations prohibited)
8-digit hexadecimal value beginning
with "A" or "0 to 9" numeral.
0ABCDEF2
AABCD345
B (Read/Incorrect write protection)
8-digit hexadecimal value beginning
with "B".
B1234567
BABCDEF7
C (Erroneous write prohibited)
8-digit hexadecimal value beginning
with "C".
C8904567
CDEF567F
16-Digit Entry code Setting
Content
Entry code Content Entry code Input Example
All online operations prohibited "A to F", "0 to 9" 16-digit value.
0ABCDEF262297529
AABCDEBF34523724
Writing prohibited "A to F", "0 to 9" 16-digit value.
B123456789012345
7ABCDEF73DAEB93A
Reading/writing prohibited "A to F", "0 to 9" 16-digit value.
2890445234817567
CDEF567FABDFEA46