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122
6-2. Troubleshooting
■
When “PROTECT ERROR” is displayed
1
1
When memory (EPROM) or master memory (EEPROM) is installed in the FP-M control board
If memory (EPROM) or master memory (EEPROM) is installed on the FP-M control board, the program cannot be
modified.
Proceed with program modification as follows:
2
2
When a password is set for the programmable controller
• Using NPST-GR Software Ver. 3.1
In the [SET PLC PASSWORD] window, select ENAB and press the
Enter
key to set
the mode of the password setting to enable saving and loading of the program.
• Using FP Programmer II
ACLR
(–)
OP
7
2
ENT
1
1
3
4
WRT
2
(HELP)
CLR
Password (e.g., “1234”)
Press the keys on the FP Programmer II
as shown on the right.
<If you are using MENU 1 screen type>
Open [NPST MENU] by pressing the
Esc
key, and then select “PLC
CONFIGURATION” to skip to the [PLC
CONFIGURATION] subwindow.
In the [PLC CONFIGURATION]
subwindow, select “5. SET PLC
PASSWORD”.
<If you are using MENU 2 screen type>
Open [NPST FUNCTION MENU] by
pressing the
Esc
key in the ONLINE
mode, and then select “SET PLC
PASSWORD”.
Change the setting of the password
using a programming tool.
Save the modified program to the
memory (EPROM) or master memory
(EEPROM) and start operation again.
(Refer to page 103, “5-6. RAM and
ROM Operations”, for details about
ROM operation.)
Modify the program using a
programming tool.
First, turn OFF the power of the FP-M
control board.
Then, remove the memory (EPROM)
or master memory (EEPROM) from the
FP-M control board.
Содержание FP-M Hardware
Страница 1: ...FP M Hardware ACG M0045 1 94 12 FP M Hardware PROGRAMMABLE CONTROLLER ...
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Страница 266: ...258 RECORD OF CHANGES ACG No Date Description of Changes ACG M0045 1 DEC 1994 First edition RECORD OF CHANGES ...
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