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Using a Memory Unit Section 3-5
Current Memory Unit Screen Data
• In the case of system program:
The first line: Compatible PT type for the system program in-
side the Memory Unit.
The second line: System program name and Version for the sys-
tem program inside the Memory Unit.
(The second line may not be displayed in the system program for some
models.)
• In the case of screen data:
The comment for the screen data in the NT631/NT631C is displayed
here.
The available transmitting destinations are altered depending on the settings
of the origin of transmitting as described in the table below.
Reference: • When transmitting the system program and screen data simultaneously
from the PT to the Memory Unit, the setting of banks is Bank 0: system
program, Bank 1: screen data, and when transmitting them from the
Memory Unit to the PT, either of the following combinations must be used.
Bank 0: system program, Bank 1: other than system program
Bank 0: other than system program, Bank 1: system program
• When writing the system program into the NT631/NT631C, the type of
system program inside Memory Unit and the type of PT must correspond.
4. Press Execute.
The data is transmitted.
The messages Preparing, Transmitting, Verifying, and Finished are dis-
played in accordance with the progress of data transmission. At the same
time, the progress of data transmitting status is displayed by the means of
the number of bytes and blocks (1 bank = 16 block = 1024k byte).
When the data transmission is operated manually, RUN LED remains OFF.
5. Switch the NT631/NT631C power OFF, remove the Memory Unit, then
switch the NT631/NT631C power back ON.
Errors When Using a
Memory Unit
If an error occurs when using the Memory Unit, the NT631/NT631C operates
as follows.
• The details of the error and remedial action are displayed on the screen.
Each screen has touch switches to change the display language from
one to the other. When the manual data transmission is operating, the
content of error and remedial action are shown with selected lan-
guage. When the automatic transmission is operating, it is displayed in
Japanese.
• The continuous buzzer sounds.
Source Destination
PT screen
PT system
PT system/screen Memory Unit Bank 0/1 (fixed)
Memory Unit Bank 0 If system program is selected
PT system (fixed)
If screen data is selected
PT screen (fixed)
Memory Unit Bank 1
Memory Unit Bank 0/1 PT system/screen (fixed)
Memory unit Bank 0
Memory unit Bank 1