OFF: Disable
SW2-4 System/Screen simultaneous transmission
ON : Enable
* The Memory Unit stores system program or screen data for one PT in each of
Areas (bank 0, bank 1). (The total data storage is for two PTs.) SW2-3 sets which
of these two banks is used for automatic transmission.
Reference: S In the following cases, a mode setting error occurs.
• More than one of the SW1-1 to SW1-3 switches are set to ON.
• None of the SW1-1 to SW1-3 switches are set to ON.
S In the following case, a protect setting error occurs.
Transmitting to the write destination has been disabled by the setting for
SW2-1 or SW2-2.
S In the following cases, a data transmission error occurs.
• An
attempt is made to transmit data other than the system program to PT
System Program Area.
• An attempt is made to transmit the system program to PT Screen Data
Area.
S For details on mode setting errors and protect setting errors, refer to Errors
When Using a Memory Unit (page 36).
In
this mode, system program or the screen data in the NT21 is forcibly written to
the Memory Unit irrespective of the setting status of the NT21.
This
mode is convenient if the touch panel is broken and touch switch operation
is
not possible, or if someone unfamiliar with touch switch operation at the opera
-
tion site is using the system.
Reference: When
screen data is written to the Memory Unit, the data
that has been stored in
the specified Area up until that point is lost (if the data is written into only one
Bank, the other Bank will not be affected).
Method of Execution
Use
the following procedure to write the system program or screen
data in the
NT21 to the Memory Unit by automatic transmission.
1, 2, 3... 1. Check
that the power supply to the NT21 is OFF
, then set the DIP switches of
the Memory Unit as follows after installing Memory Unit to NT21.
SW1-4 ON: System
program
OFF:
Screen data
SW2-3 ON:
Bank 1
OFF:
Bank 0
SW2-4 ON:
System/Screen transmitted simultaneously
OFF:
System/Screen not transmitted simultaneously
4321
ON
SW1
SW2
4321
ON
It
is not strictly necessary to set SW2-1 to OFF (to disable writing to the PT),
but
it
is recommended to do so to avoid loss of data in the event of operating
errors.
Reference: S Setting SW2-4 to ON (System/Screen transmitted simultaneously) disables
the setting of SW1-4.
S Setting SW2-4 to ON (System/Screen transmitted simultaneously) disables
the
setting of SW2-3, writes the system program into bank 0, and the screen
data into bank 1 at all times.
Writing Screen Data to a
Memory Unit Using
Automatic Transmission
(PT to Memory Unit)
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