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3-5
Section
Using a Memory Unit
32
3-5-1 Installation Method
Install the Memory Unit (NT-MF261) at the expansion interface connector at the
rear of the NT21 as shown in the figure below.
Mounting screws
Screw hole
3-5-2 Method of Use
As shown in the figure below, a Memory Unit has 2 four-pin DIP switches, and
the operation is determined by the DIP switch settings at startup.
4
3
2
1
OFF
SW1
SW2
OFF
4
3
2
1
Factory setting is turned all to OFF.
Note Always confirm that the power to the NT21 is OFF before setting the DIP
switches.
The functions of the DIP switches on the Memory Unit are indicated in the table
below.
•
SW1
Pin
Function
SW1 1
Automatic transmission (writing from the Memory
OFF: Not executed
SW1-1
Automatic transmission (writing from the Memory
Unit to the PT)
ON : Executed
SW1 2
Automatic transmission (writing from the PT to
OFF: Not executed
SW1-2
Automatic transmission (writing from the PT to
the Memory Unit)
ON : Executed
SW1 3
Manual transmission (Direction of transmission
OFF: Not executed
SW1-3
Manual transmission (Direction of transmission
and bank used selected at the PT touch panel)
ON : Executed
OFF: Screen data
SW1-4
Data type to transfer
ON : System
program
•
SW2
Pin
Function
SW2 1
Disable/enable writing to PT
OFF: Disable
SW2-1
Disable/enable writing to PT
ON : Enable
SW2 2
Disable/enable writing to the Memory Unit
OFF: Disable
SW2-2
Disable/enable writing to the Memory Unit
ON : Enable
SW2 3
Area (bank) selection of automatic transmission *
OFF: Bank 0
SW2-3
Area (bank) selection of automatic transmission. *
ON : Bank 1
DIP Switch Functions