Omron NT21 Setup Manual

3-5SectionUsing 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.
4321
OFF
SW1 SW2
OFF
4321
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
(
writin
g
from the Memor
y
OFF: Not executed
SW1-1
Automatic
transmission
(writing
from
the
Memory
Unit to the PT)
ON : Executed
SW1 2
Automatic transmission
(
writin
g
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

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English