Omron Programmable Terminals NT31 NT31C - Manual (Page 59)

3-6 Section Using a Memory Unit (Versions without the -Vj Suffix)
48
3-6-1 Installation Method
Install the memory unit (NT-MF261) at the expansion interface connector at the
rear of the NT31/NT31C as shown in the figure below. (The expansion interface
connector is located underneath the note label.)
Mounting screws
3-6-2 Method of Use
As shown in the figure below, a memory unit has two sets of four DIP switches,
and the operation is determined by the DIP switches that are set at startup.
4 3 2 1
OFF
SW1 SW2
OFF
4 3 2 1
Factory setting is turned all to off.
Note 1. Always confirm that the power to the NT31/NT31C is off before setting the
DIP switches.
2. Do not touch the PCB (printed circuit board) directly with bare hands.
The functions of the DIP switches on the memory unit are indicated in the table
below.
• SW1
Switch 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
SW1-4 Reserved for system use (must be set to OFF)
• SW2
Switch 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
SW2-4 Reserved for system use (must be set to OFF)
DIP Switch Functions