Omron NT31 NT31C manual Installation Method, Switch Function

Using a Memory Unit (Versions without the -Vj Suffix) Section 3-6

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.

1 2 3 4

OFF

1 2 3 4

OFF

Factory setting is turned all to off.

SW1 SW2

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.
DIP Switch Functions	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
			unit to the PT)		ON : Executed
		SW1-2	Automatic transmission (writing from the PT to		OFF: Not executed
			the memory unit)		ON : Executed
		SW1-3	Manual transmission (Direction of transmission		OFF: Not executed
			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
					ON : Enable
		SW2-2	Disable/enable writing to the memory unit		OFF: Disable
					ON : Enable
		SW2-3	Area (bank) selection of automatic transmission.		OFF: Bank 0
					ON : Bank 1
		SW2-4	Reserved for system use (must be set to OFF)

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