Omron NX-series User Manual page 81

Settings on the NX1W-CIF11/CIF12 Option Board
The CPU Unit requires an NX1W-CIF11 or NX1W-CIF12 Option Board for connection with external
devices via RS-422A/485.
The table below shows the settings of the operation setting DIP switches on the back of the Option
Board.
CIF11
SW No.
SW1 1
2
3
4
5
6
*1. Turn this OFF if the NX1W-CIF11/CIF12 is not the terminating device.
Settings on NB-series Units
In the NB-Designer, create a project and select the serial port to use in the Configuration and Setup
Window.
The settings are as follows:
Baud Rate
Data Bit
Parity Check
Stop Bit
Refer to the NB-series Programmable Terminals NB-Designer Operation Manual (Cat. No. V106) for
the detailed settings.
Refer to 4-2-5 Connection Examples on page 4-9 for information on wiring the serial port.
NX-series NX1P2 CPU Unit Built-in I/O and Option Board User's Manual (W579)
CIF12
Setting
SW No.
SW1 1 ON
2 OFF
3 OFF
4 OFF
SW2 1 OFF
2 OFF
Item
Set this to match the serial port setting.
7
even
2
4 Serial Communications
Setting description
*1
With terminating resistance
Four-wire type
Four-wire type
(Not used)
Without RS control for receive data (Always
receive data)
Without RS control for send data (Always send
data)
Set value
4
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