2-1 Connecting the Host 
2-1  Connecting the Host  
 
This section provides details on the networks for hosts that can be used with NS-series PTs. 
2-1-1 Communications Types and Connection Methods 
• Communications Ports and Methods 
All NS-series PTs have two serial ports each. The NS12-TS01(B)-V1/-V2, NS10-TV01(B)-
V1/-V2, NS8-TV@1(B)-V1/-V2, and NS5-SQ01(B)-V1/-V2 each have one Ethernet interface. A 
Controller Link Interface Unit can also be mounted to the NS12-TS0@(B)-V1 or NS10-
TV0@(B)-V1 to enable Controller Link communications. These communications ports and in-
terfaces can be used for the communications methods shown in the following table. 
Communications ports  Supported communications methods 
Serial port A 
1:1 NT Link 
1:N NT Links (See note 1.)  
For connecting the CX-Designer and for Bar Code Reader input. 
Serial port B (See note 2.) 
1:1 NT Link 
1:N NT Links (See note 1.) 
For connecting the CX-Designer and for Bar Code Reader input. 
Ethernet interface 
FINS communications 
For connecting the CX-Designer. 
Controller Link Interface 
Unit 
FINS communications  
Data links 
Note 1:  1:N NT Links can be set for either normal or high-speed communications. 
Note 2:  With the NS5, EXP. (Expansion) I/F on the Comm Tab Page in the System Menu settings 
can be set to use a communications port in the expansion interface connector. The expan-
sion interface, however, is a future expansion, which cannot yet be used. Always use the se-
rial port B connector. Communications will not be possible on serial port B if the expansion 
interface is selected in the System Menu settings.  
 
The following table shows the possible combinations of communications methods when serial 
ports A and B are connected to the host at the same time. 
 
Using serial ports A and B at the same time  Supported/not supported 
1:1 NT Link + 1:1 NT Link  Supported 
1:1 NT Link + 1:N NT Links  Supported 
1:N NT Links + 1:N NT Links  Supported 
 
• Converting Communications Type Using RS-232C/RS-422A Converter 
OMRON’s NS-AL002 RS-232C/RS-422A Converter can be used to convert the communica-
tions type between RS-232C and RS-422A. 
 
• Communications Type and Connection Method Combinations  
The following table shows the possible connection methods for each communications type. 
 
2-2