3-11 RS-232C/RS-422A Selector DIP Switch
3-62
3-11 RS-232C/RS-422A Selector DIP Switch
A DIP switch on the NS15 can be used to select RS-232C or RS-422A for serial port B communications. Use
the software program to see which cable is selected and use the System Menu to display the status of the
connection.
Pin Specification
1
OFF: Terminating resistance disconnected,
ON: Terminating resistance connected
2
OFF: RS-422A (Four-wire), ON: RS-485 (Two-wire)
3
OFF: RS-422A (Four-wire), ON: RS-485 (Two-wire)
4
OFF: Normal transmission, ON: CS control
5 Not
used.
6
OFF: RS-232C, ON: RS-422A/RS-485
Note: All pins are set to OFF in the factory settings.
Precautions
for Correct Use
•
There are two connectors that can be used for serial port B, an isolated RS-
422A connector and an RS-232C connector. They cannot be used at the
same time. Set the DIP switch pins for the serial port B setting to specify the
port that is to be used.
•
When using RS-422A communications, use the RS-422A connector in-
cluded with the PT for the isolated RS-422A serial port B connector.
Summary of Contents for NS15-V2 Series
Page 1: ...Cat No V083 E1 14 Programmable Terminals NS Series SETUP MANUAL...
Page 2: ......
Page 34: ...1 4 Procedure for Running NS series PTs 1 12...
Page 54: ...2 2 Part Names and Functions 2 20...
Page 144: ...4 4 Recommended Connector Cables 4 28...
Page 174: ...5 3 Connecting to Host via EtherNet IP 5 30...
Page 246: ...6 11 Verifying Tags 6 72...
Page 280: ...Appendix 2 Dimensions A 20 NS5 V1 V2 Cable Connection Dimensions...
Page 333: ......
Page 334: ......