KTI Networks KSC-240 1 RS-485/422 Driver and Receiver Control, SW1-4 SW1-6 SW1-5 SW2-1 Behavior

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2.7.1 RS-485/422 Driver and Receiver Control

The following table lists the possible DIP SW settings related to RS-485 and RS-422 driver and receiver control:

SW1-4 SW1-6

SW1-5

SW2-1

Behavior

TXE

RXC

RTS-D

SDD

Driver is enabled.

 

 

 

 

Receiver is disabled.

TXE

RXE

-

-

Driver is enabled.

 

 

 

 

Receiver is enabled.

TXC

RXE

RTS-D

SDD

Driver is disabled.

 

 

 

 

Receiver is enabled.

TXC

RXE

RTS-E

SDD

Driver controlled by RTS

 

 

 

 

Receiver is enabled.

TXC

RXC

RTS-E

SDD

Driver controlled by RTS

 

 

 

 

Receiver is enabled

 

 

 

 

when driver is disabled.

TXC

RXE

RTS-D

SDE

Driver controlled by ADC

 

 

 

 

Receiver is enabled.

TXC

RXC

RTS-D

SDE

Driver controlled by ADC

 

 

 

 

Receiver is enabled

 

 

 

 

when driver is disabled.

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Contents KSC-240 Installation Guide Industrial RS-232 to RS-485/422 ConverterUnited States InternationalEthernet is a registered trademark of Xerox Corp Table of Contents Introduction Features Specifications Serial Interface RS-232 Port LEDIndicatorsRS-485/422 Interface Configuration DIP SW Settings Name State FunctionDC Power Interface Basic InformationMechanical EnvironmentalCertificate CE/EMCInstallation UnpackingSafety Cautions DIN-Rail Mounting Page Panel Mounting Screw locations and final dimension are shown below Applying Power Using Terminal BlocksPage UsingDC Power Jack Power Failure Relay Output DIP SW Configuration SW1-2SW1-3 SW1-4 TXESW1-5 SW1-6SW1-8&7 SW2-1 SW2-2SW2-3 SW2-41 RS-485/422 Driver and Receiver Control SW1-4 SW1-6 SW1-5 SW2-1 BehaviorMaking Serial RS-232 Connection Typical RS-232 Interface DCE Pin Assignment TableSignal Name Input/Output Cable for Connection to PC COM Port Characteristics RS-422 RS-485 Making RS-485/422 ConnectionRS-422 Point-to-Point Circuit RS-422 Multi-drop Network TXE RS-485 Multi-drop Network TXC RS-485 Half-duplex 2-wire Network RS-485 Full-duplex 4-wire Network Or use ADC control optional Summary of the Converter Applications LED Indicators Factory Default Configuration Name Default Setting