Connect Tech JB1, JB0, JB2 Appendix D RS-485/422 Line Interface, Electrical Interface Selection

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Chapter 4: Appendices – RS-485/422 Interface

4-9

Appendix D: RS-485/422 Line Interface

Electrical Interface Selection

The Titan/cPCI adapter provides jumper selectable RS-232 and RS-485/422 electrical interfaces on each port.

Jumper block JB sets the electrical interfaces for the individual ports. Jumpers installed across the pins on jumper block JB enable the RS-232 interface for that port, while jumpers not installed across pins enable the RS-485/422 interface for that port. Figure 1 shows the location of jumper block JB.

Technical Tip

Please refer to the README files on the driver diskettes for technical tips or release notes concerning installation and configuration of various device drivers and software utilities. If you require further information please contact Connect Tech Technical Support

Example 1

This example shows the settings on jumper block JB so that port 2 is set for RS-232 and ports 1, 3, 4 are set for RS-485/422.

JB

JB0

Port 1

Jumper Legend

Jumpers on = RS-232 enabled

JB1

Port 2

 

JB2

Port 3

4 port models only

JB3

Port 4

 

Example 2

This example shows the settings on jumper block JB so that ports 1 & 2 are set for RS-485/422 and ports 3 & 4 are set for RS-232.

JB

JB0

Port 1

Jumper Legend

Jumpers on = RS-232 enabled

JB1

Port 2

 

JB2

Port 3

4 port models only

JB3

Port 4

 

Technical Note:

You can set up the RS-232 serial ports to run at up to 230.4 KBPS, but you must use good quality serial cables with lengths that do not exceed 2 metres

Titan/cPCI User’s Manual, ver. 0.00

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Contents Multi-port Serial Communications Adapters Connect Tech IncThis page is intentionally blank Limited Warranty Trademark Acknowledgment Copyright NoticeTable of Contents Appendices List of TablesList of Figures Manual Overview IntroductionConventions & Symbols Titan/cPCI Adapters FeaturesProduct Overview Titan/cPCI adapters Titan/cPCI Software Customer Service OverviewSystem Description Problem Description Connect Tech Product DescriptionTelephone/Facsimile Mail/CourierEmail/Internet RMA Overview Baud Rate Selection Hardware InstallationConfiguration Half Duplex Mode Full Duplex ModeMulti-drop Slave Mode RS-485/422 Line InterfaceInstalling the Titan/cPCI Adapter in your System This page is intentionally blank Software Installation This page is intentionally blank Appendix a Specifications Titan/cPCI Part Numbers DimensionsConnectors/Interface General CertificationTitan/cPCI-2 Titan/cPCI-4 This page is intentionally blank Connector Pinouts Appendix B Connectors/PinoutsDB-37 cable connector pinouts Function Factory Setting Appendix C Factory SettingsThis page is intentionally blank Electrical Interface Selection Appendix D RS-485/422 Line InterfaceHalf Duplex RS-485 RS-485/422 partial schematic Technical Notes RS-485/422 wiring diagram 4 wire RS-485/422 Cable WiringRS-485/422 wiring diagram 2 wire Titan/cPCI User’s Manual, ver Titan/cPCI User’s Manual, ver

JB0, JB2, JB3, JB1 specifications

Connect Tech’s JB series, comprising the JB1, JB2, JB3, and JB0, represents a versatile range of computing platforms designed for rugged and demanding applications. These products are specifically engineered to support various industries, including transportation, defense, and industrial automation, where reliability and performance are paramount.

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