Connect Tech JB2, JB0, JB1, JB3 user manual RS-485/422 wiring diagram 2 wire

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4-14 Chapter 4: Appendices – RS-485/422 Interface

Figure 6 describes a 2 wire cabling scheme between a port on the Titan/cPCI adapter to a port on the RS-485/422 peripheral.

Figure 6: RS-485/422 wiring diagram (2 wire)

Titan/cPCI adapter

RS-485 peripheral

1

RxD +

TxD +

 

 

3

TxD +

RxD +

 

 

4

TxD -

RxD -

 

 

2

RxD -

TxD -

 

 

7

RTS +

CTS +

 

 

8

CTS +

RTS +

 

 

9

RTS -

CTS -

 

 

6

CTS -

RTS -

 

 

5

SR

SR

 

 

Technical Tip

The RS-485/422 electrical interface consists of a differential signaling scheme. You should always connect the signals with twisted pairs

Titan/cPCI User’s Manual, ver. 0.00

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Contents Connect Tech Inc Multi-port Serial Communications AdaptersThis page is intentionally blank Limited Warranty Copyright Notice Trademark AcknowledgmentTable of Contents List of Figures List of TablesAppendices Introduction Manual OverviewConventions & Symbols Product Overview FeaturesTitan/cPCI Adapters Titan/cPCI adapters Customer Service Overview Titan/cPCI SoftwareProblem Description Connect Tech Product Description System DescriptionEmail/Internet Mail/CourierTelephone/Facsimile RMA Overview Configuration Hardware InstallationBaud Rate Selection Multi-drop Slave Mode Full Duplex ModeHalf Duplex 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 Connectors/Interface DimensionsTitan/cPCI Part Numbers Titan/cPCI-2 Titan/cPCI-4 CertificationGeneral This page is intentionally blank Appendix B Connectors/Pinouts Connector PinoutsDB-37 cable connector pinouts Appendix C Factory Settings Function Factory SettingThis page is intentionally blank Appendix D RS-485/422 Line Interface Electrical Interface SelectionHalf Duplex RS-485 RS-485/422 partial schematic Technical Notes RS-485/422 Cable Wiring RS-485/422 wiring diagram 4 wireRS-485/422 wiring diagram 2 wire Titan/cPCI User’s Manual, ver Titan/cPCI User’s Manual, ver

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