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Connect Tech Titan/cPCI Appendix D: RS-422/485Line Interface, Example, Example, Technical Note:, Titan/cPCI adapters Electrical Interface Selection

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Titan/cPCI User’s Manual, Connect Tech Inc.

Appendix D: RS-422/485 Line Interface

Titan/cPCI adapters Electrical Interface Selection

The Titan/cPCI adapter provides jumper selectable RS-232 and RS-422/485 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-422/485 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-422/485.

JB

	JB0	Port 1	Jumper Legend
	JB1	Port 2	Jumpers on = RS-232
	JB1	Port 2	enabled
	JB2	Port 3	4 port models only
	JB3	Port 4	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-422/485 and ports 3 & 4 are set for RS-232.

JB

	JB0	Port 1	Jumper Legend
	JB1	Port 2	Jumpers on = RS-232
	JB1	Port 2	enabled
	JB2	Port 3	4 port models only
	JB3	Port 4	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 meters.

Revision 1.01

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Contents

Tel: Email: sales@connecttech.com support@connecttech.com URL: Limited Lifetime Warranty Copyright Notice Trademark Acknowledgment Certification Statements Table of Contents Appendix A: Specifications Appendix C: Factory Settings Appendix D: RS-422/485Line Interface List of Tables List of Figures Introduction Customer Support Overview Contact Information Mail/Courier Email/Internet Note: Titan/cPCI Installation Overview Hardware Installation Figure 1: Titan/cPCI two and four port adapters Figure 2: Titan/cPCI Model TN004 for compatibility with 64 bit systems Figure 3: Titan/cPCI TN003 Adapter with LEDs Figure 4: Titan/cPCI Rear I/O two and four port adapters Figure 5: Titan/cPCI Rear I/O Opto two and four port adapters Figure 6: 10-portconfiguration using Front and Rear I/O Titan/cPCI Software Software Installation Installing the Titan/cPCI adapter in your system Titan/cPCI and Rear I/O adapters Configuring the Titan/cPCI Baud Rate Selection RS-422/485Line Interface Full Duplex Mode Appendix D: Software Installation Appendix A: Specifications Surge Suppression Optical Isolation Titan/cPCI Rear I/O Opto (2 & 4 port models): Dimensions Connectors/Interface Appendix B: Connectors/Pinouts Table 2: DB-37cable connector pinouts Table 3: Appendix C: Factory Settings Titan/cPCI Rear I/O Opto adapters Appendix D: RS-422/485Line Interface Full Duplex Mode (4 wire) not installing Half Duplex RS-422/485(2 wire) Multi-dropSlave Mode (4 wire) Figure 7: RS-422/485Partial Schematic Technical Notes: Titan/cPCI Rear I/O Opto 2 and 4 port adapters no bias or termination jumpers clear of all jumpers Jumpers JA Description Titan/cPCI Rear I/O Opto Electrical Interface Selection Full Duplex Mode (4 wire) Half Duplex RS-422/485(2 wire) Multi-dropSlave Mode (4 wire) Figure 8: RS-422/485partial schematic for Rear I/O Opto Figure 8: Page RS-422/485Cable Wiring Figure 9: Figure 10: