Connect Tech DFlex-4/104

4-26 Chapter 4: Appendix G - RS-423 Option

DFlex-4/104 User’s Manual, ver. 0.04

RS-423 Cable Wiring

You can wire DFlex-4/104 adapter with the RS-423 option in

various ways to communicate with RS-423 peripherals. This

section will descibe a few examples of RS-423 cabling schemes.

Figure 18 describes a 4 wire cabling scheme between a port on

the DFlex-4/104 adapter to a port on the RS-423 peripheral.

Figure 18: RS-423 wiring diagram (4 wire)

CTS +

TxD -

RxD +

RxD -

RxD +

RxD - TxD -

RTS -

CTS -

DFlex-4/104 adapter RS-423 peripheral

Figure 19 describes an all wire cabling scheme between a port on

the DFlex-4/104 adapter to a port on the RS-423 peripheral.

Figure 19: RS-423 wiring diagram (all wire)

CTS -

CTS +

RTS -

TxD -

RxD +

RxD -

RxD + SR

RxD - TxD -

RTS -

CTS -

CTS +

SG SG

DFlex-4/104 adapter RS-423 peripheral

Contents

Main Connect Tech Inc. DFlex-4/104 Page LIMITED WARRANTY Copyright Notice Trademark Acknowledgment Page Page Table of Contents Page List of Tables List of Figures Page Chapter 1: Introduction Page Page Page Page Page Chapter 1: Introduction 1-5 DFlex-4/104 User's Manual, ver. 0.04 Figure 2: DFlex-4/104 - 16 port configuration Page Page Page Page Page Chapter 2: Hardware Installation Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Chapter 3: Software Installation Page Page Page Page Utilities Chapter 4: Appendices Page Appendix A: Specifications Page Appendix B: Connectors/Pinouts Page Page Page Appendix C: Factory Settings Page Page Page Appendix D: SLIM Insertion/Removal Page Appendix E: RS-232 SLIM Option Page Page 4-16 Chapter 4: Appendix E - RS-232 Option Table 8: SLIM pinouts Note: earlier versions of the current loop SLIM have pins 22, 23, 32, and 33 tied low. Appendix F: RS-485/422 Options Page Chapter 4: Appendix F - RS-485/422 Options 4-19 DFlex-4/104 User's Manual, ver. 0.04 Figure 14: RS-485/422 SLIM partial schematic 4-20 Chapter 4: Appendix F - RS-485/422 Option Table 9: SLIM pinouts Note: earlier versions of the current loop SLIM have pins 22, 23, 32, and 33 tied low. Page Page Appendix G: RS-423 Options Page Chapter 4: Appendix G - RS-423 Options 4-25 Table 10: SLIM pinouts Note: earlier versions of the current loop SLIM have pins 22, 23, 32, and 33 tied low. Page Appendix H: 20mA Current Loop Option Page Page 4-30 Chapter 4: Appendix H - 20mA Current Loop Table 11: SLIM pinouts Note: earlier versions of the current loop SLIM have pins 22, 23, 32, and 33 tied low.