Connect-tech DFlex-4/104 Bedienungsanleitung PDF herunterladen (Seite 71)

Chapter 4: Appendix F - RS-485/422 Options 4-21

DFlex-4/104 User's Manual, ver. 0.04

RS-485/422 Cable Wiring

You can wire DFlex-4/104 adapters with the RS-485/422 option

in various ways to communicate with RS-485/422 peripherals.

This section will descibe a few examples of RS-485/422 cabling

schemes.

Figure 15 describes a 4 wire cabling scheme between a port on

the DFlex-4/104 adapter to a port on the RS-485/422 peripheral.

Figure 15: RS-485/422 wiring diagram (4 wire)

RTS +

RTS -

CTS +

CTS -

TxD +

TxD -

RxD +

RxD -

RxD +

TxD +

RxD -

TxD -

RTS -

CTS -

RTS +

CTS +

DFlex-4/104 adapter RS-485 peripheral

Figure 16 describes a 2 wire cabling scheme between a port on

the DFlex-4/104 adapter to a port on the RS-485/422 peripheral.

Figure 16: RS-485/422 wiring diagram (2 wire)

RTS +

RTS -

CTS +

CTS -

TxD +

TxD -

RxD +

RxD -

RxD +

TxD +

RxD - TxD -

RTS -

CTS -

RTS +

CTS +

DFlex-4/104 adapter RS-485 peripheral

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