Self-Test Wiring - ICP DAS USA DS-2200 Series Quick Start Manual

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Self-Test Wiring

Wiring Notes for RS-232/485/422 Interfaces:
: Here, the RS-232 and RS-485 wiring is used as an example.

RS-232 Wiring
RxD
TxD
GND
RTS
CTS

RS-485 Wiring
DS-2200
Data+
Data-
GND
While using RS-485 modules, you can not wire the Data+ with Data- signals for self-test. But you
can test two RS-485 ports by wiring the Data1+ with Data2+ signals, and wiring the Data1- with
Data2- signals. Then send data to one and receive data from another.
Technical support:
TxD
RxD
GND
CTS
RTS
RS-485
Modbus Device
Data+
Data-
GND
service@icpdas.com

RS-422 Wiring
DS-2200
TxD+
TxD-
RxD+
RxD-
GND
RS-422
Modbus Device
RxD+
RxD-
TxD+
TxD-
GND
P3