Micro Technic RS485 Rotary-switch, Irq Select, Pin column array, Page 5 of, RS232, RS422

Users Manual & Installation Guide

SCHEMATIC OUTLINE

I/O ADDRESS SELECT

(Rotary-switch)

RS485 (4),(2)

RS422

RS232

RS485 (2)

RS422

RS232

RS232

RS485(2)

RS232

RS485(2)

PV- SERIES 4-PORTRS232/RS422/RS485

IRQ SELECT

(Pin column array)

1.DCD

2.RxD

3.TxD

4.DTR

5.GND

6.DSR

7.RTS

8.CTS

9.RI

RS232

3.Tx-

4.Rx-

5.GND

8.Tx+

9.RX+

RS422

3.DATA-

4.RTS-

5.GND

8.DATA+

9.RTS+

RS485

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