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Table of Contents
1. Introduction......................................................... 5
1.1 Features ........................................................................................ 6
1.2 Specifications................................................................................ 7
2. Installation......................................................... 12
2.1 Unpacking.................................................................................... 12
2.2 Safety Cautions .......................................................................... 13
2.3 DIN-Rail Mounting ....................................................................... 14
2.4 Panel Mounting............................................................................ 16
2.5 Applying Power........................................................................... 18
2.6 Power Failure Relay Output ........................................................ 2 1
2.7 DIP SW Configuration.................................................................. 22
2.7.1 RS-485/422 Driver and Receiver Control................................. 28
2.8 Making Serial RS-232 Connection.............................................. 29
2.8.1 Cable for Connection to PC COM Port..................................... 31
3 Making RS-485/422 Connection ....................... 32
3.1 RS-422 Point-to-Point Circuit...................................................... 33
3.2 RS-422 Multi-drop Network......................................................... 34
3.3 RS-485 Multi-drop Network......................................................... 36
3.4 RS-485 Half-duplex 2-wire Network............................................ 38
3.5 RS-485 Full-duplex 4-wire Network ............................................ 39
3.6 Summary of the Converter Applications...................................... 41
4 LED Indicators ...................................................42
4.1 LED Indicators ............................................................................. 42
5 Factory Default Configuration ..........................43