Omega-vehicle-security ISA RS-422 Bedienungsanleitung PDF herunterladen (Seite 5)

Introduction

OMG-ULTRA-SIO Page 1

Introduction

Overview

The OMG-ULTRA-SIO provides the PC with two additional ground isolated RS-

422/485 (P/N 3189) or two non-isolated RS-422/485 (P/N 3089) serial ports for

terminals, modems, printers, etc. Isolation is important in installations where the

equipment being connected to the PC is either far from the PC, or on a different

power transformer circuit. Ground loop current is a commonly neglected and

misunderstood phenomenon that leads to data loss and the possible destruction

of communications interfaces. The isolated OMG-ULTRA-SIO provides up to

500 volts DC of isolation.

What’s Included

The OMG-ULTRA-SIO is shipped with the following items. If any of these items

are missing or damaged, contact the supplier.

• OMG-ULTRA-SIO Serial I/O Adapter (P/N 3189 with isolation or

P/N 3089 without isolation)

• Software

Factory Default Settings

The OMG-ULTRA-SIO factory default settings are as follows:

Port # Base Address IRQ Electrical Specification

Port 1 3E8 5 RS-422

Port 2 2E8 10 RS-422

To install the OMG-ULTRA-SIO using factory default settings, refer to

Installation on page 9.

For your reference, record installed OMG-ULTRA-SIO settings below:

Port # Base Address IRQ Electrical Specification

1 2 3 4 5 6 7 8 9 10 ... 24 25

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Omega-vehicle-security ISA RS-422 Bedienungsanleitung Seite 5