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1 Analog I/O Option OPCAIO

1.1 Introduction

1.1.1 OPCAIO Analog I/O Option Module

The Analog I/O card is supposed to be used in the following cases:

Providing battery back-up of clock function on control card

As general extension of analog I/O selection available on control card

Turning frequency converter into de-central I/O block supporting Building Management System with inputs for sensors and outputs for operating
dampers and valve actuators

Support Extended PID controllers with I/Os for set point inputs, transmitter/sensor inputs and outputs for actuators.

Illustration 1.1: Principle diagram for Analog I/O mounted in frequency converter.

Analog I/O configuration

3 x Analog Inputs, capable of handling following:

0 - 10 VDC

OR

0-20 mA (voltage input 0-10V) by mounting a 510

 resistor across terminals (see NB!)

4-20 mA (voltage input 2-10V) by mounting a 510

 resistor across terminals (see NB)

Ni1000 temperature sensor of 1000 

 at 0

°

 C. Specifications according to DIN43760

Pt1000 temperature sensor of 1000 

 at 0

°

 C. Specifications according to IEC 60751

3 x Analog Outputs supplying 0-10 VDC.

Analog I/O Instruction

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