Emerson Ovation™ I/O Input/Output Modules

From:Emerson | author:Mr.Chen | Time :2024-07-17 | 394 view: | Share:

Introduction

Emerson’s Ovation™ control technology is designed to support long-term process reliability and expandability.

With modular plug-in components, Ovation I/O delivers embedded advanced control applications with built-in fault tolerance and system diagnostics.

With their inherent flexibility, Ovation I/O modules convert input signals and create output signals, performing a multitude of functions. Specialized I/O modules are also available.

Simplified Maintenance

Standardized assembly style simplifies maintenance and reduces spare parts inventory costs.

Single-point DIN rail fastening makes installation and configuration quick and easy. Built-in connectors eliminate power and communications wiring.

Ovation I/O modules are software configurable, therefore no jumpers or thumb wheels are necessary. Their advanced electronics also deliver low power consumption.

Features

▪ Modular, plug-in components support long-term process reliability

▪ Modules are installed and configured quickly and easily with single-point DIN rail fastening

▪ Built-in connectors eliminate power and communications wiring

▪ Electronic ID identifies module type, group, serial number and revision

▪ Fewer module styles reduce spare parts inventory costs

▪ Redundant power supplies deliver system reliability

▪ “Hot swapping” streamlines system maintenance

▪ Standardized status indicators offer color-coded diagnostic messages

▪ Remote Ovation I/O provides a flexible, costeffective means to distribute I/O modules to strategic locations throughout the plant

Ovation I/O Architecture

The Base

Ovation packaging reduces the system footprint by using base units which attach to mounting plates by DIN rail; these hold four independent Ovation I/O modules of any style. This approach simplifies maintenance by making it easy to install, move or replace individual base units.

Base unit features include:

▪ Field terminal blocks that accept two 14 AWG or a single 12 AWG

▪ I/O bus communications built into the base

▪ I/O modules automatically addressed by location

▪ I/O modules may reside in any location

▪ I/O module redundant power distribution

▪ No interconnecting cables for I/O bases

▪ Built-in spare fuse holders and strip gauge in base

The base unit’s high-impact plastic housing protects the backplane, exposing only the connectors as modules are removed.

The I/O Module

The I/O module includes an electronic module and a personality module or cavity insert. The I/O module converts field signals into data and sends it to the controller. Electronic module styles include digital and analog input and output modules, contact inputs, RTD inputs, pulse accumulator / counter, HART input and output modules, FOUNDATION Fieldbus, Profibus, DeviceNet, Ethernet and serial link controller modules.

I/O modules offer a number of protective features including:

▪ Signal conditioning, part of the surge-withstand feature, dissipates voltage “spikes” to protect the electronics

▪ Fuses protect the circuit in case of a short in the field device line

Each module is “hot swappable,” allowing it to be removed and replaced without interrupting system power or using mechanical tools. The standard Ovation system configuration allows for up to 128 I/O modules in a local configuration. This modular approach simplifies maintenance by requiring less assembly and offering a compact and uniform architecture.

Controller I/O Capabilities

The Ovation controller supports multiple I/O capabilities in various combinations, including:

▪ Hardware I/O interfaces to Ovation I/O

▪ Q-Line I/O plus software I/O in the form of simulated I/O

▪ Virtual I/O generally communicated from OEM models and systems

Ovation I/O has two methods of implementation: locally within the controller and remotely away from the controller. Remote I/O provides a means to distribute I/O throughout a plant.