Response Electronics CL6011B Especificaciones descargar pdf (Pagina 17)

2Ć3Product Overview

Original Ć June 1990

CE4.2:CL6211

Computer / Highway Interface Package Ċ The Computer/Highway

Interface Package (CHIP) provides plant computers with access to the

entire PROVOX process database. This allows users to do special

calculations for optimization, reporting, process analysis, and other plant

management tasks.

Application Software Ċ Application software consists of packages such

as Data Historian, Console Trend Display, and Batch Data Manager.

These software packages perform a variety of data

acquisition/management/display functions. Application software

packages interface with PROVOX devices through the CHIP.

Data Concentrator Unit / Regulatory Controller Ċ The Data

Concentrator Unit (DCU) is a device which serves as a buffer between

the PROVOX Data Highway and Configurable, Computing, and

Interactive Controllers. These controllers are designed for continuous

control applications.

2.2 The Computing Controller Unit

The Computing Controller is a user-configured, digital controller for

continuous processes. It combines advanced computing power with

linear and nonlinear control for single loop and cascade control

applications. The controller can perform control tasks such as blending,

temperature and flow linearization, pH control, and mass flow

calculations. Operator interface is achieved through a system console or

through a panel-mounted operator station.

The Type CL7011 Computing Controller Assembly consists of a printed

circuit card that occupies one slot in a rack-mounted controller card file.

The computing controller assembly employs a microprocessor for

performing signal processing and communications. All calculations use

floating-point arithmetic to reduce scaling requirements. Predefined

control algorithms and functions are contained in the controller for

simplified configuration. Because all configuration data are retained in

nonvolatile memory, re-configuration of the controller after a power

failure is normally not required. All process input and output (I/O), Data

Concentrator, and power connections between the controller and the

card file are made through the back edge of the controller card. Operator

station communications and power are provided through a connector on

the front edge of the controller card. The Type CL6211 Computing

Controller Assembly consists of a Type CL7011 Computing Controller

Assembly and a Type CD6201 Controller Operator Station Unit. The

Type CL7012 Computing Controller Assembly is a redundant version of

the Type CL7011 Computing Controller Assembly.

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