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ABB AO2000 Series Advance Optima Continuous Gas Analyzers
ABB AO2000 Series Advance Optima Continuous Gas Analyzers
Overview
Advance Optima AO2000 Series is a line of modules used for process gas analysis.
The product line consists of the following modules:
• Analyzer Modules
• Pneumatics Module
• Electronics Module
• I/O Modules and I/O Boards
• Housing with Display and Control Unit
• System Bus
The modules can be arranged in various ways to form single or multiple analyzer systems.
An analyzer unit (see example 1 on page 5) usually consists of:
• One analyzer module
• the electronics module
• the power supply
• the housing with display and control unit
A multiple analyzer system (see example 2 on page 5) in its maximum stage of extension consists of:
• Four analyzer modules handling up to six sample components
• The pneumatics module
• The electronics module
• The required number of power supplies
• The required number of housings
Pneumatics Module
The pneumatics module contains the following elements when fully equipped:
• One or three solenoids to control test gas supply
• One or two disposable elements for fine filtration
• One gas supply pump with coarse filter and capillary
• One or two flow monitors
Electronics Module
The electronics module incorporates the system controller with I/O modules and I/O boards.
The system controller carries out the following functions:
• Processing and communicating the measured values supplied by the analyzer module sensor electronics
• Compensating measured values, e.g. cross sensitivity correction
• Controlling system functions, e.g. calibration
• Display and control functions
• Controlling associated systems, e.g. gas supply
• Communicating with external systems
The I/O modules are attached and directly connected to the system controller board. There are four types of I/O modules:
• Analog output modules have two analog outputs.
• Digital I/O modules have four digital inputs and four digital outputs.
• Modbus modules have one RS485 and one RS232 interface.
• Profibus modules have one RS485 and one MBP interface (not intrinsically safe).
Examples of I/O module and I/O board applications include:
• Output of measured values
• Output of status and alarm signals
• Calibration control
• Control of external solenoid valves and pumps
• Measurement range switching and feedback
• Supply of external analyzer current or status signals
• Supply of status signals from peripherals
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