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Compod Programmable Air Flow Sensor Control Module
Multi-Drop RS-485/MODBUS RTU Communications
Simplify basic air flow sensor control installations with Compod!
With its advanced mass air flow sensor capabilities, the Compod™, coupled with Sierra’s SmartTrak® 2 Model 100 mass flow meters (MFM’s) or controllers (MFC’s) greatly simplifies air flow control systems and permits networking of multiple instruments using open-source MODBUS RTU protocol. Compod™ also monitors the functionality of the mass flow meter or controller and includes diagnostics, notifying users of valve faults or system upsets. By adding the Compod™ air flow sensor control module to a new or existing SmartTrak® MFM or MFC, end users can take complete control. Two digital outputs and one analog input can be configured by the user for a wide variety of air flow process controls including:
- Gas mixing and blending
- Batch control
- Sensor driven leak testing
- Process monitoring
- Physical Vapor Deposition (Sputtering)
- Pressure monitoring and control
- Gas ratio control
- Internal valve performance monitoring
- Triggering alarms
- Starting or stopping gas flows automatically under user-defined conditions
- Gas flow totalization with adjustable pulse output
- And many more...
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Compod Software Interface Screen Shots:  More Flow Sensor Features:• Controls simple processes without the need for external PLCs or computers • Acts as a vital link in a complex process control network • Monitors the operation of instruments and provides potential problem alerts • Is available with a local LCD Display for local monitoring • Can be used with new instruments or added to existing models With all of the above features, the Compod™ air flow sensor can perform the same functions as much more complex control systems at a fraction of the cost, so using Compod™ is smart in more ways than one. An internal Compod can also be added inside the industrial enclosure of the Max-Trak® Model 180 to obtain most functions. Users can utilize Sierra’s included software or write proprietary software using open-source MODBUS protocol to configure standard functions for the Smart-Trak®. Compod’s two digital output channels and the analog input channel and a configurable pulse output channel can automate gas processes without the need for an external PLC or computer.
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