Screw Compressor Controls

Common Functionality and Features

These systems share a common set of functionality and features as follows:

• Common Scalable Hardware and Software Platform
• Real-Time, Easy-To-Read Animated Graphics Display
• Status and Diagnostic Screens Providing Continuously Updated Data on the Compressor’s Operating Conditions
• Extensive Alarm Reporting and Data Logging
• Data-Entry Screens For Control, Alarm and Failure Set Points Allowing Observation and Entry in the Processor’s Memory
• Comprehensive Set of Energy Management Features Including Set Point Scheduling, Ramp Start and Power-Fail Restart
• Built-In Open Communications Protocols Including Modbus RTU and Allen-Bradley DF1
• NEMA 4 Control Cabinet with Door-Mounted Keypad and Display
• Universal High Efficiency Power Supplies
• Microcontroller Main Processing Board
• Pre-Numbered Field Wiring Terminal Strip
• Battery with 10 Year Life to Ensure Data Retention During Power Interruption
• 16 Analog Sensor Inputs
• 4 Analog Control Outputs
• 64 Discrete I/O

Enhanced Control Functions

With the additional I/O provided, our compressor control systems can be designed to support the following additional equipment control solutions:

• Condenser Control
• Pump Package Control
• Evaporator Control
• Vessel Control
• Surge Drum Control
• As well as other multi-task functions as required