Machinery Monitoring System’s Sentinel®-CPM (Compressor Performance Monitor) was designed to provide “Real Time Compressor Health and Safety Monitoring”. Calculations, including Horsepower, Rod Loads, Theoretical Temperatures, and Flows, utilizing ACI’s state-of-the-art eRCM Kernel calculations and algorithms that are tailored to the individual machine.
Sentinel – CPM Key Features
- Real time measurements and alarming of rod loads and degrees of reversal
- Automated leak detection of suction & discharge valves, rings and packing
- eRCM Kernel enhanced with MMS real time compressor performance calcs
- Changeable Usernames, Encrypted Passwords and Multi-Factor Authentication per TSA mandates
- Continuous monitoring of up to 6 double-acting compressor cylinders (up to 10 cylinders w/ an additional CPM module
- 12 pressure sensor inputs
- 2 Magnetic Pickup inputs (TDC & Deg)
- MODBUS (RS-485 & Ethernet) communication
- Class I, Division 2 rating pending
- Alarm Relay – Dry contacts
Sentinel – CPM Calculations
- Cylinder-End HPs
- Suction/Discharge Pressures
- Suction/Discharge VEs
- Rod Reversal/Loads
- Theoretical Discharge Temperatures
- Flows & Flow Balances
- Flow Profile Algorithm
- OEM Methods and Limits Used
- Theoretical PV Cards
- Calculated Clearances
- Interstage Pressure Predictions
- Gas Leakage Rates
