PLC SHIFT
LIQUID FLOW
API Compliant Liquid and Net Oil Flow Computer. API 11.1, 11.2, 11.4.1. Includes hourly and daily history, event and alarms log and QTR.
LIQUID FLOW is a full featured, API compliant liquid hydrocarbon flow computer app for PLC SHIFT. Accurate and reliable measurement is critical for custody transfer and precise process control. Reliable measurement requires auditability to ensure accuracy.
Key Features
API 11.1, 11.2.1, 11.2.2
Temperature and Pressure Volume Correction for Generalized Crude Oils, Refined Products, Lubricating Oils, NGL and LPG
API 11.4.1, API 20.4
Temperature Volume Correction for Water and Produced Water
Net Oil
Net Oil and Net Water calculation with support for water cut analyzer or inferred method with Coriolis meter.
Coriolis Meter Support
Directly poll the following meters;
Micromotion 2700, 5700
E+H Promoss 83, 100, 300 and 500
Krohne MFC 400
Compliant with API MPMS 21.1 and 21.2 and AER Directive 17
Double precision float accuracy for internal calculation and record export
Daily, Hourly and minute history logs
Configuration change logs
EFM Event log
EFM Alarm log
Batch / QTR (Quantity Transaction Record)
Secure access control via SSH
Flow Computer Accuracy Testing and Validation
Algorithms and accumulations are validated against industry standard test cases
Read more about flow computer accuracy in the Reference Manual
Well Testing
Combine with PLC Shift Gas Flow to solve complex measurement requirements such as Well Testing. Read more about the PLC Shift Well Test App
PLC SHIFT Features
Integration with existing PLCs, RTUs and Flow Computers
Communicate directly to Compact/ControlLogix, Codesys, SCADAPack, or any Modbus capable device.
7 Day demo license
Apps will run fully featured for 7 days without a license for convenience and testing
Free configuration, management and operations tool
Modbus TCP Server
Read and write directly to the apps via the Modbus TCP server. Each app has a unique Modbus Unit ID to facilitate standardized HMI templates.
Web HMI
Automatically generated web HMI, served directly from the app for local and remote status and control
MS SQL, Azure and MQTT SparkplugB Export
Stream tag and historical data to MS SQL, Azure or an MQTT broker to enable real-time analytics and auditability.
Secure Connections
Modern security and encryption methods such as SSH and TLS for user access and data connectivity
App API
Read/write access to app tags via gRPC. Encrypted and authenticated role based access control with single sign-on.