SentryNET4 (SN4) Chemical Automation Controller

Description: The SentryNET4 (SN4) is a highly capable chemical automation controller designed for intricate chemical process management. It offers extensive connectivity options for sensor and actuator integration, along with advanced control features for various types of pumps.

Core Specifications:

  • Design: The SN4 features a robust and compact design, ensuring its suitability for tight industrial spaces.

  • Interface: A user-friendly interface includes a clear display and intuitive controls for straightforward operation.

  • Power: Operates on a +12V DC input, aligning with standard industrial power requirements.

Connectivity and Communication:

  • Sensor Inputs: Comes with three analog inputs (AI1, AI2, AI3) and two digital inputs (DI1, DI2) to connect a wide range of sensors for comprehensive monitoring.

  • Output Control: Two analog outputs (AO mA, AO V) provide precise control for external devices.

  • Modbus Communication: Dual RS485 ports support Modbus protocols as Slave or Master, facilitating versatile system integration.

Pump Management and Control:

  • SmartStroke™: A specialized feature for maintaining consistent pump stroke rates for brushed motors, independent of power supply variability.

  • OFE Expansion Pack: Offers additional inputs for larger systems, including 8 analog and 8 digital inputs, all accessible via Modbus.

Advanced Features:

  • Scavenger Control: Enables precise adjustment of injection rates based on production data and analysis.

  • Level Monitoring: Capable of utilizing various sensor technologies to provide accurate readings for tank levels.

  • pH Regulation: Automated system to control pH levels, essential for maintaining process integrity in refining operations.

  • Batch Processing: Allows for the setting of batch volumes and periods, with additional valve timing controls.

  • Temperature Control: Manages methanol injection based on temperature data to optimize process outcomes.

Support for Various Pump Types:

  • Solar Pumps: Equipped with ON/OFF control and SmartStroke™ technology.

  • Pneumatic Pumps: Managed via solenoid control.

  • Electric Pumps: Compatible with voltage (0-5V) or current (4-20mA) control signals.

Applications: The SentryNET4 is engineered to perform in complex automation setups, making it suitable for applications that require detailed and reliable chemical management. From water treatment facilities to oil refineries, the SN4 stands as a comprehensive solution for process automation needs.

SN4 Compliance Standards:

The SentryNET4 (SN4) is pending assessment and is anticipated to be certified concurrently with the OFC400, adhering to the following standards:

  1. CSA C22.2#213:2017 (Edition 3 with Updates U1, U2, U3): This standard specifies the requirements for Nonincendive Electrical Equipment for use in Class I and II, Division 2, and Class III, Divisions 1 and 2 Hazardous (Classified) Locations. Compliance ensures the SN4 is suitable for safe operation in environments with potentially explosive gases or dust present under abnormal conditions.

  2. CSA C22.2#61010-1-12:2012 (Edition 3 with Updates U1, U2; Amendment A1): This safety standard addresses Electrical Equipment for Measurement, Control, and Laboratory Use Part 1: General Requirements. It establishes guidelines for the safe design, manufacture, and operation of control equipment used in various measurement and laboratory contexts. Adherence to this standard confirms the SN4's capability to meet rigorous safety benchmarks.

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