Description: The OFC400 Chemical Automation Controller is a sophisticated and versatile device designed for comprehensive management and automation of chemical processes. It enhances efficiency and accuracy in a range of industrial applications through its extensive sensor interfacing and control capabilities. The OFC400 is designed and tested to meet high safety and quality standards, making it suitable for a wide range of industrial applications, including those in hazardous locations.

Core Specifications:

• Dimensional Outline: The controller presents a compact and efficient design with dimensions of 101.6 mm x 89 mm, optimized for space-conscious installations.

• Display and Interface: A robust LCD and control interface provide clear feedback and convenient programmability.

• Power Supply: Standard +12V DC power input accommodates conventional industrial power systems.

Connectivity and Communication:

• Sensor Inputs: Features three analog inputs (AI1, AI2, AI3) for comprehensive sensor data acquisition and two digital inputs (DI1, DI2) for enhanced process control.

• Analog Outputs: Two analog outputs (AO mA, AO V) are available for actuating external devices and regulating processes.

• Communication Protocols: Dual RS485 ports offer flexible Modbus connectivity, with one capable of functioning as either Slave or Master, facilitating integration with customer SCADA and HMI systems.

Functional Features:

• Pump Control: Advanced pump power monitoring with amps/volts display and programmable shutoff thresholds for both high amps and low volts.

• Solar and Pneumatic Pump Management: Supports ON/OFF and SmartStroke™ control for solar pumps, alongside solenoid control for pneumatic pumps.

Advanced Motor Control:

• SmartStroke™ Technology: Designed for brushed motors, it ensures consistent pump stroke rates, independent of solar power voltage fluctuations, and incorporates auto stroke detection for maintenance-free operation.

Expansion Capabilities:

• OFE Expansion Pack: Enhances the controller's interfacing with an additional 8 analog inputs, 8 digital inputs, and accessibility via Modbus, providing a scalable solution for complex systems.

Process Control Features:

• Scavenger Control: Injection rate modulation is refined through multiple parameters, including analyzer feedback and target ppm calculation.

• Tank Level Monitoring: Utilizes a variety of sensor inputs for accurate depth measurement and integrates conversion to usable data for process control.

• pH Control: Automated pH regulation to maintain desired refinery process conditions.

• Batch Processing: Flexible batch volume and timing control, with programmable flush valve timing, supporting a wide range of operational modes.

• Temperature-Based Methanol Control: Facilitates methanol injection based on temperature correlations, with straightforward on/off functionality.

Diverse Applications: The OFC400 is adept at handling the complexities of various chemical processes. It's an ideal fit for environments requiring detailed process automation, such as water treatment plants, oil refineries, and other sectors demanding high precision in chemical dosing and control.