Honeywell TC-PRS021

Detailed parameter table

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Parameter name	Parameter value
Product model	TC – PRS021
Manufacturer	Honeywell
Product category	Control processor module
Supply voltage	24 V DC
Module power requirements	+5 V DC ±5% @ 1.5 A, +3.3 V DC ±5% @ 1.0 A
Weight	0.50 kg (Some sources mention 0.18 kg or 0.6 kg, 0.50 kg is a common value among available data)
Dimensions	14.5 x 12 x 5.3 cm (Based on available source)
Operating temperature range	-55 °C to +85 °C
Certifications	CE, UL
Communication protocols supported	Bacnet, Modbus, Lonworks and potentially others for versatile industrial connectivity
Memory backup	Internal lithium battery backup for up to 144 hours (non – rechargeable and easily replaceable); external battery backup module for up to 120 hours operation (lithium – ion battery must not be present when using external backup)

Product introduction

The Honeywell TC – PRS021 is a high – performance control processor module, playing a pivotal role in industrial automation systems. As an integral part of Honeywell’s product portfolio, especially within the Experion Process Knowledge System (PKS) C200 controller family, the TC – PRS021 is designed to meet the complex demands of modern industrial control.

This module is engineered to handle a wide range of control applications. It can execute control algorithms, perform data acquisition from various sensors, and manage communication with other components in the control system. For example, in a manufacturing plant, the Honeywell TC – PRS021 can receive data from temperature, pressure, and flow sensors. It then processes this data according to pre – programmed logic and sends control signals to actuators such as valves and motors, ensuring smooth and accurate operation of the production process. Its ability to interface with multiple devices and protocols makes it suitable for integration into both simple and complex industrial setups.

Core advantages and technical highlights

Rugged and reliable design

The Honeywell TC – PRS021 is built to withstand harsh industrial environments. With an operating temperature range of -55 °C to +85 °C, it can function reliably in extreme cold or hot conditions. Whether it’s deployed in a frigid cold storage facility or a sweltering chemical processing plant, the module’s performance remains stable. Additionally, its robust construction and high – quality components contribute to its long – term reliability, reducing the need for frequent replacements and minimizing downtime in industrial operations.

Intelligent self – calibration and compensation

The module features intelligent self – calibration and compensation functionality. It can automatically detect factors such as zero drift and sensitivity change in connected sensors and perform real – time compensation according to preset calibration algorithms. For instance, in a pressure – monitoring application, as the pressure sensor’s performance may drift over time or due to environmental conditions, the TC – PRS021 can adjust its measuring parameters via this intelligent function. This ensures that the measurement values always remain within a high – precision range, greatly enhancing the accuracy of the control system, especially in complex and variable industrial environments.

Wide – ranging communication capabilities

Equipped with support for multiple communication protocols like Bacnet, Modbus, and Lonworks, the Honeywell TC – PRS021 can seamlessly integrate into existing industrial networks. This versatility allows it to communicate with a diverse array of devices, including programmable logic controllers (PLCs), human – machine interfaces (HMIs), and various sensors and actuators. In a large – scale industrial complex, the module can facilitate real – time data transfer between different parts of the control system, enabling efficient monitoring and control of the entire production process.

Typical application scenarios

In the oil and gas industry, the Honeywell TC – PRS021 is extensively used. For example, in oil refineries, it can monitor and control the temperature, pressure, and flow of crude oil and refined products during the refining process. It ensures that the refining equipment operates within the optimal parameters, improving the quality of the final products and reducing energy consumption. In gas pipelines, the module can receive data from sensors along the pipeline to detect leaks or abnormal pressure changes. Based on this data, it can trigger alarms and initiate corrective actions to ensure the safe operation of the pipeline.

In power generation facilities, the TC – PRS021 plays a crucial role. In coal – fired power plants, it can control the combustion process by adjusting the amount of coal and air supplied to the boilers. By precisely controlling these parameters, the module helps to optimize power generation efficiency and reduce emissions. In hydroelectric power plants, it can manage the operation of turbines and generators, ensuring stable power output.

In the manufacturing sector, especially in industries such as automotive and electronics, the Honeywell TC – PRS021 is used to control automated production lines. It can coordinate the movement of robotic arms, conveyor belts, and other manufacturing equipment. For example, in an automotive assembly line, the module can ensure that each component is accurately placed and assembled, improving production efficiency and product quality.

Related model recommendations

Honeywell TC – PRR021

It is a redundancy – related module often paired with the TC – PRS021 in industrial control systems. The TC – PRR021 provides redundancy features, such as redundant power supply and communication paths, to enhance the overall reliability of the control system. In critical industrial applications where continuous operation is essential, the combination of TC – PRS021 and TC – PRR021 can ensure that the system remains operational even in the event of a component failure.

Honeywell CC – PCNT01

This module can work in tandem with the TC – PRS021 in a control system. It may handle specific control tasks or interface functions, complementing the capabilities of the TC – PRS021. For example, CC – PCNT01 could be responsible for a particular type of data processing or communication protocol handling, while the TC – PRS021 manages the overall control logic and coordinates with other components in the system.

Honeywell TK – FTEB01

Although it is a Fault – Tolerant Ethernet (FTE) Bridge Module, it can be integrated with the TC – PRS021 in industrial setups. The TK – FTEB01 enables seamless communication between different network segments in a redundant network environment. When combined with the TC – PRS021, it can ensure reliable data transfer for the control processor module, especially in large – scale industrial networks where network redundancy is crucial for continuous operation.

Honeywell CC – PFB801

This module might be related to communication or interface functions within the control system. It can be used in conjunction with the TC – PRS021 to enhance the system’s communication capabilities. For instance, CC – PFB801 could provide additional communication ports or support for specific industrial communication protocols, enabling the TC – PRS021 to communicate with a wider range of devices more effectively.

Honeywell 8C – PAIH51

It is likely an input/output (I/O) module. In an industrial control system, the TC – PRS021 can work with the 8C – PAIH51 I/O module to interface with field devices. The 8C – PAIH51 can collect analog input data from sensors and send it to the TC – PRS021 for processing, and also receive control signals from the TC – PRS021 to drive actuators, thus forming a complete control loop.

Installation, commissioning and maintenance instructions

Installation preparation

Before installing the Honeywell TC – PRS021, ensure that the installation area is clean, dry, and free from excessive dust and moisture. The ambient temperature should be within the specified operating range of -55 °C to +85 °C. Use appropriate electrical tools and follow all safety regulations. Disconnect the power supply to the system where the module will be installed to prevent electrical shock. Check the compatibility of the TC – PRS021 with other components in the system, such as ensuring that the mounting location has the correct mechanical and electrical interfaces. Also, verify the integrity of the internal lithium – battery backup or prepare for the installation of an external battery backup module if required.

Commissioning

After installation, power on the system. Use the relevant programming software provided by Honeywell to configure the module’s communication parameters, such as setting up the IP address for network – based communication and selecting the appropriate communication protocols. Program the control logic according to the specific requirements of the industrial application. Test the module’s functionality by sending test signals to connected sensors and actuators and checking for proper responses. Calibrate any sensors connected to the module to ensure accurate data acquisition.

Maintenance suggestions

Regularly inspect the Honeywell TC – PRS021 for any signs of physical damage, such as cracks or loose connections. Clean the module periodically to remove dust, as dust accumulation can affect its performance, especially in high – temperature environments. Check the power supply voltage and current levels regularly to ensure they are within the specified range. If there are any issues, refer to the user manual for troubleshooting steps. Replace the internal lithium – battery backup as per the recommended schedule (usually when its backup time significantly decreases). In case of component failures, use only genuine Honeywell replacement parts to maintain the module’s performance and reliability. Keep the module’s firmware up – to – date by downloading the latest versions from Honeywell’s official website to benefit from performance improvements and bug fixes.

Service and guarantee commitment

Honeywell stands firmly behind the Honeywell TC – PRS021 with a comprehensive service and guarantee. The product typically comes with a standard warranty, during which any manufacturing defects will be rectified at no cost to the customer. Honeywell’s global network of technical support teams is available to provide assistance. Whether it’s installation guidance, complex troubleshooting, or advice on system integration, their experts are well – equipped to help. The company also invests continuously in research and development, which may lead to future improvements and optimizations for the TC – PRS021. This commitment reflects Honeywell’s confidence in the product’s quality and its dedication to meeting the long – term needs of its customers in the industrial automation field.