DCP200 Profile Controller & Recorder - Product Manual

RTD

Resistance Temperature Detector. A temperature sensor that changes resistance with a change in the measured temperature. This instruments process input supports PT100 (platinum, 100Ω at 0°C) and NI120 (nickel, 120Ω at 0°C) sensors. These have positive temperature coefficients (PTC) which means their resistance increases with higher temperatures. The temperature measured by the sensor can be displayed as °C; °F or °K.

Also refer to: Input Range, Process Input and Thermocouple.

Scale Range Upper Limit

For linear inputs, this parameter is used to scale the displayed process variable. It defines the displayed value when the process variable input is at its maximum value (e.g. if 4 to 20mA represents 0 to 14pH, this parameter should be set to 14). The value can be set anywhere from -1999 to 9999 and can be set to a value less than (but not within 100 LSDs of) the Scale Range Lower Limit, in which case the sense of the input is reversed.

Settings = -1999 to 9999

Default value = 1000.

For thermocouple and RTD inputs, this parameter is used to reduce the effective span of the input. All span related functions work from the trimmed input span. The parameter can be adjusted within the limits of the range, but not less than 100 LSD’s above the Scale Range Lower Limit.

Settings = Range Max to Min.

Default value = Max value of selected temperature range).

Also refer to: Engineering Units, Input Range, Input Span, LSD, Process Variable and Scale Range Lower Limit.

Scale Range Lower Limit

For linear inputs, this parameter is used to scale the displayed process variable. It defines the displayed value when the process variable input is at its minimum value (e.g. if 4 to 20mA represents 0 to 14pH, this parameter should be set to 0). The value can be set from -1999 to 9999 and can be set to a value higher than (but not within 100 LSDs of) the Scale Range Upper Limit, in which case the sense of the input is reversed.

Settings = -1999 to 9999Default value = 0.

For thermocouple and RTD inputs, this parameter is used to reduce the effective range of the input. All span related functions work from the trimmed input span. The parameter can be adjusted within the limits of the range, but not less than 100 LSD’s below the Scale Range

Upper Limit.

 

Settings = Range Max to Min.

Default value = Min value of selected temperature range).

Also refer to: Engineering Units, Input Range, Input Span, LSD, Process Variable and Scale Range Upper Limit.

Secondary Proportional Band

The portion of the input span over which the Secondary Output power level is proportional to the process variable value. The Control action for the Secondary Output is always the opposite of the Primary output. The Secondary Proportional Band is only applicable when Dual Control Type is used.

Settings = On-Off Control or 0.5% to 999.9%

Default Value = 10%.

Also refer to: Control Action, Control Type, On-Off Control, Input Span, Overlap/Deadband, PID, Primary Proportional Band and Tuning.

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Glossary

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Honeywell DCP200 manual Scale Range Upper Limit, Scale Range Lower Limit, Secondary Proportional Band
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DCP200 specifications

The Honeywell DCP200 is an advanced distributed control platform designed to enhance efficiency, reliability, and flexibility in industrial automation. With a robust architecture capable of supporting a wide range of applications, the DCP200 is perfect for sectors including oil and gas, chemical processing, power generation, and manufacturing.

One of the key features of the Honeywell DCP200 is its scalability. It can be easily expanded to accommodate increasing demands, making it suitable for both small operations and large enterprises. This flexibility allows industries to adopt the system gradually, integrating it into their existing processes without substantial downtime or a steep learning curve.

The DCP200 is built on open standards, facilitating seamless integration with third-party systems and equipment. This compatibility ensures that companies can leverage existing infrastructures and investments, fostering a more cohesive operational environment. Enhanced interoperability is achieved via industry-standard communication protocols, enabling devices to communicate fluently across diverse platforms.

Another significant characteristic of the DCP200 is its powerful data acquisition and processing capabilities. The system utilizes state-of-the-art data analytics tools to monitor real-time information, enabling better decision-making and predictive maintenance. This proactive approach helps in reducing downtime, optimizing performance, and ultimately driving operational excellence.

The DCP200 system supports a wide range of input and output options, ensuring it can interface with various sensors, actuators, and control devices. This adaptability contributes to its function as a central hub for industrial monitoring and control, enhancing data visibility and operational responsiveness.

Security is a top priority for Honeywell, and the DCP200 employs robust cybersecurity measures to protect critical infrastructure. The system includes advanced authentication protocols and data encryption techniques, safeguarding sensitive information from unauthorized access and potential cyber threats.

User experience is also a focal point of the DCP200. The platform features an intuitive graphical user interface that simplifies navigation and enhances operator engagement. Customizable dashboards provide at-a-glance insights into system performance, aiding both operators and management in identifying areas for improvement.

In conclusion, the Honeywell DCP200 is an innovative distributed control platform that marries flexibility, scalability, and security. With its comprehensive feature set and commitment to seamless integration, it stands as a vital tool for companies aiming to enhance their automation efforts and drive operational success in an increasingly complex industrial landscape.
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