Advance PID Options (mass flow setup)

Sample Time once in Steady Window for FIFO

This is how often the control takes snap shots of the mass flow hopper and enters the number in the FIFO table. For quicker FIFO updates you would decrease this number. For a more stable process you would increase this number.

Steady System Limit

This is the allowable percent deviation around the median. The median will be half way between the re-fill set point and the hopper size set point. For material that varies in bulk density or does not flow consistently you may have to increase the limit.

Steady System Time Test

This timer is used to determine whether or not to show the Steady System flag on the main control screen. Rather than going in and out of stable, the process must remain stable for the set time and then the Steady System will be shown.

PID Timer

This is the amount of time that the blender will run without making a change to the auger speeds to adjust the blender though put i.e. pounds per hour.

PID Gain

The gain increase or decreases the size and speed of the adjustments made to the PID. A smaller number makes slower adjustments. A bigger number makes faster adjustments.

Continuous Loss-in-Weight Blenders

Chapter 6:

Appendix

 

59

 

Page 58 Page 60
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Image 59
Sterling 060, 100, 600, 015, SLC 5/04 specifications Steady System Limit, Steady System Time Test, PID Timer, PID Gain
Page 58 Page 60

060, SLC 5/04, 015, 600, 100 specifications

Sterling 100,600,015 SLC 5/04,060 is a robust and versatile industrial automation controller designed to meet the demands of various industrial applications. As part of the Sterling lineup, this model is particularly known for its reliability and advanced features that enhance operational efficiency.

One of the main features of the Sterling 100,600,015 SLC 5/04,060 is its modular architecture, which allows users to customize the system based on their specific needs. The controller supports a wide range of I/O modules, providing flexibility in expanding or modifying the system as production requirements change. This modularity ensures scalability, making it suitable for both small-scale and large-scale applications.

The controller operates on the well-established Allen-Bradley SLC 500 platform, which is known for its stability and ease of use. With a processing speed of 100 kHz, the SLC 5/04,060 can handle multiple tasks simultaneously, ensuring precise control over processes. This speed is complemented by a large memory capacity, allowing for complex programming and data storage without compromising performance.

In terms of communication, the Sterling 100,600,015 SLC 5/04,060 features multiple communication ports, including RS-232 and RS-485 interfaces, making it compatible with various devices and systems. This capability enables seamless integration with existing networks, as well as the implementation of modern network protocols like Ethernet for greater connectivity and data transfer efficiency.

The controller is also equipped with advanced diagnostics capabilities, enabling users to monitor system performance in real-time. This feature not only helps in quick troubleshooting but also aids in predictive maintenance strategies, reducing downtime and optimizing productivity.

In addition to its hardware features, the Sterling 100,600,015 SLC 5/04,060 supports a range of programming languages, including ladder logic, structured text, and function block diagrams. This versatility allows engineers and technicians to choose the most suitable approach for their specific projects, making the development process more intuitive and efficient.

Overall, the Sterling 100,600,015 SLC 5/04,060 is a powerful and adaptable solution for industrial automation, combining advanced technology with ease of use, making it an ideal choice for businesses seeking to enhance their operational capabilities and efficiency.
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