BACnet HMI | HMI5 vs PIDTune Kullanım & İstatistikleri

Note: refer to the documentation to create the configuration file and to transfer it with iTunes File Sharing. Transform your iPhone or iPad into a BACnet HMI (Human-machine interface). Create a mobile BACnet application using the web technologies: HTML5, CSS, and JavaScript Create mobile applications with native BACnet access using standardized web APIs. A JavaScript API is provided to natively access devices on a BACnet network. + Access BACnet devices on the local network (Wi-Fi) or Register as a Foreign Device to a remote network through the cellular network or Wi-Fi. + Allows to perform read and write operations on the property Present_Value for objects of the following type: Binary Input, Binary Output, Binary Value, Analog Input, Analog Output, Analog Value, Multi-state Input, Multi-state Output and Multi-state Value. + Allows to read most available properties of the BACnet objects. + Support for write command Priority (selectable priority and NULL value / Relinquish Default). + Create dynamic user interface for tablets, phones and other devices. * Documentation: https://bacmove.com/bacnet-hmi-hmi5 https://bacmove.com/bacnet-hmi-hmi5-guide BIBB: DS-RP-A DS-RP-B DM-DDB-A DM-DDB-B DS-WP-A BACnet® is a registered trademark of ASHRAE.
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PID Tuner uses the IMC (Internal Model Control) method to calculate PID tuning parameters. I’ve tried a lot of tuning methods over the years and have found this one to be the best. The app is written for the iPad to show all the information on one page. The program calculates: PID Parameters: Controller Gain (Kc) Integral Time (Ti) Derivative Time (Td) For process types First Order with Dead Time (FO) Second Order with Dead Time (SO) Integrating or Long Time Constant with Dead Time (I) For controller types Parallel (non-interacting) c(s) = Kc (1 + 1/(Ti s) + Td s) Series (interacting) c(s) = Kc (Ti s + 1)/(Ti s)(Td s + 1) For controller modes PID PI You can either enter the process gain (Kp) directly or enter the changes in the controlled virable (CV) and manipulated variable (MV). Tuning aggression is adjusted using the slider to set the closed loop time constant to the process time constant ratio (λ/Ƭ). The closed loop time constant (λ) is the time the controller is expected to reach set point (plus the dead time (ϴ)). Setting the closed loop time constant to process time constant ratio (λ/Ƭ) to 1.0 will make the MV change to its final value and allow the process to settle out to the setpoint. Setting (λ/Ƭ) greater than 1.0 will give a slower responce. Setting (λ/Ƭ) less than 1.0 will cause the MV to make a larger change and then reduce to its final value. Tight tuning would be to set the close loop time constant to the dead time. Use the Integrating Process type (Ƭ = ∞) for both integrating processes or processes with long time constants. These processes use the maximum slope as the process gain. Tuning aggression for these processes is determined by setting the closed loop time constant to the dead time ratio (λ/ϴ). Once again, setting the closed loop time constat to the dead time gives tight control. References: “Probably the test simple PID tuning rules in the World,” Sigurd Skogestad, Jounal of Process Control, July 3, 2001 “Consider the generalized IMC-PID method for PID controller tuning of time-delay processes,” Y. Lee, S. Park, M. Lee, Hydrocarbon Processing, January 2006
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BACnet HMI | HMI5 VS.
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Aralık 19, 2024