Network Control Library for Remote Power Saving Mode Switching
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Solution Overview
Problem
Conventional process control systems in oil and gas fields face challenges in remotely controlling the power saving mode of network controllers, limiting end users' ability to modify or install power saving functions, and requiring special communication protocols, which complicates power management in environments with limited infrastructure.
Innovation Solution
A control device and system that utilize a communication unit with a switch function for energy saving modes, controlled by a mode control unit using a network control library, allowing remote instruction detection and power saving mode switching based on input values, monitoring time, and frame classification, enabling end users to easily modify and install power saving controls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the network controller is set into power saving mode to reduce power consumption, then power consumption is reduced, but remote control capability is lost
Solution Approach 1:
The system performs preliminary actions by storing control instructions for the power saving mode in a database before remote control is needed. When a remote control request arrives, the pre-stored instructions are retrieved and executed, enabling remote control without requiring the network controller to remain fully active.
Solution Approach 2:
A database acts as an intermediary between the remote control system and the network controller. The database stores control instructions that can be retrieved and executed to control the power saving mode, mediating the interaction between remote users and the power-saving network controller.
2Ease of operation
If special communication protocols are installed to enable remote control of power saving mode, then remote control capability is improved, but device complexity increases
Solution Approach 1:
The database serves multiple functions: it stores control instructions for power saving mode, retrieves these instructions when needed, and facilitates communication between the remote control system and the network controller. This multi-functionality eliminates the need for specialized communication protocols.
Solution Approach 2:
Instead of implementing complex remote control protocols directly in the network controller, the system uses a simplified approach by copying control instructions from a database. This allows remote control functionality to be achieved through data retrieval and execution rather than complex communication protocols.
3Ease of operation
If the network controller operates continuously to maintain remote control capability, then remote control capability is maintained, but power consumption increases
Solution Approach 1:
The network controller operates periodically rather than continuously. It can enter power saving mode and wake up periodically to check for control instructions in the database or to execute stored instructions, reducing power consumption while maintaining remote control capability when needed.
Data Source
AI summary
A control device includes a communication unit which has a switch function of switching the control device into an energy saving mode, the communication unit communicating with an upper terminal via a first network; and a mode control unit which controls switching the communication unit into the power saving mode, the control being made using a network control library which is generated by a programming language.