KXJ660(A) mining explosion-proof and intrinsic safety progra
The KXJ660 (A) mining explosion-proof and intrinsic safety programmable controller serves as the core of underground automation management and control.
Product Overview
The KXJ660 (A) mining explosion-proof and intrinsic safety programmable controller (hereinafter referred to as the controller) is mainly composed of PLC, intrinsic safety circuit board, etc. It realizes electromechanical automatic control through logic programming and serves as the core of underground automation management and control.
Industrial-grade design
All ports are designed with industrial grade protection, and the relay brand is Omron with a separate power supply design. The entire controller has extremely high reliability.
Integrate multiple interfaces
PLC programming, capable of controlling 8 switch inputs and 8 relay outputs, with 1 RS485 and 1 RJ45, supporting Ethernet electrical and optical signal transmission.
Multi threaded design
The controller adopts a multi-threaded and multitasking design, with functions such as data acquisition, data transmission, control, self detection, fault and operation status display running simultaneously.
Working Principle
Multi module integrated control
PLC receives input signals, processes them through input/output isolation circuits, and transmits optical signals through photoelectric converters. Combined with power supply modules, it constructs a safe and reliable automatic control system.
Program logic execution
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According to the on-site control requirements, the PLC processes input signals and outputs control instructions through isolation circuits to drive actuators (such as solenoid valves and motors) and complete logical control tasks.
Explosion proof intrinsic safety synergy
The explosion-proof shell protects the internal circuit, and the intrinsic safety design limits energy output; PLC and photoelectric converter work together to ensure safe operation in gas and coal dust environments, while supporting remote monitoring.
Structural Composition
flameproof enclosure
Q235 sealed welding, impact resistant; Has the ability to resist corrosion, dust, and rust; Suitable for harsh underground environments in coal mines.
PLC module
Siemens brand, big brands are guaranteed; Modular and compact design; Can achieve highly precise automation tasks.
relay
Omron brand, with better quality; Fast work and stable performance; Small size, long service life.
power supply
Output intrinsically safe power supply; Equipped with overvoltage, overcurrent and other protection functions; Provide safe, reliable, and stable power supply.
Project Case
Guonuo weighing equipment has been successfully applied to multiple domestic and foreign enterprises and has gained widespread recognition
Production Process
Guonuo Technology adopts internationally leading production processes and equipment to ensure stable and reliable quality
Industrial grade port protection
Adopting Omron relays and designing independent power supply circuits, with dual power isolation design to avoid signal interference and ensure reliable operation of switch output under extreme working conditions.
Multi protocol interface integration
It integrates 8 switch inputs/outputs, 1 RS485 and 1 RJ45 interface, supports Ethernet electrical/optical signal transmission, and achieves multi device interconnection and protocol conversion through PLC programming.
Multi threaded parallel processing
Adopting a multi-threaded architecture, data collection, transmission, control, self checking, and status display functions run synchronously, improving system response speed and task processing efficiency.
Explosion proof and rust proof composite
The shell is welded with Q235A steel plate, and the inner wall is sprayed with arc resistant paint; The explosion-proof surface is treated with phosphating and coated with 204-1 anti rust oil, achieving triple protection of explosion-proof, anti rust, and anti-corrosion.
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Sustainable Development Commitment
Guonuo Technology integrates the concept of sustainable development into the weighing industry, committed to balancing resource development and environmental protection
Environmental protection
- Invest 200 million yuan to build a mine water treatment system, with a water recycling utilization rate of 95%
- Adopting a closed coal transportation system to reduce dust emissions by over 80%
- Implementing the mine land reclamation plan, 1200 acres of vegetation have been restored
social responsibility
- Provide over 500 job opportunities for the surrounding communities of the mining area
- Invest in the construction of 3 Hope Primary Schools and 2 Community Medical Centers
- Annual investment of 10 million yuan for community development and poverty alleviation projects
Future goals
- Reduce carbon emissions intensity in production processes by 20% by 2030
- Invest 500 million yuan to develop low-carbon coal washing technology and clean utilization technology
- Realize 100% land reclamation and ecological restoration of mines by 2030
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