BT21LE/S HIMA Input Module | DCS PLC
BT21LE/S is a high-performance industrial module produced by HIMA,
widely applied in industrial environments with stringent requirements for safety, reliability, and communication stability.
Below is a detailed introduction to the BT21LE/S:
1.Product types and functions
Type: The BT21LE/S is an industrial communication module or safety relay module, equipped with multiple functions to meet diverse industrial needs.
Functions:
Communication Capabilities: Supports various communication protocols and interfaces, such as Ethernet, serial communication,
and fieldbuses (e.g., Profibus, Modbus), enabling seamless connectivity between different devices.
Safety Features: Incorporates emergency stop, light curtains, safety gates, and other safety functions to monitor and control these safety devices,
preventing hazardous situations.
Redundancy Design: Adopts a quad-redundant architecture or dual 1oo2D structure, automatically isolating abnormal
components and switching to backup units in case of single-element failures,
ensuring continuous safe operation.
Self-Healing Mechanism: Real-time diagnostics cover all circuits and modules,
storing up to 500 diagnostic messages. It triggers an alert chain instantly upon failure, enhancing system reliability.
2. Technical Characteristics
Processor Architecture: BT21LE/S Integrates four independent microprocessors, with each pair housed on a single CU module,
forming a dual 1oo2D structure to enhance processing power and fault tolerance.
Communication Interfaces: Features dual RS485 ports (master/slave modes), supporting redundant communication design.
The primary port automatically switches to the secondary port in case of failure,
ensuring communication stability.Protocol Support: Compatible with mainstream industrial protocols such as Modbus RTU and Profibus,
covering 90% of industrial smart instruments for seamless cross-brand device integration.
Data Transmission: Adjustable transmission rates from 300 to 57,600 bps, configurable via dip switches to meet multi-level
communication needs from low-speed sensors to high-speed controllers.
Signal Processing: Signal processing delay <5ms, with a maximum data transmission rate of 115.2kbps, meeting real-time requirements.
Environmental Tolerance:
Operating temperature range: -20°C to +60°C (extending to -25°C to +70°C in some scenarios), with humidity tolerance from 5% to 95% (non-condensing).
Physical resistance: IP54-rated enclosure resists oil spray and metal dust, passing 1-meter concrete drop tests.
Intrinsic safety design: Stainless steel enclosure with protective coatings for electronic components, certified by ATEX/IECEx for explosion-proof applications in high-risk environments
like hydrogen stations and rocket fuel loading areas (Zone 0).
Safety Certifications: Passed IEC 61508 SIL3 (Safety Integrity Level 3) and EN 954-1 Category 4 certifications, meeting the highest functional safety requirements.
Data Security: Embedded encryption module and CRC error checking comply with FDA 21 CFR standards, protecting against ransomware attacks in industrial control networks.
Industrial Automation: Monitors equipment status, sensor conditions, and actuator position feedback to ensure normal system operation and achieve automated control.
Process Control: Used in chemical, oil and gas, and pharmaceutical industries to monitor switch status and sensor
conditions during production processes, ensuring safety and reliability.
Power Industry: Applied in power generation plants and substations to monitor switchgear, battery status, and voltage conditions,
safeguarding power system stability and security.
Transportation and Railways: Monitors signal status and track switches in traffic signal systems, railway signaling systems,
and automated traffic control to ensure traffic safety and smooth flow.
Manufacturing: Monitors switchgear, sensors, and machine status on production lines to ensure efficient and safe production processes.
Mining and Quarrying: Monitors switchgear, sensor, and safety device status to ensure safe mine operations.
Logistics and Warehousing: Monitors warehouse equipment, sensor, and safety system status to enable automated warehousing and logistics operations.
Environmental Monitoring: Monitors sensor status and meteorological station data to support environmental protection and weather forecasting.
4. Advantages and Features
High Reliability: BT21LE/S Employs redundancy design and fault-tolerant functions to
ensure continuous safety even in the face of component failures.
Enhanced Security: Inherits HIMA”s focus on industrial safety systems, featuring emergency stop, light curtains,
safety gates, and other safety functions.
Flexible Configuration: Allows users to easily configure safety functions and parameters to meet specific
application requirements, seamlessly integrating into existing safety systems.
Easy Installation and Maintenance: Designed for easy installation and maintenance, with a user-friendly
interface and modular design for quick replacement and upgrades.
Wide Application Range: Suitable for various industrial fields and application scenarios, meeting diverse needs.
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