Description
MTL 8502-B1-DP Product Specification
Product Overview:MTL 8502-B1-DP
The :MTL 8502-B1-DP is a high-reliability two-channel galvanic isolator designed for intrinsic safety applications in hazardous industrial environments. Manufactured by MTL (a brand under Eaton), a global leader in explosion-proof electrical solutions, this module belongs to the MTL 8500 Series, renowned for its robust design and compliance with international safety standards. The MTL 8502-B1-DP serves as a critical interface between hazardous areas (Zone 0/1/21/22) and safe control systems, ensuring secure signal transmission while isolating electrical potentials to prevent spark ignition risks.
At its core, the MTL 8502-B1-DP processes analog signals (e.g., 4–20 mA, 0–10 VDC) with galvanic isolation, providing up to 2.5 kVAC isolation voltage to protect downstream equipment from surges and ground loops. Its dual-channel architecture allows simultaneous transmission of two independent signals, reducing space requirements in control panels. The module supports both input and output configurations, making it suitable for applications requiring signal conditioning, such as sensor-to-controller or controller-to-actuator interfaces. With a compact design (110 mm height × 22.5 mm width × 115 mm depth) and DIN rail mounting, the MTL 8502-B1-DP offers flexible integration into modular control systems, enhancing efficiency in industries where safety and space optimization are paramount.
In automation systems, the MTL 8502-B1-DP plays a vital role in maintaining process integrity in explosive atmospheres, such as oil refineries, chemical plants, and pharmaceutical facilities. Its intrinsic safety certification (ATEX, IECEx, CSA) ensures compliance with strict regional regulations, while built-in diagnostic LEDs (Power, Fault, Channel Status) enable real-time health monitoring. By combining high-performance signal isolation with user-friendly configuration, the module minimizes downtime, reduces installation complexity, and supports seamless integration with PLC/DCS systems from brands like ABB, Siemens, and Rockwell.
Technical Specifications:MTL 8502-B1-DP
Parameter Name | Parameter Value |
---|---|
Product Model | MTL 8502-B1-DP |
Manufacturer | MTL (Eaton) |
Product Type | Two-Channel Galvanic Isolator (Intrinsic Safety) |
Signal Type | Analog (4–20 mA, 0–10 VDC), Digital (dry contact) |
Isolation Voltage | 2.5 kVAC (galvanic isolation between channels and power) |
Power Supply | 24 VDC ±15% (redundant power input supported) |
Physical Dimensions | 110 mm (H) × 22.5 mm (W) × 115 mm (D) |
Weight | 0.18 kg |
Explosion Certifications | ATEX Ex II 1G Ex ia IIC T4/T5/T6, IECEx ia IIC, CSA Class I Div 1 Group A/B/C/D |
Temperature Range | -20°C to +60°C (operating); -40°C to +85°C (storage) |
Humidity | 5–95% non-condensing |
Installation | DIN rail mounting (EN 50022 standard) |
8502-B1-DP
Main Features and Advantages:MTL 8502-B1-DP
Dual-Channel Versatility: The MTL 8502-B1-DP supports two independent signal channels, each configurable as input, output, or bidirectional, allowing flexible adaptation to diverse process requirements. This dual functionality reduces the need for multiple single-channel modules, optimizing panel space and lowering costs in large-scale systems.
Enhanced Intrinsic Safety: With ATEX and IECEx certifications, the module is rated for use in the most hazardous environments, including Zone 0 (continuous explosive gas) and Zone 21 (combustible dust). Its galvanic isolation barriers limit energy flow to safe levels, preventing sparks that could ignite explosive atmospheres.
Redundant Power Input: The module features dual power terminals, enabling redundant power supply configurations to enhance system reliability. This is particularly critical in mission-critical applications where uninterrupted signal transmission is essential, such as emergency shutdown systems or real-time process control.
Plug-and-Play Integration: Designed for quick installation, the MTL 8502-B1-DP snaps onto a standard DIN rail and uses removable terminal blocks for easy wiring. Its intuitive LED indicators provide instant feedback on power status, channel activity, and fault conditions, simplifying troubleshooting and reducing maintenance time.
Wide Signal Compatibility: Supporting both analog and digital signals, the module can interface with a broad range of field devices, including pressure transmitters, flow meters, solenoid valves, and limit switches. This versatility makes it a universal solution for hybrid control systems requiring seamless integration of diverse sensor and actuator types.
8502-B1-DP
Application Areas:MTL 8502-B1-DP
The MTL 8502-B1-DP is ideally suited for industries where intrinsic safety and reliable signal transmission are non-negotiable:
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Oil and Gas:
- Upstream/Downstream: Installed in offshore platforms, refineries, and pipelines to isolate signals from pressure sensors, level transmitters, and emergency shutdown valves, ensuring compliance with API and IEC safety standards.
- Pump Stations: Manages motor control signals in hazardous areas, preventing electrical arcs that could trigger explosions in volatile gas environments.
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Chemical and Pharmaceutical:
- Reactor Control: Transmits temperature and pressure signals from explosion-proof sensors in reactors to DCS systems, enabling precise process adjustment while maintaining safety barriers.
- Batch Processing: Supports digital signals from flow meters and agitators in pharmaceutical manufacturing, where contamination risks and regulatory compliance are critical.
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Food and Beverage:
- Hazardous Processing Areas: Used in facilities handling flammable solvents or fine powders (e.g., ethanol storage, flour mills) to isolate control signals from motors and conveyors, reducing ignition risks.
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Marine and Offshore:
- Engine Rooms: Isolates engine control signals in environments with high vibration and potential fuel vapor leaks, ensuring reliable operation of propulsion systems and auxiliary machinery.
Related Products:MTL 8502-B1-DP
- MTL 8501-B1-DP: A single-channel variant of the MTL 8502-B1-DP, suitable for applications requiring fewer signal channels or space-saving single-loop isolation.
- MTL 8503-B1-DP: A three-channel isolator for multi-loop systems, offering increased channel density for complex process control applications.
- MTL 8541-B1: A power supply module designed for the MTL 8500 Series, providing redundant 24 VDC power with surge protection to ensure stable operation of multiple isolator modules.
- MTL 8581-B1: A universal signal conditioner that complements the MTL 8502-B1-DP by converting raw sensor signals (e.g., RTD, thermocouple) into standardized analog outputs for seamless integration.
- MTL 8591-B1: A high-speed digital isolator for pulse or frequency signals, ideal for applications requiring rapid signal transmission in hazardous environments, such as turbine speed monitoring.
8502-B1-DP
Installation and Maintenance:MTL 8502-B1-DP
Pre-installation Preparation:
Before installing the MTL 8502-B1-DP, ensure the following:
Before installing the MTL 8502-B1-DP, ensure the following:
- Verify the power supply voltage (24 VDC) and confirm that the control panel meets explosion-proof installation requirements (e.g., proper grounding, cable gland sealing).
- Identify the signal type (analog/digital) and configure the module’s DIP switches or jumpers accordingly (refer to the user manual for channel setup instructions).
- Ensure adequate spacing between modules for heat dissipation, particularly in high-density DIN rail installations.
Maintenance Recommendations:
- Routine Inspections: Monthly visual checks of LED indicators to confirm normal operation (e.g., steady green “Power” light, active channel status lights). Replace any module with flashing fault indicators immediately.
- Connection Checks: Quarterly verification of terminal block tightness and cable integrity, especially in high-vibration environments, to prevent loose connections that could cause signal interruptions.
- Environmental Cleaning: Semi-annual cleaning of dust and debris from the module’s vents and terminals, using a dry cloth or compressed air, to maintain optimal thermal performance.
- Periodic Calibration: Annual calibration of analog channels using a certified signal source to ensure measurement accuracy within ±0.1% of full scale.
8502-B1-DP
Product Warranty:MTL 8502-B1-DP
Our company offers a one-year quality warranty for the MTL 8502-B1-DP, covering all non-human-induced hardware defects, including faulty isolation barriers, power supply failures, or signal processing anomalies. During the warranty period, any defective module will be replaced promptly at no additional cost. For discontinued or hard-to-find models like the MTL 8502-B1-DP, our extensive global inventory and strategic partnerships with manufacturers ensure rapid fulfillment of urgent orders. Beyond the warranty period, we provide ongoing technical support and repair services to help maintain your system’s safety and reliability.
Contact Information:
Whatsapp: +86 18859254943
E-mail: sales@ygplc.com
Whatsapp: +86 18859254943
E-mail: sales@ygplc.com
Note: This product description is based on technical data from MTL’s official specifications and industry applications. For detailed installation guidelines or custom configuration support, contact our technical team or refer to the MTL 8502-B1-DP user manual.
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