General Information
BDC Electronic offers a catalogue for ATEX sensors designed for explosive atmospheres, compliant with the 94/9/EC directive and certified by IMQ. Installation instructions are available online.
ATEX Zones and Sensor CategoriesThe document categorizes explosive atmospheres into zones:
- Zone 0/20: Continuous danger with long-term presence of explosive gases or dust.
- Zone 1/21: Potential danger during normal operation.
- Zone 2/22: Minimal danger, with short-lived presence of explosive gases or dust.
Sensors are available for categories 1GD, 2GD, and 3GD, with category 1GD suitable for all zones.
Ordering References
Guidance is provided on interpreting ordering references for various sensor types, including specifications for housing, cable output, and protection modes.
Technical SpecificationsTechnical data for NAMUR series sensors include:
- Supply voltage: 7.7 to 9 Vdc
- Temperature range: -20°C to +60°C
- Protection degree: IP67
- Certified standards: EN60947-5-2, EN60079-0, EN60079-11, EN60079-26
Safety parameters cover maximum voltage, current, capacitance, and inductance.
Materials and Construction
Sensors are made with stainless steel or nickel-plated brass housing and plastic sensing faces, designed to withstand shock and vibration.
Usage and Safety
Sensors must be used with associated apparatus in hazardous areas, following provided manuals. They feature protection against incorrect connections and LED indicators for switch status.
Specifications- Cable conductor cross-section varies by diameter.
- Marking: II 1D Ex iaD 20 T80°C, II 1G Ex ia IIC T6.
- Certification: IMQ 08 ATEX 010.
- Protection against short-circuit, overload, and wrong connections.
- EMC: EN60947-5-2 compliant.
- Standards: EN60947-5-6, EN60079-0, EN60079-11, EN60079-26.
- Shock and vibration resistance: EN60068-2-27, EN60068-2-6.
Safety Parameters- Vi max: 13.5 V
- Ii max: 60 mA
- Ci max: 100 nF
- Li max: 100 μH
- Pi max: 200 mW
Usage Instructions
Sensors are suitable for hazardous areas and must be used with associated apparatus as per manuals.
Technical Data- Supply Voltage: 7.7 ÷ 9 Vdc (NAMUR standard)
- Max Ripple: 10%
- Temperature Range: -20° ÷ +60°C
- Degree of Protection: IP67
- Switch Status Indicator: Yellow LED
Materials- Housing: Stainless steel or nickel-plated brass
- Sensing Face: Plastic
Ordering Information
Various models are available with different body diameters and configurations, suitable for flush and non-flush mounting.
Certifications and Standards- ATEX certified for various zones.
- EMC: EN60947-5-2 compliant.
- Compliance with EN60079-0, EN60079-18, EN60079-26, EN60079-15, EN60079-31.
- Shock and vibration resistance: EN60068-2-27, EN60068-2-6.
Protection Features- Protected against short-circuit and overload.
- Protected against incorrect connections.
- Suppression of initial false impulse.
Materials- Cable: 2 m PVC, rated for 90°C and 300 V.
- Housing: Nickel-plated brass or stainless steel.
- Sensing face: Plastic.
Ordering Information
Part numbers are provided for various configurations, with instructions for ordering NPN versions by altering the part number.
Technical Specifications- Supply Voltage (UB): Refer to ordering references.
- Max Ripple: 10%
- No-load Supply Current (Io): ≤ 10 mA
- Voltage Drop (Ud): ≤ 1.5 V
- Temperature Range: -25°C to +60°C
- Max Thermal Drift of Sensing Distance (Sr): ±10%
- Repeat Accuracy (R): 2% or 4% depending on model
- Switching Hysteresis Max (H): 10%
- Degree of Protection: IP67
- Switch Status Indicator: Yellow LED
- Marking: II 3D Ex tc IIIC T80°C IP67 X, II 3G Ex nAc IIC T6 X
- Protection: Short-circuit, overload, and wrong connection protection
- Initial False Impulse Suppression: Yes
- EMC: EN60947-5-2 compliant
- Standards Compliance: EN60079-0, EN60079-15, EN60079-31
- Shock and Vibration Resistance: EN60068-2-27, EN60068-2-6 compliant
Materials- Housing Diameter 8 mm: Stainless Steel
- Housing Diameters 12-30 mm: Nickel Plated Brass
- Sensing Face: Plastic
- Cable: 2 m PVC CEI 20-22 II; 90°C; 300 V; O.R.
Ordering References- Various models available with different specifications, refer to the catalog for detailed part numbers and configurations.
Usage- Designed for use in hazardous areas as per instruction manuals.
Specifications- Protection: IP67, ATEX certified for zones 2 and 22.
- Switch status indicator: Yellow LED.
- Cable conductor cross section varies by version and diameter.
- Marking: II 3D Ex tc IIIC T120°C IP67 X, II 3G Ex nAc IIC T4 X.
- Temperature range: -20°C to +100°C.
- Materials: Nickel plated brass housing, plastic sensing face.
Technical Data- Supply voltage: 10 ÷ 30 Vdc.
- Max ripple: 10%.
- Rated operational current: ≤ 50 mA.
- No-load supply current: ≤ 10 mA.
- Voltage drop: < 1.5 V.
- Temperature range: -25°C to +100°C.
- Max thermal drift of sensing distance: ± 10%.
- Repeat accuracy: 2%.
- Switching hysteresis max: 10%.
Standards and Compliance- EMC: EN60947-5-2 compliant.
- Compliance with EN60079-0, EN60079-15, EN60079-31.
- Shock and vibration resistance: EN60068-2-27, EN60068-2-6.
Safety and Protection- Protected against short-circuit and overload.
- Protected against any wrong connection.
- Suppression of initial false impulse.
Usage- Use in hazardous areas according to instruction manuals.
- Recommended to use with ATEX certified connectors.
General Features- Inductive proximity sensors with output current proportional to distance and target material.
- Can replace mechanical microswitches in many applications.
Ordering Information- Various models available with different specifications for body diameter, sensing distance, and switching frequency.
Overview
The document provides detailed technical specifications and features of various ATEX certified sensors, including inductive and capacitive types, designed for use in hazardous areas. These sensors are manufactured by BDC Electronic and are suitable for detecting metal and other materials in industrial environments.
Specifications- Supply Voltage: Ranges from 5 to 60 Vdc depending on the sensor type, with a maximum ripple of 10%.
- Temperature Range: -25°C to +60°C for most models.
- Protection Degree: IP67 for most sensors, ensuring dust-tight and water-resistant capabilities.
- Marking and Certification: ATEX certified for various zones, with markings such as II 1D Ex iaD 20 T80°C and II 3G Ex nAc IIC T6 X.
- Safety Parameters: Include maximum voltage (Vi max 13.5 V), current (Ii max 60 mA), capacitance (Ci max 100 nF), and inductance (Li max 100 μH).
Features- Special housing materials allow use without additional electrostatic protection.
- LED indicators for switch status visibility.
- Protection against short-circuit, overload, and incorrect connections.
- EMC: EN60947-5-2 standards compliant.
Applications
These sensors are suitable for detecting metal blades, level control in storage bins, and other industrial applications where hazardous conditions may exist.
Installation and Usage
Sensors must be used with associated apparatus as per instruction manuals, and specific mounting precautions are provided in the BDC General Catalogue.
Overview
The document provides technical specifications and features of ATEX certified sensors, including capacitive and magnetic sensors, designed for use in hazardous environments. These sensors are suitable for detecting various materials and are used in applications such as level control and position detection.
Capacitive Sensors- General Features: Capable of detecting any material, including through plastic or glass walls. Applications include level control in storage bins and tanks.
- Technical Data: Supply voltage of 7.7 to 9 Vdc, temperature range of -20°C to +60°C, and IP67 protection. Certified for use in hazardous areas with specific safety parameters.
- Materials: Nickel-plated brass housing and plastic sensing face.
- Reduction Factor: Sensing distance varies with target material, with steel having a factor of 1 and materials like cloth and paper having lower factors.
Magnetic Sensors- General Features: Activated by external magnetic fields, independent of polarity. Suitable for use in difficult conditions with high pressures.
- Technical Data: Working voltage of 5 to 30 Vdc, normally open output logic, and IP67 protection. Certified for use in hazardous areas with specific safety parameters.
- Materials: Stainless steel housing and PVC cable.
Ordering and Installation- Various models and housing types are available, with specific ordering references provided.
- Installation requires adherence to safety standards and use in conjunction with associated apparatus as per instruction manuals.
Safety and Compliance- Compliance with standards such as EN60947-5-2, EN60079-0, and others for electromagnetic compatibility and safety.
- Certified by IMQ for ATEX standards, ensuring safe operation in explosive atmospheres.
Overview
The document provides detailed technical specifications and operational guidelines for various ATEX certified sensors and related equipment, including magnetic sensors, speed sensors, and amplifiers/repeaters. These devices are designed for use in hazardous areas and comply with specific safety standards.
Magnetic Sensors- These sensors are activated by an external magnetic field and are independent of the field's polarity.
- They comply with the NAMUR standard for output impedance, allowing for connection diagnostics.
- Technical specifications include a working voltage of 7.7 to 9 Vdc, normally open output logic, and a temperature range of -20 to +60°C.
- They are certified under various EN standards and have a degree of protection rated at IP67.
Magnets for Sensors- Used as actuators for magnetic sensors, suitable for applications up to 70°C.
- Available in different housings, including stainless steel and plastic, with varying detection distances.
ATEX Speed Sensors- These sensors control the rotation of a toothed wheel or reference marks with high precision.
- They are available in both DC and AC versions, with integrated control functions.
- DC sensors operate at 10 to 30 Vdc, while AC sensors operate at 90 to 240 Vac.
- Both types are protected against wrong connections, overvoltages, and short circuits.
- They feature a self-teaching threshold procedure for setting speed thresholds.
Amplifiers and Repeaters- These devices are used to control safe area loads via switches or proximity detectors located in hazardous areas.
- The D1030 series includes single and dual-channel models with configurable input and output modes.
- Fault detection for contact or proximity sensors is configurable via DIP switches.
Safety and Compliance- All devices are ATEX certified for use in hazardous zones and comply with relevant EN standards for safety and electromagnetic compatibility.
- They are designed to withstand shock and vibration as per EN60068 standards.
General Description
The document describes various models of Switch/Proximity Detector Repeaters designed for use in hazardous areas. These devices are DIN Rail units that can be configured for contact or proximity detectors, with options for Normally Open (NO) or Normally Closed (NC) configurations. They provide 3-port isolation (input/output/supply) and are equipped with signaling LEDs for power supply indication, output status, and line fault detection.
Specifications
The repeaters operate on a supply voltage of 24 Vdc, with reverse polarity protection and ripple limits. They offer isolation test voltages of 1.5 KV between input/output/supply. The input switching current levels are specified, along with fault current levels for open and short faults. The output is a voltage-free SPDT relay contact with specified ratings and life expectancy.
Field Configurability
The devices allow for field configurability of NO/NC input for contact/proximity sensors, NE/ND relay operation, and fault detection enable/disable. Actuation modes can be configured via DIP switches, allowing for flexibility in operation.
Environmental Conditions
The operating temperature range is -20 to +60°C, with storage limits from -45 to +80°C. The devices are designed for mounting on T35 DIN Rails and have a degree of protection rated at IP 20.
Safety and Approvals
The repeaters conform to various international standards and directives, including ATEX and IECEx certifications, making them suitable for use in hazardous areas. They are compatible with CE mark requirements and meet EMC directives.
Applications
These devices are suitable for controlling Safe Area loads via switches or proximity detectors located in Hazardous Areas. They are designed for use in Zone 0 (Zone 20) installations and are compliant with various safety and performance standards for hazardous locations.
Overview
This document provides technical specifications and guidelines for amplifiers and repeaters used in ATEX sensor applications, focusing on intrinsic safety and compliance with international standards.
Specifications- Supply Voltage: Up to 250 Vrms for intrinsic safety applications.
- Isolation: Test voltage of 2.5 KV across various input/output and supply configurations.
- Input Switching: ON at ≥ 2.1 mA, OFF at ≤ 1.2 mA, with a switch current of approximately 1.65 mA ± 0.2 mA hysteresis.
- Fault Current Levels: Open fault ≤ 0.2 mA, short fault ≥ 6.8 mA.
- Output: Voltage-free SPDT relay contact with a contact rating of 2A 250 Vac or 2A 250 Vdc.
- Environmental Conditions: Operating temperature from -20 to +60°C, storage temperature from -45 to +80°C, and up to 90% relative humidity non-condensing.
- Mounting: T35 DIN Rail according to EN50022.
- Protection: IP 20 degree of protection.
Compliance and Approvals- CE mark compliant, conforms to 94/9/EC ATEX Directive and 2004/108/CE EMC Directive.
- EMC compatibility to EN61000-6-2, EN61000-6-4.
- Various international approvals including DMT, IECEx, UL, C-UL, FM, and others for hazardous locations.
Safety Parameters- II (1) G [Ex ia] IIC, II (1) D [Ex iaD], I (M2) [Ex ia] I, II 3G Ex nA IIC T4.
- Uo/Voc = 10.7 V, Io/Isc = 15 mA, Po/Po = 39 mW at specific terminals.
Ordering Information- Models D1130S and D1130D for single and dual channel configurations respectively.
- Current consumption and power consumption details provided for different voltage scenarios.
Connectors- Preassembled male connectors for sensors with specific cable lengths available upon request.
- Various connector types and configurations detailed for different applications.
Overview
The document provides technical specifications and ordering information for BDC Electronic's ATEX certified connectors and cables, suitable for use with proximity sensors in hazardous environments. It includes details on female and male connectors, their compatibility with NAMUR sensors, and specific technical data.
Specifications- Operating Voltage: Maximum 50 Vac/75 Vdc
- Maximum Current: 4 A
- Contact Resistance: ≤ 5 mΩ
- Contacts Material: CuZn, brass pre-nickeled and gold plated (0.8 μm)
- Locking Nut: Self-locking in CuZn, nickel plated brass
- Temperature Range: -25°C to +90°C for PUR and PVC versions; -40°C to +120°C for HT versions
- Degree of Protection: IP68 with plug in fully locked position
Connector Types- Connector 10A: Suitable for NAMUR sensors, usable in zone 0 or 20 without additional protection against electrostatic charges.
- Connector 8A: Usable in zone 1 or 21, with similar specifications to Connector 10A.
- Connector 9A and 9C: Designed for heavy applications, usable in zone 2 or 22.
Ordering InformationThe document provides a detailed ordering reference system based on the number of conductors, connector type, cable length, and material. Examples include:
- 2-Wire: C10/0022PVA for PVC material, 2 meters length
- 3-Wire: C9/0032PV3GD for PVC material, 2 meters length
- 4-Wire: C9B/0042PV3GD for PVC material, 2 meters length
Compliance and Standards
All products comply with ATEX standards 94/9/CE, EN60079-0, and EN60947-5-2, ensuring safety in explosive atmospheres.
Notes
The document emphasizes the importance of following the instruction manual when using these products in hazardous areas. It also notes that the physical appearance of devices may differ from illustrations and that specifications are subject to change without notice.