The B&R 7EX484.50-1 is an explosion-proof digital input module designed for industrial automation systems operating in hazardous environments.
1. Product Description
The B&R 7EX484.50-1 is a compact, robust module engineered to provide reliable signal input in explosive atmospheres. With 8 channels of digital inputs and 24 VDC nominal voltage, it supports safe operation in Zone 1/21 and Zone 2/22 areas. The module features IP66/IP67 protection and ATEX/IECEx certification, ensuring compliance with global explosion-proof standards. Its screw terminal connections enable easy integration with field devices, while galvanic isolation safeguards against voltage spikes.
2. Product Parameters
Parameter
Specification
Type
Explosion-proof digital input module
Channels
8
Rated Voltage
24 VDC
Current Consumption
15 mA per channel
Protection Class
IP66/IP67
Certification
ATEX/IECEx
Interface
Screw terminals
Dimensions
120 × 50 × 100 mm
Weight
0.3 kg
3. Advantages and Features
Explosion-Proof Design: Certified for use in gas/dust-explosive environments, reducing safety risks.
High Reliability: Galvanic isolation and surge protection ensure stable signal transmission.
Flexible Installation: IP67 rating allows outdoor or harsh environment deployment.
Cost-Effective: Compact size minimizes space requirements without compromising performance.
4. Application Areas and Use Cases
Chemical Industry: Monitors sensors in reactors and storage tanks.
Oil & Gas: Controls valves and pumps in refineries and offshore platforms.
Pharmaceuticals: Manages critical processes in hazardous production areas.
Case Study: A chemical plant integrated the B&R 7EX484.50-1 to monitor pressure sensors in a flammable liquid storage system. The module’s explosion-proof design reduced downtime by 30% compared to non-certified alternatives, ensuring continuous and safe operation.
5. Competitor Comparison
Wider Certification: Supports both ATEX and IECEx standards, unlike some regional-only certified modules.
Higher Channel Density: 8 channels in a smaller form factor than many 4-channel competitors.
Environment: Verify ATEX/IECEx compliance with your regional explosion risk classification.
Signal Requirements: Ensure 24 VDC compatibility with your field devices.
Space Constraints: Leverage the compact design for installations with limited space.
7. Precautions
Installation: Follow explosion-proof sealing guidelines during wiring.
Voltage Stability: Use a regulated power supply to prevent input signal distortion.
Maintenance: Regularly inspect seals and terminals for wear or corrosion.
声明: Shanxi Xinyeda International Trade Co., Ltd. specializes in B&R automation solutions, including the B&R 7EX484.50-1 explosion-proof module. Visit www.xydcontrol.com for product details or contact us for customized technical support.
We've got you covered
We give you access to a global supply of automation parts at your fingertips, ensuring that manufacturers around the world can avoid unnecessary downtime and continue to do what they do best – making our world possible.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
Continue Searching
We're here when you need us
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.