Moxa PROFIBUS-to-Fiber Converters certified for Hazardous Locations | Automation.com

Moxa PROFIBUS-to-Fiber Converters certified for Hazardous Locations

Moxa PROFIBUS-to-Fiber Converters certified for Hazardous Locations

April 14, 2015 – Moxa’s , ICF-1180I and ICF-1280I PROFIBUS-to-Fiber converters now have Class 1 Div 2, IEC Ex, and  ATEX certification for deployment in hazardous locations including upstream and downstream petrochemical processing, chemical plants, and other areas where explosive vapors are present.

With the certified ICF-1180I and ICF-1280I, oil and gas users can now use optical fiber to connect their PROFIBUS devices and controllers in remote or hazardous locations. The industrial-hardened units offer 2 kV isolation protection for the PROFIBUS system and dual power inputs to ensure non-stop communications.

Rated for operation in environments ranging from -40 to 75°C, both units are capable of distances up to 4 km (2.5 miles) on multi-mode fiber, or up to 45 km (28 miles) on single-mode fiber in both ordinary and hazardous applications, a first for the industry. The ICF-1180I extends connections over a single optical fiber port, whereas the ICF-1280I extends connections over two optical fiber ports that can be arranged in a redundant ring for extremely high communications reliability.

In addition to hazardous area certification, the ICF-1180I and ICF-1280I offer protection from bus faults. Conventional media converters can let the faults pass through the fiber, leading to communication ceasing across the entire system. With the entire network is down, it is extremely difficult for the engineer to locate the failed device. To eliminate this costly problem, the ICF-1180I and ICF-1280I work transparently to detect and recognize bus faults. If the bus fails on one side, the issue will not propagate through the ICF units and affect additional bus segments. In addition, the ICF units will also trigger an alarm notification to the field engineer on the location of the failure so that it can be quickly replaced with minimal downtime.

 

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