Description
Product Description
Overview
The DeltaV M-Series Remote Interface Unit (FM21UKEX0017U) is engineered for high-reliability operation in hazardous areas. Certified for Zone 2 applications, this interface unit provides robust communication capabilities under extreme temperature and vibration conditions. Ideal for distributed control system (DCS) integration and remote interface applications.
Technical Specifications
Certifications & Protection
Power Requirements
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Local Bus Power: 5 VDC, max 300 mA
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Optional Auxiliary Power: 3.3 VDC, max 500 mA
Environmental Conditions
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Operating Temperature: -40°C to +70°C
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Relative Humidity: 5% to 95%, non-condensing
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Shock Resistance: 10g, half-sine, 11 ms
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Vibration Resistance: 1 mm peak-to-peak from 2–13.2 Hz; 0.7 g from 13.2–150 Hz
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Airborne Contaminant Rating: ISA-S71.04 –1985 G3
Installation & Operation
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Insertion or removal must be performed in non-hazardous areas
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Communication network must not connect to sources exceeding 60 VAC or 75 VDC
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Contains no user-serviceable parts; calibration not required
Applications
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Distributed Control System (DCS) remote interfacing
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Hazardous area industrial monitoring and control
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Communication interfaces in high vibration and extreme temperature environments
FAQ
Q: Can this unit be used in Zone 1 areas?
A: No, it is only certified for Zone 2 environments.
Q: Does this unit require regular calibration?
A: No, it is designed for maintenance-free operation.
Q: Can the unit be hot-swapped?
A: No, insertion or removal is only permitted in non-hazardous areas.
Q: Is this unit compatible with other DeltaV modules?
A: Yes, it integrates with M-Series modules for remote interfacing.
