Description
Overview
The DeltaV SSeries Terminal Block (FM21UKEX0017U) is engineered for reliable operation in hazardous environments. Designed for use with Zone 2 installations, it ensures secure connectivity and compliance with international safety standards. This terminal block is compatible with a wide range of DeltaV SSeries I/O cards, featuring a rotary keying system that guarantees proper card alignment and system integrity.
Technical Specifications
Power Requirements
Environmental Ratings
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Operating Temperature: -40°C to +70°C
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Shock Resistance: 10 g, 11 ms half-sine
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Vibration Tolerance: 1 mm peak-to-peak from 2–13.2 Hz; 0.7 g from 13.2–150 Hz
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Relative Humidity: 5–95%, non-condensing
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Airborne Contaminants: Class G3 per ISA-S71.04-1985
Certifications
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Hazardous Atmosphere: Ex ec nC IIC Gc
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FM Approvals: FM19ATEX0173U, FM17US0286U, FM17CA0145U, FM21UKEX0017U
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IECEx: FMG 19.0019U
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Class I, Division 2, Groups A, B, C, D
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Class I, Zone 2, AEx/Ex ec nC IIC Gc
Installation & Operation
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Terminal blocks can be installed or removed with system power applied only when no I/O card is present and no field wiring is connected
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Rotary keying system ensures proper card compatibility
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Keys must be set according to the specific I/O card used
Maintenance
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No user-serviceable parts
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Disassembly is not permitted
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Calibration is not required
Applications
Ideal for use in process automation systems, hazardous area signal interfacing, and distributed control environments where compliance with Zone 2 / Class I Division 2 safety standards is required.
FAQ
Q: Can the terminal block be installed while the system is powered?
A: Yes, but only if no I/O card is installed and field wiring is disconnected.
Q: Does this product require calibration?
A: No calibration is necessary for operation.
Q: Which I/O cards are compatible?
A: Compatibility is ensured through the rotary keying system; keys must match the I/O card type.
