Emerson KJ1710X1-BA1

Product Overview:​
Emerson KJ1710X1-BA1 is a DeltaV industrial fiber switch that converts electrical control network signals to optical signals for long-distance, noise-immune communication. It is used to extend DeltaV Ethernet or node communication in substations, cabinet rows, hazardous areas and electrically noisy process plants. Certain stock listings may reference a 2-wide 30 VDC power controller with the same nomenclature; confirm the printed 12P number and nameplate before procurement.
Category:
Description
Technical Specifications:​
Input power: 19.2 to 28.8 VDC at 250 mA
Fiber interface: single fiber port according to installed transceiver and ordered multimode or single-mode version
Electrical interface: RJ45 10/100 Mbps where supplied by the configuration
Operating temperature: -40 °C to +70 °C
Humidity: 5% to 95% non-condensing
Shock: 10 G half-sine for 11 ms
Vibration: 1 mm peak-to-peak from 5 to 16 Hz, 0.5 G from 16 to 150 Hz
Airborne contamination: ISA-S71.04 Class G3 conformal-coated environment
Protection: IP20
Hazardous-area approvals: ATEX and corresponding Division/Zone certifications according to label, including II 3 G and Fiber port intrinsic-safe options in defined configurations
Functional Features:​
Galvanic isolation between electrical and optical segments. EMI/RFI immunity for long cable runs. Plug-in DeltaV carrier or rail mounting according to the supplied mechanical package. Status indicators for power, link and fault conditions. Suitable for redundant or extended control-network topologies where copper distance, grounding loops or surge exposure are concerns.
Application Scenarios:​
Oil and gas terminals, petrochemical plants, offshore platforms, power stations, water and wastewater sites, mining concentrators and large DeltaV installations requiring fiber extension between control rooms, remote I/O shelters and field switchgear.
Performance Parameters:​
Optical reach depends on multimode or single-mode transceiver; typical industrial fiber switch configurations support multimode distances around 2 km and single-mode distances up to approximately 20 km when the correct SFP/module is ordered. Electrical latency is suitable for control messaging rather than high-bandwidth video.
Material Composition:​
Industrial aluminum or steel housing components, printed circuit board with conformal coating, optical transceiver module, RJ45 magnetics, DIN/rail mounting hardware and sealed fiber connector receptacle.
Structural Characteristics:​
Compact DeltaV-mounted enclosure with one optical port and associated electrical/bus interface. Fiber dust caps must remain fitted until cable termination. Power and ground terminals or backplane connector provide 19.2 to 28.8 VDC operation.
Working Principle:​
The switch receives electrical Ethernet or bus signals, converts them into optical pulses through the fiber transceiver, and reconverts received optical data into electrical frames for the DeltaV node. Optical isolation prevents ground-loop currents and suppresses electromagnetic interference between network segments.
Installation Requirements:​
Mount on the specified DeltaV carrier or DIN rail with proper grounding clip contact. De-energize the 19.2 to 28.8 VDC supply before connecting power. Use only approved fiber patch cords and maintain the manufacturer-specified bend radius. Remove optical dust caps immediately before inserting connectors. For hazardous areas, follow the DeltaV hazardous-area installation manual and the exact approval label.
Usage Precautions:​
This unit is not hot-swappable in the listed ATEX fiber-switch configuration; power down before removal or insertion. Verify fiber type, connector style and wavelength before ordering spares. Keep optical ends clean and capped when unused. Do not open the enclosure; the unit contains no user-serviceable parts. Confirm G3 coating and enclosure ventilation for corrosive or high-humidity locations.
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