N0309YK Foxboro 2AI-P2V Signal Converter Technical Datasheet

Availability: 10 left in stock

Foxboro N0309YK Resistance Voltage Converter The Foxboro N0309YK, also cataloged as the N0309YK Resistance Voltage Converter, operates as a dedicated...

SKU: N0309YK

Manufacturer: Foxboro
Product No.: N0309YK
Product Type: Signal Converters
Product Origin: USA
Payment:T/T, Western Union
Weight: 110g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Foxboro N0309YK Resistance Voltage Converter

The Foxboro N0309YK, also cataloged as the N0309YK Resistance Voltage Converter, operates as a dedicated hardware component for converting loop-powered analog signals within process control infrastructure networks. The physical module intercepts 4-20 mA DC input loops and derives a proportional 0-10 VDC voltage output for registration by high-impedance monitoring nodes. Operating with passive and active electronic filtering topologies, the 2-wire hardware design achieves galvanic signal separation without requiring auxiliary operational power bus lines.

Hardware Specifications

Parameter	Specification
Model	N0309YK (2AI-P2V)
Brand	Foxboro
Origin	United States
Weight	0.11 kg
Dimensions	Standard Foxboro inline transmitter card footprint
Operating Temp	-40 to +80 deg C
Power Consumption	Dependent on current loop draw (low power configuration)
Input Signal	4-20 mA DC
Output Signal	0-10 VDC
Accuracy	\pm 0.1% of configured span
Selectable Input/Output Spans	0-100 mV, 0-200 mV, 0-500 mV, 0-1000 mV, 0-2000 mV, 0-4000 mV, 0-5000 mV, 0-10000 mV
Power Supply	24 VDC nominal
Isolation	Fully isolated input to output circuit architecture
Circuit Protection	Integrated reverse polarity protection

Channel-to-Channel Isolation and HART Loop Protocol Interaction

The transceiver layout introduces continuous channel-to-channel isolation matrices across the conversion pathway. This electrical barrier prevents field-induced common-mode currents from altering internal amplifier bias references, preserving a linear transfer function across the entire operating spectrum. While transforming the base 4-20 mA DC current level, the internal active input impedance profile maintains a high-frequency characteristics match with the 4-20 mA HART loop protocol layer. This compatibility passes smart telemetry frequencies unimpeded across the isolation barrier, enabling simultaneous analog scaling and digital data routing to centralized supervisory hardware.

Frequently Asked Questions

Q: How does the converter behave if the 4-20 mA current input drops below the standard 4 mA threshold?

A: The internal processing circuits maintain linear down-scaling down to the lower saturation limit. A total loop break (0 mA) causes the internal logic to drop the output signal voltage to 0 VDC, triggering an out-of-range flag on the supervising PLC or DCS analog input card.

Q: Is manual calibration required to maintain the specified \pm 0.1% of span accuracy across the full operational temperature range?

A: No, the component employs internal temperature compensation networks to mitigate thermal drift across the -40 to +80 deg C span. Factory calibration remains valid provided the input supply voltage remains stabilized at 24 VDC.

Field Installation Guidelines

Shield Grounding and Shield Separation: Connect the field instrumentation cable drain wire to a single, dedicated earth point inside the local termination marshalling junction box. Do not ground the shield at both ends, as this will violate the channel-to-channel isolation boundary and cause measuring drift.
Span Selection and Wiring Terminals: Prior to applying loop power, configure the terminal links to match the designated input/output span configuration. Ensure all point-to-point connections use gas-tight crimp lugs to minimize loop resistance variations on the input terminals.
Conduit and Signal Separation: Route the low-voltage 0-10 VDC output lines in dedicated wire trays physically isolated from parallel 440 VAC power distribution cables or variable frequency drive conductors to prevent inductive noise injection.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.