Foxboro S3015BN Analog Input Module

Product Description

The Foxboro S3015BN module is a versatile interface component designed for the Foxboro I/A Series DCS platform. Depending on system configuration, it operates either as a precision analog input module or as a structured termination assembly for field wiring integration.

In its analog input role, the module performs high-resolution acquisition and signal conditioning for multiple sensor types, ensuring accurate process measurement in real time. When deployed as a termination assembly, it provides organized, high-density wiring interfaces with built-in isolation and protection, simplifying installation and maintenance of Fieldbus Modules (FBMs).

The S3015BN is engineered for long-term reliability in process industries where signal integrity, electrical isolation, and environmental robustness are essential.

Key Features

• Multi-function design supporting analog input or termination assembly use

• High measurement accuracy suitable for critical process signals

• Electrical isolation between field signals and control system circuits

• Broad sensor compatibility including voltage, current, RTD, and thermocouples

• Integrated protection against electromagnetic interference and transients

• High-density terminal layout for efficient panel wiring (TAM configuration)

• Seamless integration with Foxboro I/A Series FBMs

Technical Specifications

General Information

• Model: S3015BN

• Manufacturer: Foxboro

• Platform: I/A Series Distributed Control System

• Functional Type:

• Analog Input Interface Module

• Termination Assembly Module (application-dependent)

• Country of Manufacture: USA

Analog Input Performance

• Channel Count: 16 differential inputs

• Supported Signals:

• Voltage: ±10 V

• Current: 4–20 mA

• RTD: Pt100, Pt500, Ni120

• Thermocouples: J, K, T, E, R, S, B, N

• Accuracy: ±0.1% of measured value

• Resolution: Up to 0.01% of full scale

• Input Isolation: 2500 Vrms

• Output Signal (conditioned): 4–20 mA

• Supply Requirement: 24 VDC

• Typical Current Draw: ~25 mA

Termination Assembly Characteristics (TAM Mode)

• Function: Field signal termination and routing for FBMs

• Signal Handling: Analog, discrete, pulse, and auxiliary power lines

• Terminal Type: Removable terminal blocks or screw-clamp connections

• Wiring Density: Multi-channel high-density configuration

• Isolation: Field-to-system galvanic isolation

• Protection Features:

• EMI/RFI suppression

• Surge protection

• Short-circuit protection

Environmental Ratings

• Operating Temperature:

• Analog module: –40°C to +80°C

• TAM configuration: –20°C to +70°C

• Storage Temperature: –40°C to +85°C

• Relative Humidity: 0–95% RH, non-condensing

• EMC Compliance: Designed for industrial electromagnetic environments

Mechanical Details

• Mounting: Panel or rack-mounted depending on system design

• Dimensions: 190 × 25 × 150 mm

• Weight: 0.6 kg

Applications

• Acquisition of temperature, pressure, flow, and level signals

• Integration of multi-sensor instrumentation into DCS systems

• High-density field wiring termination in control cabinets

• Process automation in petrochemical, energy, and pharmaceutical sectors

FAQ

Q: Can the S3015BN operate as both an input module and a termination unit?
A: The hardware is referenced differently depending on configuration. It is deployed either as an analog input module or as a termination assembly, not both simultaneously.

Q: What types of sensors can be connected?
A: The analog version supports voltage, current, RTDs, and a wide range of thermocouples, making it suitable for most process measurement tasks.

Q: Does it provide electrical isolation?
A: Yes, the module includes high-level galvanic isolation to protect control systems from field-side disturbances.

Q: Is it compatible with all I/A Series FBMs?
A: It is designed for integration with standard Foxboro I/A Series FBMs, but compatibility should be verified against specific system configurations.