Foxboro P0923NAD 32-Channel Analog Input Module

Overview

The P0923NAD by Foxboro is a high-density analog input module engineered for advanced distributed control systems. Supporting up to 32 input channels per rack slot, this module handles voltage, current, RTDs, and thermocouples with 16-bit resolution and ±0.1% accuracy. It is ideal for mission-critical environments including petrochemical plants, power generation facilities, and large-scale manufacturing installations.

Technical Specifications

General Information

Input Channel Specifications

• Number of Channels: 32 analog input channels

• Supported Signal Types:

• Voltage: –10 V to +10 V

• Current: 4–20 mA

• RTDs: Pt100, Cu100, Ni100

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

• Accuracy: ±0.1% of full scale

• Resolution: 16 bits

• Update Rate: 250 ms per channel

• Fault Detection: Per-channel diagnostics and isolation

Electrical Specifications

• Power Consumption: 25 W

• Input Voltage: 24 VDC (supports redundant power in system architecture)

Environmental Ratings

• Operating Temperature: –40°C to +70°C

• Environmental Protection: Resistant to humidity, dust, and vibration; industrial-grade robustness

Physical & Installation

• Mounting: Standard rack (Foxboro I/A Series or Modicon Quantum)

• Form Factor: Compact, high-density module

• Hot-Swappable: Yes — supports insertion/removal during system operation

Key Features

• 32 high-density analog input channels per rack slot

• Supports voltage, current, RTD, and thermocouple inputs

• 16-bit high-resolution measurement with ±0.1% accuracy

• Per-channel fault detection and isolation

• Hot-swappable design for uninterrupted operation

• Industrial-grade reliability from –40°C to +70°C

• Seamless integration with Foxboro I/A Series and Modicon Quantum systems

Applications

Ideal for petrochemical processing, power plants, large-scale manufacturing, and any environment requiring precise, high-density analog data acquisition.

FAQ

Q: Can this module be used in high-temperature or harsh conditions?
A: Yes, the P0923NAD operates from –40°C to +70°C and is resistant to humidity, dust, and vibration.

Q: Is the module compatible with multiple PLC systems?
A: Yes, it integrates seamlessly with Foxboro I/A Series DCS and Modicon Quantum PLC architectures.