Foxboro AD203MH High-Density Analog Input Module
$177.00
$350.00
Description
Overview
The Foxboro AD203MH is a high-density analog input module designed for the I/A Series Distributed Control System (DCS). It provides versatile analog input channels capable of handling multiple signal types, including voltage, current, RTDs, thermocouples, and potentiometers. The module is engineered for demanding industrial environments, offering reliability, precision, and seamless integration with Foxboro’s modular control architecture.
Operating Principle
The AD203MH consolidates signal acquisition, conditioning, and communication in a compact, rugged package. Each universal input channel can be configured for the specific sensor type, enabling a flexible deployment across complex process automation systems. Certain versions support hot-swap capability, redundant power, and fault-tolerant configurations for mission-critical applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AD203MH |
| Product Type | High-Density Analog Input Module |
| System Compatibility | Foxboro I/A Series DCS |
| Number of Channels | 16 universal inputs (up to 32 in some versions) |
| Supported Signals | Voltage, Current, RTD, Thermocouple, Potentiometer |
| Resolution | 16-bit |
| Accuracy | ±0.1% of full scale |
| Update Rate | 250 ms per universal input |
| Input Ranges | –40 to +40 V, –20 to +20 mA, 0–100 Ω, 0–10 mV/°C, 0–50 mV/°C |
| Power Supply | 24 VDC (supports redundant supply) |
| Power Consumption | Max 8.5 W (non-fault-tolerant) |
| Memory | 16 MB SDRAM, 32 MB Flash (for onboard processing versions) |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Humidity | 5–95% non-condensing |
| Dimensions | 20 × 10 × 5 cm |
| Weight | 1.0 kg |
Key Features
-
16–32 configurable analog inputs for diverse sensor types
-
Supports voltage, current, RTD, thermocouple, and potentiometer signals
-
Rugged design for harsh industrial conditions
-
Optional fault-tolerant dual-module configuration
-
Hot-swappable in supported system architectures
-
Compact module with fast installation and minimal maintenance
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Modular design allows easy expansion within Foxboro I/A Series
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Compatible with Foxboro Control Studio for configuration and calibration
Application Scope
The AD203MH is suitable for applications requiring high-density, multi-signal acquisition:
Oil and gas production and refining
Chemical and pharmaceutical process automation
Power generation and utility monitoring
Water and wastewater treatment
Environmental monitoring and industrial measurement systems
FAQ
Q: Can the AD203MH handle both voltage and current inputs simultaneously?
A: Yes. Each universal channel can be independently configured for voltage, current, or other supported sensor types.
Q: Is the module hot-swappable?
A: Certain system versions support hot-swap operation to allow maintenance without interrupting the DCS.
Q: What is the maximum number of input channels?
A: Standard models support 16 channels, while specific versions allow up to 32 universal inputs.
Features
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