Foxboro AD207AU High-Density Analog Input Module
$177.00
$350.00
Penerangan
Overview
The Foxboro AD207AU is a high-density analog input module for Foxboro I/A Series DCS, providing up to 32 analog channels for versatile signal acquisition. It supports voltage, current, RTDs, and thermocouples, delivering precise measurements for large-scale automation and continuous process monitoring in demanding industrial environments.
Operating Principle
The AD207AU integrates analog signal conditioning, high-accuracy A/D conversion, and communication within a compact, rugged module. Each input channel can be configured for the specific sensor type, offering flexibility across diverse automation setups. Redundant 24 VDC power and optional dual-module fault-tolerant configurations enhance reliability for mission-critical systems. Some supplier sub-variants are listed as dual-channel analog isolator/converters, offering rapid response and DIN-rail mounting for specialized applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AD207AU |
| Product Type | High-Density Analog Input Module |
| System Compatibility | Foxboro I/A Series DCS |
| Number of Channels | Up to 32 analog inputs |
| Supported Signals | Voltage (–32 V to +32 V), Current (–20 mA to +20 mA), RTDs, Thermocouples |
| Resolution | 16-bit |
| Accuracy | ±0.1% of full scale |
| Scan Rate | 250 ms per channel |
| Memory | 16 MB SDRAM, 32 MB Flash |
| Power Supply | 24 VDC, supports redundant supply |
| Power Consumption | Max ~8.5 W per module |
| Configuration | Single processor; dual-module fault-tolerant optional |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Humidity | 5–95% non-condensing |
| Weight | 270 g |
Alternative Dual-Channel Isolator Variant
Some supplier catalogs list the AD207AU as a dual-channel analog signal isolator/converter with these characteristics:
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2 independent channels
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DC current input, DC voltage output
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Isolation ~1500 VAC
-
Response time <100 ms
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DIN-rail mounting
-
Operating temperature –20°C to +70°C
Key Features
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Up to 32 universal analog inputs for diverse signal acquisition
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Handles voltage, current, RTD, and thermocouple signals
-
16-bit resolution with ±0.1% full-scale accuracy
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Redundant 24 VDC power support for reliable operation
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Optional dual-module fault-tolerant configuration
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Rugged design for harsh industrial conditions
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Stable long-term performance for continuous process monitoring
Application Scope
The AD207AU is suitable for:
Oil and gas production and refining
Chemical and petrochemical plants
Power generation facilities
Pulp and paper industry
Water and wastewater treatment
Large-scale process automation
FAQ
Q: Can the AD207AU handle multiple sensor types simultaneously?
A: Yes. Each channel is individually configurable for voltage, current, RTDs, or thermocouples.
Q: Does the module support fault-tolerant operation?
A: Yes. Dual-module configurations provide fault-tolerant operation with redundant power.
Q: Are there isolator/converter sub-variants?
A: Some suppliers list a dual-channel analog isolator/converter variant under the AD207AU model family for specialized applications.
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