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Product Introduction
The Honeywell 900A01-0001 Analog Input Module is an industrial-grade input interface designed for high-performance process control systems. Belonging to Honeywell’s well-regarded 900 Series I/O family, this module offers reliable, precise analog signal acquisition for various control applications across multiple industries.
With 8 isolated analog input channels, the 900A01-0001 accepts a wide range of input signals—such as 4–20 mA, 0–10 VDC, and thermocouple or RTD signals—ensuring compatibility with diverse field instrumentation. The module excels in critical environments where precision, noise immunity, and diagnostics are required for safe and efficient process operations.
Its rugged build, enhanced diagnostic features, and seamless integration into Honeywell’s DCS and PLC platforms make the 900A01-0001 a preferred choice for engineers managing modern industrial automation systems.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Model | 900A01-0001 |
| Product Type | Analog Input Module |
| Number of Input Channels | 8 isolated analog input channels |
| Supported Signal Types | 4–20 mA, 0–10 VDC, Thermocouple, RTD |
| Input Resolution | 16-bit or higher |
| Accuracy | ±0.05% of full scale |
| Isolation | 1500 V RMS between channels and system ground |
| Diagnostics | Built-in diagnostics with fault detection |
| Update Rate | 10 ms typical |
| Operating Temperature Range | -20 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 5% to 95% RH (non-condensing) |
| Vibration Resistance | 5–10 Hz 0.1 mm; 10–150 Hz 1.0 g |
| Shock Resistance | 30 g for 11 ms |
| Protection Class | IP20 |
| Dimensions (W × H × D) | 130 x 100 x 30 mm |
| Weight | 0.35 kg |
| Mounting | DIN rail or panel mounting |
| Communication Interface | Integrated with Honeywell I/O network |
| Certifications | CE, UL, CSA, RoHS compliant |
Applications
The 900A01-0001 Analog Input Module is widely used across industries where accurate analog data acquisition is critical:
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Petrochemical plants
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Oil and gas refineries
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Power generation facilities
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Water and wastewater treatment plants
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Food and beverage production lines
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Pharmaceutical manufacturing
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Pulp and paper mills
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HVAC systems in large commercial installations
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Metal and mining processing plants
Product Advantages
-
High Precision & Accuracy
Delivers precise readings of analog process variables with high resolution and minimal drift. -
Wide Signal Compatibility
Supports multiple signal types (current, voltage, temperature sensors) to accommodate varied instrumentation. -
Robust Diagnostic Functions
Built-in diagnostics simplify maintenance and help detect issues proactively. -
Strong Isolation
Channel-to-ground and channel-to-channel isolation enhances safety and noise immunity. -
Scalable & Modular
Easily integrated into Honeywell’s DCS or PLC systems for scalable automation solutions. -
Rugged & Industrial-Ready
Engineered to operate reliably in harsh industrial environments with high EMI, vibration, or temperature extremes. -
Compact Form Factor
Saves panel space with efficient DIN-rail or backplane mounting. -
Globally Certified
Meets major international safety and environmental standards (CE, UL, CSA, RoHS).
FAQ
1. What types of sensors are compatible with this module?
It supports common analog sensors, such as pressure transmitters, flow meters, RTDs, thermocouples, and level sensors.
2. Does the module require calibration after installation?
Factory calibrated, but periodic calibration may be performed to maintain highest accuracy depending on process criticality.
3. Is the module suitable for SIL-rated safety systems?
It can be integrated into SIL-rated systems, but final certification depends on the overall system architecture.
4. What is the typical signal update rate?
The module typically updates signal data every 10 ms, ensuring fast response for dynamic process control.
5. Can it be used in a redundant I/O configuration?
Yes, Honeywell 900 Series supports redundant configurations to enhance reliability in mission-critical applications.
6. How is the module protected against power surges?
Internal protection circuits provide robust defense against power transients and surges on input lines.
7. Is it compatible with legacy Honeywell control systems?
Yes, it can be integrated with both legacy and modern Honeywell platforms with minimal engineering effort.
8. What maintenance does the module require?
Aside from occasional visual inspection and optional calibration, the module is virtually maintenance-free.
9. Does the module support HART signals?
Yes, depending on system configuration, the module can pass through HART signals to host systems.
10. What is the maximum cable length between sensors and this module?
Cable length depends on signal type and installation conditions, but typically up to 300 meters for 4–20 mA signals.
Recommended Related Models (Same Series)
| Model Number | Description |
|---|---|
| 900A01-0002 | Analog Input Module (with extended range) |
| 900B01-0001 | Analog Output Module |
| 900C01-0001 | Digital Input Module |
| 900D01-0001 | Digital Output Module |
| 900E01-0001 | Mixed I/O Module |
| 900F01-0001 | RTD Input Module |
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