Honeywell 900A01-0001 Analog Input Module

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

Applications

The 900A01-0001 Analog Input Module is widely used across industries where accurate analog data acquisition is critical:

• Petrochemical plants

• Oil and gas refineries

• Power generation facilities

• Water and wastewater treatment plants

• Food and beverage production lines

• Pharmaceutical manufacturing

• Pulp and paper mills

• HVAC systems in large commercial installations

• 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.