900A01-0001 Honeywell HC900 8-Channel Universal Analog Input

Availability: 99 left in stock

Product Overview The Honeywell 900A01-0001 serves as the primary high-density data acquisition interface for the PACSystems HC900 Hybrid Controller. This 100% Brand New module...

SKU: 900A01-0001

Manufacturer: Honeywell
Product No.: 900A01-0001
Product Type: HC900 Hybrid Controllers
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Honeywell 900A01-0001 serves as the primary high-density data acquisition interface for the PACSystems HC900 Hybrid Controller. This 100% Brand New module provides eight fully independent channels, each utilizing a 16-bit A/D converter to ensure laboratory-grade precision in industrial settings. Its "Universal" architecture eliminates the need for separate, dedicated cards for different sensor types; a single 900A01-0001 handles Thermocouples, RTDs, Voltage, and Current simultaneously. This versatility streamlines spare parts inventory and simplifies system design for complex thermal and chemical processes.

Technical Specifications

The 900A01-0001 integrates advanced signal conditioning and high-voltage isolation to protect the system backplane from field-side electrical interference.

Parameter	Specification Details
Model Number	900A01-0001
Channel Count	8 Channels (Fully Universal)
Resolution	16-Bit
Sampling Rate	500 ms (For all 8 channels)
Isolation	400V AC channel-to-channel / 1500V AC to logic
TC Support	J, K, T, E, R, S, B, N, C
RTD Support	PT100, jPT100
Voltage Ranges	0–10mV, 0–100mV, 0–5V, 0–10V, 1–5V
Current Ranges	0–20mA, 4–20mA (External 250Ω resistor required)
CJC Accuracy	±0.5°C (Internal Cold Junction Compensation)
Input Impedance	>10MΩ for TC/V; 250Ω for Current
Temp Range	0°C to +60°C (Operating)

Engineering Advantages

Sensor-Agnostic Configuration: The module allows per-channel software configuration for various input types. This eliminates the requirement for external signal converters, reducing hardware costs and potential points of failure between the field instrument and the controller.
Extreme Galvanic Protection: 1500V AC galvanic isolation separates the field inputs from the logic circuitry. This hardware barrier prevents transients, surges, and common-mode noise from damaging the HC900 CPU or affecting the data integrity of adjacent modules.
Precision Thermal Processing: Integrated Cold Junction Compensation (CJC) maintains an accuracy of ±0.5°C. Combined with internal linearization for standard temperature curves, the 900A01-0001 provides the high-fidelity feedback necessary for tight PID control in pharmaceutical and specialty chemical reactors.
High Input Impedance: An input impedance exceeding 10MΩ for thermocouple and low-voltage ranges ensures that the module does not "load" the signal source. This characteristic preserves measurement accuracy even when using long, high-resistance lead wires from the field.

FAQs

Do I need a special terminal block for the 900A01-0001?

Yes. The 900A01-0001 typically requires a 20-terminal Remote Termination Assembly (RTA) or a direct-connect terminal block. To achieve the specified TC accuracy, you must use the terminal block that includes the integrated CJC sensor for temperature reference.

How do I measure 4–20 mA signals with this universal module?

While the module is "Universal," measuring current requires an external 250Ω precision shunt resistor across the input terminals to convert the mA signal into a 1–5V DC signal for the A/D converter. Ensure you use high-tolerance resistors (typically 0.1%) to maintain 16-bit precision.

Can I mix Thermocouples and 0–10V signals on the same module?

Absolutely. You can configure each of the eight channels independently via the HC900 Designer software. For example, Channel 1 can monitor a Type K Thermocouple while Channel 2 monitors a 0–10V pressure transmitter without any cross-talk or interference.

Is this part a refurbished "A-level" pull?

No. We sell the 900A01-0001 as a 100% Brand New factory unit. It includes the original firmware and hardware revisions, ensuring it meets all manufacturer MTBF ratings and carries the full original energy profile for critical automation tasks.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.