Product Overview

The Honeywell 900A16-0301 is a high-density, high-level analog input module designed for the ControlEdge HC900 and PLC platforms. It provides 16 independent channels for monitoring voltage and current signals from field transmitters such as flow meters, pressure sensors, and level gauges. This module ensures precise data acquisition and maximum uptime for industrial control strategies by leveraging advanced signal processing technologies. We supply this unit as 100% Brand New original hardware to guarantee reliability and optimal performance in demanding environments.

Technical Specifications

Engineering Advantages

High-Density Channel Layout
The 16-channel architecture allows engineers to consolidate high-level analog signals into fewer rack slots. This efficiency not only reduces overall chassis requirements but also lowers the cost-per-point for large-scale data acquisition projects, particularly when handling significant numbers of field transmitters in industrial environments.

Galvanic Protection
Each point features galvanic isolation to the chassis, preventing ground loops and protecting the internal backplane circuitry from field-side electrical interference. This design ensures that any faults in one field transmitter do not affect the integrity of the entire control system, enhancing overall system reliability.

Flexible Signal Handling
The module is designed to support both voltage and current inputs. For current-based loops (4-20mA), engineers can easily add 250-ohm precision shunt resistors to the terminal block, enabling consistent signal processing across a wide variety of industrial instrument types.

Intelligent Parallel Processing
Each module is equipped with a dedicated micro-controller to handle signal conditioning and conversion in parallel with the main CPU. This distributed processing model ensures that the system maintains consistent 100ms update rates, regardless of the overall I/O count, ensuring timely and accurate data processing even in large, complex systems.

FAQs

Can this module process Thermocouple or RTD signals?
No, the 900A16-0301 is designed for high-level voltage and current signals. To process thermocouple (TC) or RTD signals, you would need a Universal Analog Input module such as the 900A01 series.

Does it support HART communication?
The 900A16 series primarily handles high-level analog values and does not support HART protocol natively. For full HART communication (including Command 3 and 48), the ControlEdge UIO (Universal I/O) module would typically be required.

How do I monitor the module health?
The 900A16-0301 features a tri-color "Module Status" LED on the front.

• Green indicates the module is functioning properly.

• Red flashing lights indicate specific fault codes.

• Amber signals indicate an I/O override or force in place.

Is the 900A16-0301 "hot-swappable"?
Yes, the HC900 rack architecture supports hot-swapping of I/O modules. You can safely remove and insert modules under power, and the controller will automatically sense the new module and auto-configure it, provided the model number matches the control strategy.