Honeywell 900A16-0101 HC900 Analog Input Hi Level Module

Description

Processing high-level analog signals within industrial automation networks requires reliable, high-density interfaces, which is precisely why the 900A16-0101 was engineered. This high-level analog input module provides 16 isolated channels designed for seamless integration with Honeywell HC900 process controllers. It efficiently monitors and converts analog voltage and current field signals into highly accurate digital data for system processing.

The module features a dedicated analog-to-digital converter, ensuring consistent and rapid update cycles across all channels. With robust point-to-point galvanic isolation and advanced noise rejection characteristics, the 900A16-0101 maintains signal integrity and protects sensitive control system logic from field-side electrical disturbances. This level of reliability makes it a critical component for continuous process control applications where signal precision is vital.

Features

• 16 isolated high-level input channels to prevent ground loops and signal interference.
• Supports multiple high-level input signal types including voltage (V) and current (mA).
• Equipped with a high-resolution 15-bit analog-to-digital converter.
• Rapid channel update times of 100ms for real-time monitoring.
• Robust solid-state galvanic isolation rated at 400 VDC point-to-point and 1000 VDC to logic.
• Superior noise rejection capabilities in both series and common modes.
• High-impedance inputs minimizing loading effects on field transmitters.

Applications

• Oil and gas refinery process monitoring.
• Chemical processing and batch control.
• Power generation and distribution systems.
• Water and wastewater treatment facilities.
• Industrial boiler and combustion control systems.

Technical Specifications

Installation Guidelines

• Mounting: Mount secure in the designated I/O slot of an HC900 controller rack or remote I/O chassis. Ensure rack power is switched off during insertion or removal.
• Wiring & Shielding: Use twisted, shielded pair cables for all analog signal runs. Ground the shields at only one end (typically at the controller side) to prevent ground loops.
• Conduit Layout: Separate low-voltage analog signal cables from high-voltage AC power distribution and motor control lines.
• Thermal Management: Maintain adequate clearance around the controller rack to ensure convective cooling airflow is not obstructed.