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Product Overview

The Honeywell 900H32-0102 is a high-density digital output module engineered for the HC900 process automation platform. It features 32 current-sourcing, high-side outputs designed to manage critical field devices such as relays, solenoids, and alarm indicators. This module is built for demanding industrial environments, including water treatment, thermal power generation, and petrochemical processing, providing reliable, deterministic output control.

Features

  • High-Density Output: Provides 32 sourcing digital channels for efficient cabinet space utilization.
  • Galvanic Isolation: Channels are organized into two groups of 16, each galvanically isolated to enhance noise immunity and system safety.
  • Active Protection: Features integrated active current limiting across four groups of 8 channels, allowing for automatic fault recovery without the need to cycle module power.
  • High-Side Switching: Utilizes a robust high-side transistor architecture suitable for various resistive and inductive industrial loads.
  • Efficiency: Optimized for low power dissipation with a typical ON-state voltage drop of only 0.15 VDC at 0.5 A.

Technical Specifications

Model 900H32-0102
Series HC900
Output Type 32 High-side sourcing outputs
Operating Voltage 10.5 to 32 VDC
Max Load Current 0.5 A per point
Max Group Current 6 A per group
Max Module Current 12 A (resistive)
Operating Temp 0 to 60 deg C
Mounting DIN rail

Installation Guidelines

  • Ensure the controller is powered down before inserting or removing the module from the rack to prevent electrical damage.
  • Mount the module in a clean, dry environment with adequate ventilation to maintain the operating temperature range of 0 to 60 deg C.
  • Use shielded cabling for output signals to minimize EMI interference in electrically noisy industrial zones.
  • Verify that the load does not exceed the specified 0.5 A per point or 6 A per group current limits to avoid triggering the active current limiting protection.
  • Note that outputs 17-32 are not suitable for TPO, PPO, or TPSC control applications due to timing constraints.

FAQ

Does this module require a power cycle after a fault? No, the 900H32-0102 features automatic recovery via active current limiting. Once the fault condition is removed, the output channel will resume normal operation.

Are all 32 channels isolated from each other? No, the channels are divided into two galvanically isolated groups of 16 outputs each.

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