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Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 900G32-0001 |
| Manufacturer | Honeywell International Inc. |
| Product Type | Digital Input Module |
| System Compatibility | Honeywell HC900 / Experion PKS |
| Number of Channels | 32 (two groups of 16) |
| Input Type | DC voltage, sinking |
| Input Voltage Range | 10 VDC to 32 VDC |
| ON Voltage Level | 9.5 VDC minimum |
| OFF Voltage Level | 3.5 VDC maximum |
| Input Impedance | 6.9 kΩ nominal |
| Input Current | 1.7 mA @ 12 VDC; 3.5 mA @ 24 VDC |
| Minimum ON Current | 1.0 mA |
| Maximum OFF Current | 0.7 mA |
| Response Time (OFF↔ON) | 5 ms maximum |
| Galvanic Isolation | 2 groups of 16 inputs (30 VDC max.) |
| Power Supply Loading | 5 VDC, 215 mA max |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -55°C to +85°C |
| Relative Humidity | 0% to 95% non-condensing |
| Shock Resistance | 30 g, 11 ms pulse |
| Dimensions | 137 mm × 35.6 mm × 141 mm (H×W×D)-1 |
| Weight | 175 g-5 |
| Status Indicators | Per-channel green LEDs; module status LEDs (green/amber/red)-1 |
Main Features and Advantages
High-density 32-channel input architecture: The HONEYWELL 900G32-0001 offers 32 digital input channels in a single compact module, maximizing channel density while minimizing rack space requirements. This high-density design reduces overall system footprint and lowers cost per point in large-scale industrial installations-3. The channel organization into two groups of 16 provides logical segmentation for field wiring and simplifies troubleshooting.
Wide input voltage range and sinking input configuration: The HONEYWELL 900G32-0001 accepts input voltages from 10 VDC to 32 VDC, providing flexibility to interface with both 12V and 24V DC field devices without additional signal conditioning. The sinking input design connects the DC common (negative) to the common terminal, while the switched positive wire from field devices connects to the input terminals, following standard industrial practice for discrete signal wiring-12.
Galvanic isolation and robust noise immunity: The HONEYWELL 900G32-0001 provides galvanic isolation between the two input groups, rated at 30 VDC maximum between groups, and full isolation between the field circuits and the system backplane-5-10. This isolation architecture protects the control system from ground loops and electrical interference common in industrial environments, improving signal integrity and extending module life in demanding applications-3.
Fast response and comprehensive diagnostics: The HONEYWELL 900G32-0001 delivers a 5 ms maximum response time for both ON-to-OFF and OFF-to-ON transitions, ensuring rapid detection of state changes for process interlocks and real-time control-2-5. Per-channel green LEDs provide immediate visual confirmation of input status, while module-level LEDs indicate scanning status (green blinking), forced channels (amber blinking), and diagnostic faults (red)-1-12. Logic inversion capability in the controller software allows the input state to be inverted when necessary, adding flexibility for normally-open or normally-closed applications.
Extended temperature range and industrial ruggedness: The HONEYWELL 900G32-0001 operates reliably from -40°C to +70°C, with storage capability from -55°C to +85°C, making it suitable for harsh outdoor and unheated indoor environments-2-6. The module withstands 30 g shock and operates at altitudes up to 24,000 feet, ensuring dependable performance in extreme industrial conditions-2-8.
