Honeywell 900G01-0202 Digital Input Module

The Honeywell 900G01-0202 is a Digital Input Module designed for use in Honeywell’s C300 and ControlEdge family of control systems. It is a key component within Honeywell’s Series 900 I/O family, offering reliable and flexible input signal acquisition from various field devices. Engineered for high integrity and noise immunity, this module accepts discrete (on/off) signals from field instruments such as switches, push-buttons, relays, and digital sensors.

Its seamless integration with Honeywell’s Experion PKS (Process Knowledge System) makes the 900G01-0202 an essential tool in mission-critical environments like oil refineries, chemical processing plants, power generation facilities, and pharmaceutical manufacturing. Built with industrial-grade hardware and advanced diagnostics, it ensures secure operation and fast response to real-time input changes.

Technical Specifications

Applications

The Honeywell 900G01-0202 is widely used in industries that demand robust digital signal interfacing, real-time responsiveness, and seamless system integration. Primary application areas include:

• Process Automation Systems: Capturing digital signals from field switches, valves, proximity sensors, and interlocks.

• Factory Automation: Monitoring machine states, emergency stops, and system interlocks.

• Energy Sector: For turbine monitoring, substation control, and distributed generator systems.

• Oil & Gas Industry: Input collection from pipeline pressure switches, limit indicators, and local alarms.

• Pharmaceutical Manufacturing: Ensuring precise state feedback in GMP-compliant environments.

• Water and Wastewater: Digital monitoring of pump status, gate positions, and level switches.

Product Advantages

• High-Density Inputs: 16 discrete channels in a compact form factor reduce cabinet space and wiring.

• Reliable Signal Acquisition: Excellent noise immunity ensures reliable data in electrically noisy environments.

• Advanced Diagnostics: Real-time detection of open or short circuits helps minimize downtime.

• Seamless System Integration: Fully compatible with Honeywell’s C300 and ControlEdge controllers via the I/O Link.

• Optical Isolation: Protects control system from electrical transients and field-induced faults.

• Compact and Modular: Fits easily into tight control panels and allows future scalability.

• Low Power Use: Efficient operation with minimal heat dissipation, extending component life.

• Status LEDs: Each channel has an LED for instant visual feedback on signal state.

• Industrial Durability: Certified for harsh environmental conditions and extreme operating ranges.

• Easy Maintenance: Hot-swappable with minimal downtime and quick diagnostics through Experion PKS.

Frequently Asked Questions (FAQ)

1. How many input channels does the 900G01-0202 module support?

   It supports 16 discrete digital input channels.

2. What voltage does the module operate with?

   The input channels are designed for a 24V DC nominal signal.

3. Can it be used in a redundant system?

   Yes, it’s suitable for use in high-availability, redundant architectures.

4. Is the module hot-swappable?

   Yes, it supports hot-swapping under proper procedures within a live system.

5. Does it support diagnostics?

   Yes, it features open and short detection and channel-wise LED indicators.

6. What systems is this module compatible with?

   It’s designed for Honeywell’s Series 900 I/O, including C300 and ControlEdge systems.

7. Does it support both sourcing and sinking inputs?

   No, it’s specifically designed for sinking inputs (receives current).

8. How is the module powered?

   It draws power from the system backplane via its mounting base.

9. Is it certified for industrial use?

   Yes, it is CE, UL, CSA, and RoHS certified.

10. What kind of mounting options are available?

    It can be mounted on a DIN rail or a Honeywell baseplate.