The Honeywell 900R08R-0300 is an 8-slot I/O rack designed for the ControlEdge HC900 process automation system. Engineered with redundant power supply support, this model ensures uninterrupted operation for mission-critical industrial applications. It accommodates I/O modules for analog, digital, and specialty signals, facilitating flexible system expansion and high availability.

Technical Specifications

Applications

• Batch process control in food and beverage industries

• Combustion control in thermal processing

• Kiln and furnace temperature regulation

• Environmental and water treatment systems

• Equipment safety shutdown systems

• Pharmaceutical production compliance monitoring

Key Advantages

• Redundant Power Support: Ensures continuous operation even during power source failure.

• Modular Design: Scalable with multiple I/O configurations for analog and digital signals.

• Hot-Swappable Modules: Allows insertion/removal of I/O modules without shutting down the system.

• Environmental Hardening: Designed for G3-class industrial environments.

• Comprehensive Certification: Enables usage in global industrial and hazardous locations.

FAQs

Q1: What is the purpose of redundant power support in this rack?

A1: It maintains system availability during a power supply failure by switching to a backup source without interruption.

Q2: Can I install or remove I/O modules while the system is powered?

A2: Yes, the rack supports hot-swapping of modules without cutting power.

Q3: How many modules can I install in this rack?

A3: The rack supports up to 8 I/O modules.

Q4: What type of modules are compatible with this rack?

A4: All standard ControlEdge HC900 analog, digital, and specialty I/O modules.

Q5: What are the environmental ratings for this model?

A5: Operates in 0–60°C and up to 90% non-condensing humidity. Suitable for G3 harsh environments.

Q6: What mounting options are available?

A6: It supports standard DIN rail and surface mounting with four screws.

Q7: Does it include any built-in diagnostics?

A7: Yes, it includes LED indicators and fault detection through the HC900 controller.

Q8: What is the material used for the rack body?

A8: It is made of durable PVC with UL94-V0 flame resistance.

Q9: What safety standards does this model comply with?

A9: It complies with CE, UL, CSA, FM, ATEX, IECEx, and UKCA certifications.

Q10: Is this rack suitable for use in hazardous zones?

A10: Yes, it is rated for Class I Div 2 and ATEX Zone 2 environments.