Honeywell 900R08R-0101 8-Slot I/O Rack with Redundant Power (Legacy)

Product Overview

The Honeywell 900R08R-0101 is a legacy 8-slot I/O rack with redundant power support designed for the ControlEdge HC900 controller family. As an earlier-generation rack, it provides 8 I/O module slots plus dual power supply slots for fault-tolerant operation. The 900R08R-0101 serves as a direct replacement for existing installations and maintains full compatibility with the HC900 I/O module ecosystem.

Key Features

• 8 I/O module slots for medium-scale automation
• Legacy rack revision — direct replacement for existing 900R08R-0101 installations
• Redundant power support — dual power supply slots
• Full HC900 module compatibility
• DIN rail or panel mounting
• Rugged aluminum construction for industrial environments

Technical Specifications

• Model: 900R08R-0101
• Product Type: 8-Slot I/O Rack with Redundant Power (Legacy)
• Series: ControlEdge HC900
• Number of Slots: 8 I/O slots + redundant power supply slots
• Power Support: Redundant (dual power supply)
• Dimensions (H × W × D): 137 × 419 × 152 mm (5.4" × 16.5" × 6.0")
• Weight: Approx. 1.0 kg (2.2 lbs)
• Mounting: DIN rail or panel mount
• Operating Temperature: 0°C to +60°C
• Storage Temperature: −40°C to +85°C
• Certifications: CE, UL, CSA

Typical Applications

• Legacy HC900 system maintenance
• Replacement of failed 900R08R-0101 racks
• Medium-scale redundant control systems
• Process automation with moderate I/O density

FAQ

Installation Guide

1. Power Down: De-energize before rack replacement.
2. Module Transfer: Remove modules from the old rack and install them in the same slot positions on the new 900R08R-0101.
3. Power Supplies: Install two power supply modules in the redundant slots.
4. Scanner: Insert the I/O scanner module.
5. Grounding: Connect rack ground to cabinet earth.
6. Verification: Power on and confirm system communication.

Selection Tips

• Use the 900R08R-0101 for legacy system maintenance or when the part number is specified in existing documentation.
• For new designs, prefer the 900R08R-0200 for latest features and long-term support.
• Verify controller firmware compatibility with legacy rack revisions.