Key Technical Specifications
- Product Model: CC-MCAR01
- Manufacturer: Honeywell
- Associated Part Number: 51403892-100
- Product Type: Carrier Channel Assembly
- System Platform: Honeywell Experion PKS
- Controller Family: C300
- Primary Function: Module carrier support and backplane channel interface
- Installation Environment: Industrial control cabinet / C300 controller chassis
- Condition: Must be verified per unit — new, surplus, or refurbished
- Warranty: Typically 12 months from supplier
- Documentation Requirement: Verify against Honeywell C300 hardware manual and site engineering drawings
Product Introduction
HONEYWELL CC-MCAR01 is a carrier channel assembly used within Honeywell’s Experion PKS C300 controller platform. It provides the physical mounting structure and backplane connection path for controller and I/O modules inside a C300 chassis.Unlike a processor or I/O module, CC-MCAR01 does not execute control logic by itself. Its role is structural and electrical: it supports module installation, maintains correct alignment, and helps carry signals between modules and the controller backplane. That makes it a common replacement target when a C300 channel shows physical damage, bent pins, cracked mounting features, or intermittent module-contact faults.
Installation & Configuration Guide
Preparation — 10 minutes
- Confirm the replacement part is CC-MCAR01.
- Check the label for 51403892-100 if present.
- Review the C300 chassis drawing before removal.
- Obtain ESD protection: wrist strap, ESD mat, and grounded workstation.
- Prepare tools: screwdriver set, label tape, camera, and module removal tool if required.
- Record the existing module positions.
Safety: Follow site lockout/tagout procedures before working inside the controller cabinet.
Removal — 5 to 10 minutes
- Place the controller or affected channel into maintenance mode if supported.
- Label each module and its slot position.
- Remove modules from the carrier channel in sequence.
- Disconnect any attached wiring only if required by the maintenance procedure.
- Remove mounting screws or retaining hardware.
- Lift the existing CC-MCAR01 assembly from the chassis.
- Inspect the backplane contacts for bent pins, corrosion, or burn marks.
Installation — 10 minutes
- Compare the old and new CC-MCAR01 assemblies side by side.
- Confirm mounting holes, keying, connector orientation, and slot count match.
- Place the new carrier channel into the chassis.
- Secure all mounting hardware to the specified torque if available.
- Reinstall modules in their original positions.
- Reconnect wiring only after confirming terminal orientation.
- Verify that each module seats fully and evenly.
Power-On & Test — 10 minutes
- Confirm all modules are installed correctly.
- Restore power to the C300 chassis.
- Check controller and module status indicators.
- Verify that no new hardware faults appear.
- Confirm module recognition in the controller configuration.
- Run a basic I/O or diagnostic check if available.
- Return the system to normal operation only after stable status is confirmed.
Troubleshooting Quick Reference
| Symptom | Most Likely Cause | First Check |
|---|---|---|
| Module not recognized | Poor backplane contact | Reseat module and inspect carrier pins |
| Intermittent faults | Loose carrier mounting | Check screws, rails, and alignment |
| Multiple module errors | Carrier or backplane issue | Inspect CC-MCAR01 and backplane connectors |
| Bent pins after install | Forced module insertion | Remove module and inspect slot contacts |
| No power to modules | Power supply or chassis fault | Check C300 power modules and fuses |
| Random communication errors | ESD damage or loose connection | Verify grounding and reseat modules |
Dimensions, Mounting & Wiring Notes
- Height × Width × Depth: Not confirmed from available references. Measure the existing CC-MCAR01 or check the Honeywell C300 hardware manual before ordering.
- Mounting Method: Cabinet or C300 chassis mounting via carrier-channel hardware.
- Terminal Notes: CC-MCAR01 is a carrier/backplane assembly, not a field-wiring terminal block. Field wiring usually connects through I/O modules and terminal boards, not directly through the carrier.
- Inspection Notes: Check for cracked plastic, damaged guide rails, corroded contacts, missing hardware, or misaligned slots.
FAQ
Is CC-MCAR01 a controller or a carrier assembly?
Based on Honeywell C300 part references, CC-MCAR01 is a carrier channel assembly, not a controller processor. Always confirm using the physical label and part number 51403892-100.
Can I replace CC-MCAR01 without reconfiguring the C300 system?
Usually, yes — if the replacement is the same part number and the modules are reinstalled in the same positions. The carrier itself does not normally hold application logic. However, you should still verify module recognition and chassis diagnostics after installation.
I’m not sure whether my unit is new or refurbished. What should I check?
Check the supplier listing, label condition, packaging, and test documentation. Ask for:
- Full part number
- Condition statement
- Test report
- Firmware or revision photos if applicable
- Warranty terms
If the seller cannot confirm condition clearly, treat it as a procurement risk.
What happens if I install the wrong carrier assembly?
You may get module seating problems, bent backplane pins, intermittent faults, or chassis damage. Never force a module into a carrier channel. If alignment feels wrong, stop and compare the old and new assemblies.
Is CC-MCAR01 compatible with all Honeywell C300 modules?
Compatibility depends on the chassis, slot position, module type, and hardware revision. CC-MCAR01 is associated with the C300 platform, but you should verify the exact slot and module support in the C300 hardware documentation.
Can I use this part in a non-Honeywell DCS?
No. CC-MCAR01 is designed for Honeywell Experion PKS / C300 hardware. It is not a generic industrial backplane or carrier.
How do I avoid ESD damage during replacement?
Wear a grounded ESD wrist strap, use an ESD-safe mat, handle the assembly by its edges, and avoid touching backplane pins or module connectors.





