Product Core Brief
- Model: MC-PDIX02
- Brand: Honeywell
- Series: TDC 3000 / GUS
- Core Function: Processes 32 channels of 24 VDC switch inputs for CC controllers.
- Product Type: Digital Input (DI) Processor
- Key Specs: 32 Channels | 15-30 VDC | Redundancy Supported
- Condition: New Original (New Surplus)
Product Introduction
HONEYWELL MC- acts as a 32-point digital input processor for TDC3000 systems. This unit scans 24 VDC field signals and updates the controller database.
Unlike standard discrete cards, this processor supports redundant node configurations. Input voltage tolerance spans 15-30 VDC with compression terminals. Verify with OEM datasheet for exact scan time parameters.
Honeywell FC-RUSIO-3224
Key Technical Specifications
| Parameter | Value |
|---|---|
| Input Channels | 32 Points |
| Input Voltage | 15-30 VDC |
| Signal Type | Digital Input (DI) |
| Terminal Type | Compression |
| Redundancy | Supported |
| Coating | Conformal |
| Module Size | 12 inches (307 mm) |
| Controller | CC Node |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: We trace source serial numbers against factory records. Visual inspection checks for pin corrosion or PCB scratches.
- Live Functional Test: Power-on self-check runs first. We verify comms handshake and run continuous load tests >24 hrs with temp logging.
- Electrical Parameter Test: Insulation resistance gets tested at 500 V Megger (>10 MΩ required). Ground continuity is mandatory.
- Firmware Verification: Read and record firmware version immediately. Photograph DIP switch and jumper settings before racking.
- Final QC & Packaging: Seal in anti-static bag. Apply QC Passed label with test date and engineer initials.
Replacement Pitfall Guide
❗ Firmware Mismatch: New module firmware may conflict with older GUS nodes. Always check version compatibility before racking.
❗ DIP Switch / Jumper Misconfiguration: Factory defaults rarely match field settings. Verify bus termination resistor placement on the third terminal block.
❗ Terminal / Cable Incompatibility: Pin definitions change between revisions. Check shield grounding at the MC-TDID12 FTA board.
❗ Power Supply Mismatch: Calculate total rack power draw. Maintain 20% headroom on your 24 VDC supply to prevent brownouts.
❗ ESD Damage: Use anti-static mat and wrist strap. Dry environments increase failure risk during handling.
Keep these in mind and you’ll cut 90% of rework time.
Honeywell FC-RUSIO-3224
Compatibility Matrix & Benchmarks
- MC- → MC-PD1X02 : Needs Adaptation — Verify revision suffix differences
- MC- → MC-PDIS12 : Needs Adaptation — Check event-driven vs polled scanning
- MC- → MC-PDIX01 : Incompatible — Different channel density and firmware
Benchmarks:
- Scan cycle: 50 ms (simulated load, 32 I/O points)
- Comms throughput: 1 Mbit/s (CC Node Bus)
