Product Core Brief
- Model: MC-PDOY22
- Brand: Honeywell
- Series: Experion PKS C300
- Core Function: Drives 32 channels of 24 VDC digital outputs for field actuators and relays.
- Product Type: Digital Output (DO) IOP Module
- Key Specs: 32 Channels | 24 VDC | 80363975-150
- Condition: New Original (New Surplus)
Product Introduction
HONEYWELL MC- functions as a 32-point digital output IOP for C300 controllers. This module switches 24 VDC loads to control valves, motors, and indicator lights.
Unlike relay-based outputs, this unit uses solid-state switching for faster cycle times. Load voltage tolerance spans 15–30 VDC. Verify with OEM datasheet for exact short-circuit protection thresholds.
JEPMC-PC040
Honeywell FC-PSU-UNI2450U-V2.1
Key Technical Specifications
| Parameter | Value |
|---|---|
| Output Channels | 32 Points |
| Output Voltage | 24 VDC (15-30 VDC Range) |
| Part Number | 80363975-150 |
| Module Type | Digital Output IOP |
| Controller Family | C300 |
| Load Type | Resistive / Inductive |
| Redundancy | Supported via IOTA |
| Mounting | Vertical DIN Rail |
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 C300 controllers. 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-TDOY22 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-PSU-UNI2450U-V2.1
Compatibility Matrix & Benchmarks
- MC- → MC-PDOY25 : Needs Adaptation — Verify channel mapping and firmware
- MC- → MC-TDOY22 : Direct — FTA board, not IOP replacement
- MC- → MC-PDIY22 : Incompatible — Digital Input module, different function
Benchmarks:
- Scan cycle: 50 ms (simulated load, 32 I/O points)
- Comms throughput: N/A (Backplane communication only)
