Product Description
DC-PDOD51 51454820-175 is a 24 VDC digital input module of Honeywell Series‑C I/O family for Experion C300 DCS system. It acquires discrete signals from field switches, proximity sensors and relay contacts; configurable for NO / NC contact types. Channel‑group isolation and built‑in self‑diagnosis detect circuit faults. Hot‑swap supported, rack‑mounted on C300 I/O backplane. Widely used for discrete signal acquisition in petrochemical, oil‑gas and power process plants, serving as spare part for maintenance and legacy‑system replacement.
Technical Parameters
| Item | Specifications |
|---|---|
| Product family | Experion Series‑C I/O |
| Model | DC-PDOD51 |
| Part number | 51454820-175 |
| Module type | 24 VDC Digital Input Module (DI) |
| Channel count | 16 channels |
| Input voltage | 24 VDC |
| Channel input current | <2 mA per channel |
| Input impedance | 50 kΩ |
| Signal type | NPN / PNP, NO / NC configurable |
| Isolation | Group‑wise electrical isolation |
| Diagnostics | Channel fault detection, wire‑break diagnosis |
| Mounting | Hot‑swap on C300 I/O rack backplane |
| Protection class | IP20 (cabinet installation) |
| Operating temperature | 0℃‑60℃ |
| Storage temperature | ‑40℃‑+70℃ |
| Humidity | 5%‑95% non‑condensing |
| Weight | 0.36 kg |
| Certifications | CE, UL, CSA, Class I Div.2 |
| Compatible system | Honeywell Experion C300 Controller |
Product Application
- Petro‑chemical: DCS discrete signal acquisition, valve position feedback, pump status feedback
- Oil & gas plant: pressure switch, level switch and equipment status DI collection
- Power plant: auxiliary equipment status and interlock switch signals
- Chemical plant: field contact and safety interlock input signals
- Pharmaceutical, water‑treatment process automation
- Spare‑part replacement & maintenance for Honeywell C300 DCS systems
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