Digital Output 16-Channel Module | Honeywell 51454472-175
Manufacturer: Honeywell
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Part Number: 8C-PDODA1 51454472-175
Condition：New with Original Package
Product Type: 24VDC Discrete Output
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Honeywell 8C-PDODA1 (Part Number: 51454472-175) serves as a high-performance Digital Output (DO) module within the Honeywell Series 8 I/O family. This module provides 16 independent 24 VDC discrete output channels designed to drive field devices such as solenoids, relays, and indicators. Fully integrated with the Experion PKS and C300 controller environment, the 8C-PDODA1 ensures precise, fast-acting control for critical industrial processes. We supply this unit in 100% New Original and Factory Sealed condition to guarantee the highest level of system reliability.
Technical Specifications
The 8C-PDODA1 provides robust switching capabilities with integrated protection for harsh industrial loops.
| Category | Specification |
| Output Channels | 16 Independent Digital Outputs |
| Signal Type | 24 VDC Discrete Output |
| Load Capacity | Supports Inductive and Resistive Loads |
| Response Time | <1 ms switching speed |
| Isolation | Channel-to-Channel and Channel-to-System |
| Operating Voltage | 24 VDC (Supplied via I/O base) |
| Operating Temp | –40°C to +70°C |
| Storage Temp | –40°C to +85°C |
| Dimensions | 6.1 cm x 15.3 cm x 14.4 cm |
| Weight | 0.3 kg to 0.35 kg |
| Certifications | CE, UL, CSA, ATEX |
Engineering Advantages
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High-Speed Discrete Control: The module achieves a response time of less than 1 ms. This rapid switching capability allows for high-precision control of final elements, critical for safety interlocks and fast-acting sequence logic.
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Comprehensive Circuit Protection: Every channel includes built-in over-current, short-circuit, and surge protection. This prevents field-side electrical faults from migrating to the I/O backplane or damaging the C300 controller.
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Advanced Fault Diagnostics: The 8C-PDODA1 continuously monitors output status and channel integrity. It detects and reports signal faults in real-time to the Experion PKS station, allowing maintenance teams to identify broken wires or failed field devices instantly.
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Thermal and Environmental Resilience: With an operating range from -40°C to +70°C, this module thrives in unconditioned field cabinets. The protective coating safeguards the PCB against moisture, dust, and corrosive industrial gases.
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Optimized Maintenance (Hot-Swappable): The Series 8 chassis architecture supports hot-swapping. You can replace the 8C-PDODA1 module without disconnecting power to the rest of the rack, ensuring zero downtime for non-affected process loops.
FAQs
1. What types of field loads can the 8C-PDODA1 drive directly?
The 8C-PDODA1 drives both inductive and resistive loads. It is commonly used to control 24VDC solenoid valves, interposing relays, motor starter contacts, and status indicator lamps within a process plant.
2. Does the module detect an "Open Wire" condition on the output?
Yes. The module features advanced diagnostics that monitor the output status. If a wire breaks or a coil fails in the field, the system generates a diagnostic alarm in the Experion PKS Event Journal to alert the operator.
3. Is there a difference between the 51454472-175 and older versions?
The 51454472-175 is the latest manufacturer-specified part number for the 8C-PDODA1, meeting current industrial standards for Series 8 hardware and ensuring full compatibility with modern C300 controller firmware.
4. How is the 24 VDC power supplied to the outputs?
The 24 VDC excitation power is typically supplied through the Series 8 I/O base (IOTA). This ensures a clean, regulated power distribution for all 16 output channels while maintaining electrical isolation from the control logic.