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Digital Output Module 8C-PDODA1 51454472-175 Honeywell

Digital Output Module 8C-PDODA1 51454472-175 Honeywell

Product Overview

The 8C-PDODA1 (Part Number 51454472-175) is a specialized 8-channel digital output module developed for the Honeywell PACSystems and Experion process control environments. Unlike high-density 32-point modules, the 8C-PDODA1...

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SKU: 8C-PDODA1 51454472-175
Vendor: Honeywell
Category: Digital Output Module
Related Series:

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Product Overview

The 8C-PDODA1 (Part Number 51454472-175) is a specialized 8-channel digital output module developed for the Honeywell PACSystems and Experion process control environments. Unlike high-density 32-point modules, the 8C-PDODA1 is engineered for high-current applications, providing up to 2 Amps per channel. This makes it an ideal choice for driving heavy-duty inductive loads such as large solenoids, motor contactors, and high-wattage signaling devices without the need for interposing relays.

Performance and Environmental Specifications

Specification Details
Channel Density 8 independent digital outputs
Load Capacity 2 Amps per channel (continuous)
Operational Voltage 19.2 to 30 VDC input range
Output Switching 0 to 30 VDC range
Backplane Draw 240 mA @ 5 VDC logic power
Galvanic Isolation 500 V rms (Field side to Logic side)
Response Speed 0.5 ms delay time; 2 ms update frequency
Thermal Range -40°C to +70°C 
Dimensions 6.1 cm x 15.3 cm x 14.4 cm
Net Weight 0.3 kg

Advanced Field Protection and Reliability

Designed for mission-critical industrial sectors, the 8C-PDODA1 incorporates robust short-circuit protection to prevent internal circuit damage during field wiring faults. The 500 V rms isolation barrier ensures that high-voltage spikes or electrical noise on the field side do not migrate to the sensitive backplane logic, maintaining system stability in electrically noisy environments. Its extended temperature rating makes it suitable for deployment in remote instrument enclosures where environmental control is limited.

FAQ

Can the 8C-PDODA1 handle inductive loads without external flyback diodes?

The module includes internal protection; however, for highly inductive loads (large coils/solenoids), adding an external suppression diode at the load is a recommended engineering practice to extend the module's service life.

How does this 8-channel module compare to the 32-channel PDOD51?

The 8C-PDODA1 offers much higher current capacity per point (2A vs. mA ranges) but at a lower point density. Use the 8C-PDODA1 for high-power switching and the PDOD51 for high-density signaling.