1794-OB8EP

Overview

1794-OB8EP is an Allen-Bradley FLEX I/O digital DC output module with 8 sourcing outputs, designed for reliable control in distributed automation systems.

Module Identity

• Model: 1794-OB8EP

• Product Type: FLEX I/O Digital DC Output Module

• Manufacturer: Allen-Bradley Rockwell

• Number of Outputs: 8 (current, sourcing)

• Recommended Terminal Base Units: 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBN, 1794-TB3K, 1794-TB3SK, 1794-TBNK

Electrical Characteristics

• On-State Voltage (min): 19.2 V DC

• Output Current Rating:

  • 2.0 A max per output

  • 10.0 A max per module (e.g., 8 outputs @ 1.25 A, 5 outputs @ 2.0 A, or similar combinations totaling ≤10.0 A)

• Surge Current: 4 A for 50 ms, repeatable every 3 seconds

• Isolation Voltage: 50 V continuous, Basic Insulation Type

  • Tested at 850 V DC for 1 s (between field side and system)

  • No isolation between individual channels

• FlexBus Current: 73 mA @ 5 V DC

Power & Thermal Data

• Power Dissipation (max): 5.5 W @ 31.2 V DC

• Thermal Dissipation (max): 18.8 BTU/hr @ 31.2 V DC

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