1756-OX8I

Overview

• Model: 1756-OX8I
• Brand: Allen-Bradley
• Type: Isolated Relay Output Module
• Series: ControlLogix
• Outputs: 8-Point Individually Isolated

Electrical Specifications

• Output Current: 2, 0.5, 0.25 Amps
• Contact Output: Form C contacts
• Operating Voltage: 10-265 Volts AC, 5-150 Volts DC
• Initial Contact Resistance: 100 mΩ @ 6V 1 A
• Maximum Switching Frequency: 1 operation/3 s (0.3 Hz at rated load)
• Maximum Output Delay Time: 13 milliseconds
• Isolation Voltage: 250V (continuous), basic insulation type (outputs-to-backplane, output-to-output)
• Power Dissipation (Max): 3.1 Watts at 60°C

Performance and Lifespan

• Mean Bounce Time: 1.2 ms
• Expected Contact Life:
  • 300 kHz resistive
  • 100 kHz inductive

Physical Specifications

• Backplane Current at 5V: 100 mA
• Removable Terminal Blocks:
  • 1756-TBCH, 1756-TBS6H
• Enclosure: None

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