1756-OW16I Allen-Bradley ControlLogix NO Isolated Relay Output

Overview

The Allen-Bradley 1756-OW16I is a 16-point, Normally Open (N.O.) output module designed for the ControlLogix automation platform by Rockwell Automation. This module is ideal for systems requiring dry contact relay outputs with individually isolated channels. It supports a wide operating voltage range, making it suitable for use in a variety of industrial applications. Whether you’re managing DC or AC loads, this module provides reliable and efficient performance.

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Module Type: Digital DC Sourcing Output
• Part Number: 1756-OW16I
• Contact Form: Normally Open (N.O.)
• Voltage Range:
  • DC: 5-125V
  • AC: 10-240V
• Output Current Ratings:
  • 1 A @ 5-30V DC
  • 0.5 A @ 48V DC
  • 0.22 A @ 125V DC
  • 1.5 A @ 120V AC (50/60 Hz)
  • 0.75 A @ 240V AC (50/60 Hz)
• Output Signal Delay:
  • ON to OFF: 10 ms (max)
  • OFF to ON: 10 ms (max)
• Backplane Current:
  • 24V DC: 2 mA
  • 5.1V DC: 150 mA
• Thermal Dissipation: 4.5 W at 60°C (140°F)
• Enclosure Type: Open-style (None)
• Isolation Voltage: 50V continuous
• Terminal Block: 1756-TBCH, 1756-TBS6H
• Max. Switching Frequency: 0.3 Hz at rated load
• Operating Temperature Range: 0°C to 60°C
• Humidity Range: 5% to 95% (non-condensing)

Ordering Information

• Part Number: 1756-OW16I
• Removable Terminal Blocks:
  • 1756-TBCH
  • 1756-TBS6H

FAQ

• Q: What is the maximum switching frequency for the 1756-OW16I module?
  A: The maximum switching frequency is 0.3 Hz when operating at rated load.
• Q: Can I use this module with inductive loads?
  A: Yes, the module supports both resistive and inductive loads. However, the maximum switching frequency for inductive loads is 100 kHz.
• Q: What is the contact life of the 1756-OW16I?
  A: The expected contact life is 300 kHz for resistive loads and 100 kHz for inductive loads.
• Q: What is the recommended terminal block for this module?
  A: The compatible terminal blocks are 1756-TBCH and 1756-TBS6H.

Check official datasheet for more detailed information: ControlLogix and GuardLogix Controllers