Overview

The Allen-Bradley 1771-OWNA is a 32-point contact output module used in PLC-5 systems, offering normally open outputs. It supports various I/O link types, including ControlNet, Universal Remote I/O, and Extended Local I/O links, allowing versatile system integration.

• I/O Adapter Modules: Available for ControlNet, Universal Remote I/O, and Extended Local I/O links.
• Compatibility: Works with the 1771-ASB, supporting up to 32 I/O-adapter devices, with either 82W or 150W termination.

Specifications

• Outputs per Module: 32 (4 groups of 8)
• Module Locations: Compatible with 1771-A1B through -A4B, and 1771-AM1, -AM2 I/O chassis.

Electrical Ratings:

• Voltage Rating:
  • 24 - 138V AC RMS
  • 24 - 125V DC
• Current Rating:
  • 1A (derates linearly by 0.033A/°C above 45°C)
  • 12A (derates linearly by 0.4A/°C above 45°C)
  • 4A (derates linearly by 0.133A/°C above 45°C)
• Surge Current: 1A (maximum per output at rated power)
• Power Rating:
  • DC: 30W per output (resistive) maximum
  • AC: 30W per output (resistive) maximum
• Minimum Contact Load: 10mA
• Operate/Release Time: 5ms (+1ms) typical
• Bounce Time: 1ms (maximum)
• Switching Frequency: 10Hz (maximum)

Power and Thermal Characteristics:

• Power Dissipation:
  • All relays OFF: 15mW
  • All relays ON: 12.5W (maximum)
• Thermal Dissipation:
  • All relays OFF: 0.05 BTU/hr
  • All relays ON: 42.75 BTU/hr (maximum)

Backplane and Wiring:

• Backplane Current: 2.5A maximum, 1.8A nominal
• Isolation Voltage:
  • 1000V between open contacts
  • 1500V between coil and contact
• Interconnect Cable Length: 1000 ft. (304.8 meters) maximum
• Wire Size:
  • Category: 14 gauge (2mm²) stranded
  • Insulation: 3/64 inch (1.2mm) maximum

Environmental Conditions:

• Operating Temperature: 0 to 60°C (32 to 140°F)
• Storage Temperature: -40 to 85°C (-40 to 185°F)
• Relative Humidity: 5 to 95% (without condensation)

Mechanical and Installation Details:

• Keying:
  • Between pins 6 and 8
  • Between pins 16 and 18
• Field Wiring Arm: Part Number 1771-WN
• Wiring Arm Screw Torque: 7-9 inch-pounds

Certifications:

• Agency Certification:
  • CSA certified (when product or packaging is marked)
  • CSA Class I, Division 2, Groups A, B, C, D certified
  • UL listed
  • CE marked for all applicable directives

Installation Data:

• Refer to 1771-5.38 for detailed installation instructions.