Product Details
Overview
The Allen-Bradley 1771-OMD is a 16-point AC output module designed for the PLC-5 series, providing reliable control of 220V AC loads. It offers precise switching, robust surge handling, and strong electrical isolation to ensure stable operation in demanding industrial environments. Its compatibility with multiple I/O chassis makes it suitable for diverse automation systems such as manufacturing, utilities, and process control.
Key Features
• Outputs: Sixteen individually controlled AC points for flexible load switching
• Voltage Range: 184 to 250V AC at 47–63Hz
• Current Rating: 2A per output, total 8A maximum per module
• Surge Capacity: 25A per output or per module for 100ms duration
• On-State Voltage Drop: 1.5V at 2A (maximum)
• Off-State Leakage: 4mA at 220V AC (maximum)
• Switching Speed: 1.0ms (off to on), 8.3–9.1ms (on to off) at 60Hz
• Power Dissipation: 3.7W minimum, 17.3W maximum
• Thermal Dissipation: 12.6–59.0 BTU/hr
• Backplane Current: 700mA at 5V DC ±5%
Electrical and Safety Specifications
• Isolation Voltage: Meets UL 508 and CSA C22.2 No.142 standards
• Minimum Load Current: 10mA per output at 220V AC, 60Hz
• Fuse Rating: 10A, 250V rectifier fuse (Littelfuse PN 322010 3AB)
• Wiring Arms: Standard 1771-WH or fused 1771-WHF / 1771-WHFB options
• Wire Size: Up to 14 AWG (2mm²) stranded conductors
• Insulation Thickness: Maximum 1.2mm (3/64 inch)
• Screw Torque: 7–9 inch-pounds
Environmental Ratings
• 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% non-condensing
Compatible Chassis
• Supported Models: 1771-A1B through 1771-A4B or later
• Additional Options: 1771-AM1 and 1771-AM2 I/O chassis
Applications
The 1771-OMD module is widely used in industrial automation and control systems where precise AC switching is required.
• Process Control: Ideal for automated manufacturing and assembly lines
• Motor & Solenoid Control: Suitable for high-reliability actuation systems
• Power Management: Integrates into energy and equipment distribution setups
• HVAC Systems: Used in environmental and building automation
Advantages
• Reliability: Stable performance under continuous heavy load operation
• Protection: Excellent surge handling for extended service life
• Installation: Compatible with standard and fused wiring arms for flexibility
• Integration: Fully supports existing PLC-5 architectures
FAQ
Q1: Can the 1771-OMD operate with mixed voltage sources?
A1: No. All outputs must share the same AC voltage source within 184–250V AC.
Q2: Does the module have integrated fuses?
A2: The standard version uses the unfused 1771-WH wiring arm. For additional protection, fused wiring arms 1771-WHF or 1771-WHFB are available.
Q3: What wire specifications are recommended?
A3: Use stranded copper conductors up to 14 AWG with insulation not exceeding 1.2mm thickness.
Q4: What certifications does this module meet?
A4: The 1771-OMD complies with UL 508 and CSA C22.2 No.142 industrial control standards.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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