Allen-Bradley 1771-HSARS: Advanced Ratioing Servo Controller

The Allen-Bradley 1771-HSARS delivers precision motion control with advanced ratioing capabilities for industrial automation. This IMC-120AR servo controller module from Rockwell Automation integrates seamlessly with PLC-5 control systems in 1771 I/O chassis. It provides high-speed servo control with sophisticated motion coordination features. For complete technical specifications and installation guidelines, download our comprehensive documentation.

Download Complete Technical Documentation (PDF)

Technical Specifications & Performance

• Brand & Series: Allen-Bradley PLC-5 Motion Control
• Model Number: 1771-HSARS IMC-120AR Servo Controller
• Module Type: Series B advanced ratioing servo controller
• Input Frequency: 250 kHz differential input maximum
• Output Command: +/- 10 Volt DC analog signal output
• Update Rate: 2 milliseconds per axis control cycle

Electrical & Power Specifications

• Fuse Rating: 120 Volts protection circuit standard
• Backplane Current: 1.7 Amperes maximum power draw
• Pulse Capture: 50 to 9,999 microsecond timing range
• Memory Cartridge: 1771-HMA plug-in memory module
• Wiring Arms: 1771-WA and 1771-WB replacement arms
• Slot Requirement: Single slot in 1771 I/O chassis

Physical & Environmental Ratings

• Dimensions: 3.5 x 6.5 x 2.0 inches compact design
• Weight: 2.2 pounds (1.0 kg) module weight
• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Humidity Range: 5% to 95% non-condensing operation
• Shock Resistance: 30G operating shock tolerance
• Environment: Clean, dry industrial settings required

System Integration & Compatibility

• Chassis Compatibility: Bulletin 1771 I/O chassis systems
• Controller Support: PLC-5 series controller integration
• Network Support: DH+, ControlNet, Ethernet/IP networks
• I/O Capability: Digital and analog module compatibility
• Application Scope: Large regulatory and sequential control
• Intelligent I/O: Specialized I/O requirements support

Installation & Maintenance Features

• Wiring Convenience: Replace modules without disconnecting wires
• Chassis Integration: Single slot installation simplicity
• Memory Access: Standard plug-in memory cartridge design
• Serviceability: Easy maintenance and module replacement
• Ratioing Control: Advanced motion coordination capabilities

Packaging & Shipping Information

• Genuine Allen-Bradley 1771-HSARS servo controller
• Complete installation and operation documentation
• International shipping via FedEx, UPS, and DHL services
• Secure packaging with protective materials included
• Fast order processing and tracking updates

Warranty & Support Services

• Comprehensive 12-month product warranty coverage
• Expert technical support for motion control applications
• Installation guidance and configuration assistance
• Replacement service for qualified warranty claims

Professional Technical FAQs

• What type of memory cartridge does this controller use?
• The controller utilizes the standard 1771-HMA plug-in memory cartridge.
• How many chassis slots does this module require?
• It occupies only one slot in the 1771 I/O chassis for installation.
• What are the advanced ratioing capabilities?
• The module provides sophisticated motion coordination between multiple axes.
• Can I replace the module without rewiring?
• Yes, the wiring arms allow module replacement without disconnecting wires.
• What networks support this servo controller?
• It works with DH+, ControlNet, and Ethernet/IP communication networks.

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