Allen-Bradley 1771-HS3CR: Three-Axis Servo Controller Module

The Allen-Bradley 1771-HS3CR delivers precision motion control for industrial automation systems. This three-axis servo controller from Rockwell Automation integrates seamlessly with PLC-5 series controllers and I/O chassis. It provides advanced servo control capabilities with comprehensive feedback and safety features. For complete installation and programming details, download our comprehensive technical manual.

Download Complete Technical Manual (PDF)

Technical Specifications & Performance

• Brand & Series: Allen-Bradley PLC-5 Motion Control
• Model Number: 1771-HS3CR Three-Axis Servo Controller
• Control Axes: Three independent servo control channels
• Input Frequency: 250 kHz maximum differential input
• Output Command: +/- 10 Volt DC analog signal output
• Update Period: 2 milliseconds per axis control cycle

Power & Electrical Specifications

• Power Supply: 1771-PS7 module at 120V AC, 1 Amp
• Backplane Current: 1.7 Amperes maximum draw
• Fuse Rating: 120 Volts protection circuit
• Connection Cable: 1771-CAS 9-pin connecting cable
• Wiring System: 1771-WA wiring arm compatible
• Pulse Capture: 50-9,999 microsecond range

Memory & Programming Features

• Memory Module: 1771-HM3A 96KB battery-backed cartridge
• Storage Capacity: AMP parameters and MML programs
• Communication Port: RS-232 for program upload/download
• Programming Support: T45 and T50 ODS handheld pendant
• Debug Capability: Real-time program debugging and monitoring

Feedback & I/O Connectivity

• Encoder Feedback: Isolated 10V DC output capability
• Input Types: Differential and single-ended input support
• I/O Connector: 50-pin axis E-stop and feedback interface
• Safety Signals: E-stop status and starting signals
• Power Distribution: Fast I/O power through main connector

Physical & Environmental Specifications

• Dimensions: 3.5 x 6.5 x 2.0 inches compact design
• Weight: 1.36 kg (3 pounds) module weight
• Operating Temperature: 0°C to 60°C industrial range
• Humidity Range: 5% to 95% non-condensing
• Slot Requirement: 2 slots per execution system
• Certifications: c-UL, C-TICK, and CE compliant

Packaging & Shipping Information

• Genuine Allen-Bradley 1771-HS3CR servo controller
• Complete installation and programming documentation
• International shipping via FedEx, UPS, and DHL services
• Secure packaging with protective materials included
• Fast order processing and tracking notification

Warranty & Support Services

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

Professional Technical FAQs

• What power supply module does this controller require?
• The controller uses the 1771-PS7 power supply rated at 120V AC and 1 Amp.
• How many slots does this module occupy in the chassis?
• It requires two slots in the 1771 I/O chassis for proper installation.
• What type of memory storage does the controller use?
• It utilizes the 1771-HM3A 96KB battery-backed memory cartridge.
• Can I connect both encoder and resolver feedback?
• Yes, the controller supports both encoder and resolver feedback signals.
• What is the maximum input frequency for position feedback?
• The controller handles input frequencies up to 250 kHz maximum.

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