Product Overview
The Allen-Bradley 1771-HSAR is a servo controller module from the PLC-5 series, designed for precise motion control in industrial automation. This module integrates a 96K battery-backed memory cartridge that stores application programs and AMP parameters, ensuring data retention during power loss. It operates with a 120/220 Volts AC-rated power supply, making it suitable for diverse manufacturing environments.
Technical Specifications Breakdown
Key parameters for the 1771-HSAR are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number | 1771-HSAR |
| Module Type | Servo Controller Module |
| Fuse Voltage | 120 Volts |
| Max Input Frequency | 250 Kilohertz Differential Input |
| Outputs | +/- 10 Volt DC Analog Command |
| Slots | 2 Slots Per ES |
| Module Update Period | 2 ms/axis |
| Backplane Current | 1.7 Amperes |
| Wiring Arm | 1771-WA |
| Pulse Capture Time | 50-9.999 Microseconds |
| Dimensions | 3.5 x 6.5 x 2.0 in (89 x 165 x 51 mm) |
Industry Applications
Its 2 ms/axis update period supports high-speed operations, while the 96K memory cartridge enables complex motion profiles. Compared to basic motion controllers, the 1771-HSAR offers integrated memory backup and differential input for noise immunity, reducing downtime in harsh industrial settings.
Installation & Setup Guidance
Mount the module in a 1771 I/O chassis using two slots per ES. Connect the power supply via a 1771-CAS cable to the controller's power connector. Use the 1771-WA wiring arm for field wiring. The 9-pin RS-232 connector allows connection to a development system for programming and debugging MML programs. Ensure the lithium battery is installed correctly to maintain memory retention.
Maintenance & Reliability
The lithium battery has a typical lifespan of 3 years and can back up memory for up to 10 years. Inspect the module periodically for dust accumulation and ensure adequate ventilation. Avoid exposure to excessive vibration or temperature extremes. The battery-backed memory protects critical data during power interruptions, enhancing system reliability.
Compatibility & Integration
The 1771-HSAR integrates with Allen-Bradley PLC-5 processors and uses the 1771 backplane for communication. It supports auxiliary encoders via the 15-pin AUX FDBK connector and resolver feedback. The RS-232 port facilitates offline development with T35/T50 systems. A hand-held pendant can be connected for on-the-fly parameter adjustments.
Selection Guide & Purchasing Advice
When selecting a servo controller, consider axis count, memory requirements, and power supply compatibility. The 1771-HSAR is a proven solution for PLC-5-based motion control. AutoDCSTech offers this module with detailed specifications and support. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Troubleshooting & Common Issues
If the module fails to communicate, check the RS-232 cable connection and verify the power supply voltage. A dead battery may cause loss of memory; replace with the specified lithium type. For axis faults, inspect the feedback cables and encoder connections. Use the hand-held pendant to read error codes from the system variables.
Availability & Condition at AutoDCSTech
| Part Number | 1771-HSAR |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
