8520-ASM3 | Allen-Bradley 3-Axis Analog Servo Control Board
Allen-Bradley · Motors & Motion
Description The Allen-Bradley 8520-ASM3 is a 3-axis analog servo control board designed for CNC systems, specifically models 9/260 and 9/290. It delivers precise analog control with high-resolution output and integrated firmware functionality for complex motion control applications. Technical Specifications Condition New/Never Used Surplus Brand Allen-Bradley Category Servo Products Part Number 8520-ASM3 Subcatecory Servo Add-On Module/Board Axes 3 Output Voltage Range +/- 10V Output Offset Voltage 500mV max. Resolution 1.22mV Sampling Frequency 500Hz Output Current 5mA max. Conversion time 8.25 ms Gain Error +/-1 LSB max. Weight 1.85 lbs Information About 8520-ASM3 The 8520-ASM3 analog servo board is engineered for use with Allen-Bradley CNC systems and supports up to three independent motion control axes. It provides ±10V analog output with 1.22 mV resolution, ensuring accurate positioning and smooth axis movement. The board includes three D-sub connectors and integrates firmware upgrades for enhanced system functionality. Though discontinued by the manufacturer, it remains a valued module in legacy CNC systems requiring analog servo output. Key Features: 3-Axis Motion Control: supports analog control for three servo axes with firmware-enhanced functionality. High Output Precision: ±10V output range with 1.22 mV resolution and ±1 LSB gain error for smooth, accurate movement. Optimized Timing: features a 500 Hz sampling rate and 8.25 ms conversion time to ensure consistent servo feedback. Low Offset Voltage: maintains a maximum output offset of 500 mV and current draw limited to 5 mA per axis. Legacy CNC Compatibility: specifically designed for integration with Allen-Bradley 9/260 and 9/290 CNC controllers. Discontinued Status: no longer manufactured but supported in existing installations with backward-compatible firmware. The 8520-ASM3 delivers precise analog servo control across three axes, combining legacy CNC integration with fine-tuned output characteristics for industrial motion applications.
Brand: Allen-Bradley · Category: Motors & Motion
Key features
- 3-Axis Motion Control: supports analog control for three servo axes with firmware-enhanced functionality.
- High Output Precision: ±10V output range with 1.22 mV resolution and ±1 LSB gain error for smooth, accurate movement.
- Optimized Timing: features a 500 Hz sampling rate and 8.25 ms conversion time to ensure consistent servo feedback.
- Low Offset Voltage: maintains a maximum output offset of 500 mV and current draw limited to 5 mA per axis.
- Legacy CNC Compatibility: specifically designed for integration with Allen-Bradley 9/260 and 9/290 CNC controllers.
- Discontinued Status: no longer manufactured but supported in existing installations with backward-compatible firmware.
Specifications
| Manufacturer part number | 8520-ASM3 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Servo Products |
| Part Number | 8520-ASM3 |
| Subcatecory | Servo Add-On Module/Board |
| Axes | 3 |
| Output Voltage Range | +/- 10V |
| Output Offset Voltage | 500mV max. |
| Resolution | 1.22mV |
| Sampling Frequency | 500Hz |
| Output Current | 5mA max. |
| Conversion time | 8.25 ms |
| Gain Error | +/-1 LSB max. |
| Weight | 1.85 lbs |
| Product type | Servo Add-On Module/Board |
Contact Safety Shops for pricing, delivery and project support in the UAE.