1440-SPD02-01RB
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Overview of Allen Bradley 1440-SPD02-01RB
The Allen Bradley 1440-SPD02-01RB is a versatile speed measurement module designed to accurately monitor critical rotating equipment. This XM-220 Dual Speed Module operates at a control supply voltage of 24 VDC and integrates two speed inputs along with a tachometer input, enabling precise monitoring of rotor speed and acceleration. Its construction supports continuous operation within an ambient temperature range from -20 °C to 65 °C, making it suitable for demanding industrial environments. The 1440-SPD02-01RB module is widely used for predictive maintenance and machine protection as it helps detect conditions such as zero speed, locked rotor, and reverse rotation, enhancing operational reliability. Certified to stringent standards including UL and China CCC, this module is a dependable choice for industrial automation systems.Key Features of Allen Bradley 1440-SPD02-01RB
- Dual speed input and tachometer input support for comprehensive speed monitoring
- Operates on a 24 V DC control supply voltage ensuring compatibility with standard industrial systems
- Measures speed, rotor acceleration, peak speed, and detects reverse rotation and locked rotor conditions
- Designed for harsh industrial environments with operating temperature from -20 °C to 65 °C
- Compact dimensions: approximately 97 x 94 x 94 mm for easy integration
- UL and China CCC certified for safety and compliance
- Low power consumption at 2.9 watts max
- Supports advanced diagnostic and predictive maintenance applications
- Provides relay outputs rated for 250V AC and 3A resistive load
- High immunity to shock, vibration, and conducted radio frequency interference ensuring reliable operation
Technical Specs of 1440-SPD02-01RB
| Specification | Details |
|---|---|
| Type | XM-220 Dual Speed Module |
| Control Supply Voltage | 24 V DC |
| Inputs | Two speed inputs, one tachometer input |
| Output | 2 relay outputs (250V AC, 3A resistive load) |
| Operating Temperature | -20 to 65 °C |
| Dimensions (HxWxD) | 97 x 94 x 94 mm (3.8 x 3.7 x 3.7 in.) |
| Power Dissipation | Max 2.9 W |
| Shock Resistance (operating) | 15 g |
| Vibration Resistance (operating) | 5 g @ 10-500 Hz |
| Certification | UL Listed, China CCC |
Applications / Use Case
The Allen Bradley 1440-SPD02-01RB is ideal for industrial automation environments requiring real-time speed monitoring of rotating machinery. It is commonly applied in motor and pump control systems where detecting stall, reverse rotation, or abnormal speed conditions is critical for machine protection. This module supports predictive maintenance practices by providing detailed feedback on speed variations and rotor acceleration, enabling early fault detection and reducing unplanned downtime. Industries such as manufacturing, water treatment, and process automation benefit from its robust design and reliable performance. By integrating the 1440-SPD02-01RB into control systems, engineers can improve machine safety, optimize operational efficiency, and prolong equipment lifespan.Related Resources
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