The Allen Bradley 1440-VST02-01RA operates as a high-precision, two-channel dynamic measurement module within the XM series ecosystem. This specialized hardware captures real-time vibration, eccentricity, and mechanical stress data directly from rotating machinery. By processing high-frequency signals from industrial sensors, the unit delivers the critical diagnostic data necessary for predictive maintenance strategies and machinery protection systems. We supply this product as a 100% brand-new, original unit to ensure immediate deployment readiness and long-term field performance.
| Parameter | Specification |
| Manufacturer | Allen Bradley / Entek |
| Product Line | XM Series |
| Part Number | 1440-VST02-01RA (Series B) |
| Condition | 100% Brand New Original |
| Measurement Channels | 2 Independent Vibration Input Channels |
| Compatible Sensor Types | Accelerometers, Velocity Sensors |
| Input Signal Range | +/-50 V Peak |
| Analog to Digital Conversion | 24-bit Resolution |
| Frequency Response Range | 0.5 Hz to 20 kHz |
| Communication Protocols | RS-485, Modbus RTU |
| Electrical Isolation | 1500 VDC Channel-to-Backplane |
| Power Consumption | 24 VDC Nominal |
| Backplane Current Draw | 400 mA at 5 VDC |
| Operating Temperature | -20 to +65 Degrees Celsius |
| Storage Temperature | -40 to +85 Degrees Celsius |
| Relative Humidity Range | 5% to 95% Non-condensing |
| Approximate Dimensions | 120 x 75 x 35 mm |
| Physical Weight | 0.45 kg (0.49 lbs) |
Eliminates Signal Cross-Talk: The 1500 VDC electrical isolation barrier separates the measurement channels from the digital backplane. This design choice prevents high-voltage transient surges and ground loops from distorting delicate sensor data.
Captures High-Frequency Micro-Faults: The 24-bit analog-to-digital converter paired with a wide 0.5 Hz to 20 kHz frequency scope allows the module to detect microscopic bearing wear, shaft misalignments, and rotor imbalances long before catastrophic failure occurs.
Simplifies Legacy Network Integration: Built-in RS-485 hardware and native Modbus RTU protocol support enable direct communication with existing PLCs, SCADA systems, and plant-wide monitoring platforms without requiring expensive proprietary gateways.
Optimizes Space in Control Cabinets: The ultra-compact 35 mm width profile minimizes rail consumption, allowing engineers to pack multiple vibration monitoring zones into standard, high-density industrial enclosures.
What types of sensors connect directly to the 1440-VST02-01RA?
The module accepts standard industrial accelerometers and velocity sensors. It manages input signals up to a peak of +/-50 V, providing broad compatibility with standard industrial vibration hardware.
How does this module communicate with my existing PLC network?
The module utilizes an onboard RS-485 interface running the Modbus RTU protocol. This allows the unit to stream real-time vibration parameters, alarms, and trend values directly to any master controller that supports Modbus registers.
What are the grounding and wiring guidelines to prevent measurement noise?
Always utilize twisted-pair, shielded cables for all sensor connections. Terminate the cable shields at only one designated grounding point (typically the module end) to eliminate induced electromagnetic noise and prevent ground loop interference.
Can this module handle harsh physical installations?
Yes. The module operates reliably across a wide temperature spectrum from -20 to +65 degrees Celsius. However, you must house the module inside an appropriately rated industrial enclosure (such as NEMA 4 or IP65) if the local environment contains oil mist, high humidity, or conductive dust.
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