
1440-VSE02-01RA Dual Accelerometer Monitor – Installation & Maintenance Guide
Product Introduction
The Allen‑Bradley 1440‑VSE02‑01RA belongs to the XM‑220 protection family. This module accepts two independent accelerometer inputs. It provides real‑time vibration data for critical assets like motors, pumps, and compressors. The 1440‑VSE02‑01RA offers configurable alarm and trip relays. It also supports DeviceNet communication for direct integration into Logix control platforms. This monitor suits both new installations and retrofit projects. Its robust design ensures reliable operation in harsh industrial environments.
Core Value
This module delivers three core benefits. Firstly, it enhances equipment protection through continuous monitoring. Secondly, it reduces unplanned downtime by alerting operators to developing faults. Moreover, the 1440‑VSE02‑01RA simplifies system integration with its built‑in DeviceNet interface. Therefore, you can connect it directly to CompactLogix or ControlLogix controllers. This plug‑and‑play capability lowers engineering effort. Besides, the module’s dual‑channel design cuts hardware costs per measurement point. Specifically, it supports both velocity and acceleration measurement modes. Consequently, it adapts to diverse application requirements.
Technical Insights
The 1440‑VSE02‑01RA operates with a 24V DC supply. It accepts ICP® type accelerometers. The module provides a 4‑20 mA retransmission output for each channel. Furthermore, it includes two programmable alarm setpoints per channel. The internal processor performs FFT analysis. Hence, it can isolate specific frequency components. This feature helps identify bearing defects and gear mesh problems. Meanwhile, the module stores configuration data in non‑volatile memory. Therefore, it retains settings after power loss. The 1440‑VSE02‑01RA also offers selectable filter settings. You can choose high‑pass and low‑pass filters to focus on relevant vibration bands.
Installation & Maintenance
Proper installation ensures the 1440‑VSE02‑01RA operates accurately. Firstly, mount the module on a DIN rail inside a control cabinet. Ensure the ambient temperature stays within 0‑60°C. Secondly, use shielded cables for sensor wiring. Connect the cable shields to the ground terminal. This practice minimizes electrical noise. Thirdly, verify the supply voltage is stable at 24V DC. Then, set the node address switches before powering up. After installation, perform a functional test. Inject a known test signal to verify each channel’s response. For maintenance, schedule periodic sensor calibration checks. Additionally, inspect connectors for corrosion or loose contacts. Clean the module face with a dry cloth. Never use solvents. Keep spare fuses and terminal blocks on hand.

Buyer’s Guide FAQ
Q1: What is the primary function of the 1440‑VSE02‑01RA?
The 1440‑VSE02‑01RA monitors vibration on rotating equipment. It uses two accelerometer inputs to detect faults like imbalance and bearing wear.
Q2: Is the 1440‑VSE02‑01RA compatible with ControlLogix?
Yes. The module uses DeviceNet protocol. Therefore, it integrates seamlessly with ControlLogix and CompactLogix controllers.
Q3: What power supply does the 1440‑VSE02‑01RA require?
It needs a 24V DC nominal supply. The acceptable range is 18‑30V DC.
Q4: Can the 1440‑VSE02‑01RA output 4‑20 mA signals?
Yes. It provides a dedicated 4‑20 mA output for each channel. This allows easy connection to PLC analog inputs or DCS systems.
Q5: How do I configure alarm levels on the 1440‑VSE02‑01RA?
You configure alarm levels using the DeviceNet network or the front panel DIP switches. The module supports two independent setpoints per channel.











