Description
Real-World Use & Application Scenarios
In industrial sectors where machine health and safety monitoring are critical—such as power generation, oil and gas, manufacturing, and heavy machinery—the Allen-Bradley 1440-DYN02-01RJ module plays a pivotal role. It is used to monitor dynamic signals like vibration, pressure, and strain from rotating equipment, providing early detection of mechanical faults before catastrophic failures occur. This capability helps reduce unplanned downtime and maintenance costs while enhancing operational safety.
The module supports measurements of shaft, casing, and pedestal vibration, along with other dynamic process parameters. It’s applicable where continuous condition monitoring integrates with safety instrumented systems to proactively manage risk and maintain compliance with regulatory standards. The 1440-DYN02-01RJ efficiently captures high-resolution sensor data for real-time analysis, enabling predictive maintenance and improved asset management strategies in complex industrial environments.
Product Introduction & Positioning
The Allen-Bradley 1440-DYN02-01RJ is part of the XM series of distributed protection devices designed to extend the ControlLogix platform’s capabilities into condition monitoring. This two-channel dynamic measurement module connects via the 1440-ACNR ControlNet adapter and mounts on the 1440-TBS-J terminal base, forming a modular and scalable monitoring solution.
- 1440-DYN02-01RJ
- 1440-DYN02-01RJ
It processes input signals from IEPE accelerometers, eddy current probes, voltage transducers, and strain gauges, providing configurable alarm and danger set points, speed inhibition, and hysteresis control. Engineers trust this module for its 24-bit A/D conversion accuracy, robust diagnostics, and fail-safe relay outputs, making it indispensable for integrating machinery protection with overall plant safety systems.
Key Technical Features & Functional Benefits
The 1440-DYN02-01RJ processes two dynamic input channels with support for multiple sensor types, including IEPE accelerometers and voltage output sensors, with programmable voltage ranges (-20 to +20 V). It features 24-bit A/D conversion for precise measurement resolution and a dynamic range exceeding 80 dB full scale, supporting accurate vibration and strain analysis.
The module includes a single onboard relay with DPDT contacts rated for up to 120V AC/DC and 3.5A, and supports expansion via XM-441 relay modules for additional alarm outputs. Its user-configurable alarms and operator set points allow detailed condition thresholds and hysteresis settings. The speed range for alarm enablement spans 4 to 1000 Hz, accommodating typical industrial rotating equipment speeds.
Designed for reliability in harsh environments, it operates across a temperature range of -40°C to 85°C and relative humidity of 5–95% non-condensing. Certifications include UL, CUL, ATEX, IECEx, and various EMC standards ensuring global compliance for use in explosive atmospheres and industrial installations.
Detailed Technical Specifications
Parameter | Value |
---|---|
Model | 1440-DYN02-01RJ |
Brand | Allen-Bradley |
Product Type | Two-Channel Dynamic Measurement Module |
Input Channels | 2 |
Supported Sensors | IEPE accelerometers, eddy current probes, voltage transducers, strain |
A/D Resolution | 24 bits |
Voltage Input Range | -20 to +20 V |
Alarm Outputs | 1 DPDT relay onboard; expandable |
Relay Contact Rating | 120V AC/DC, 3.5A |
Frequency Range | 4 to 1000 Hz |
Operating Temperature Range | -40°C to +85°C |
Relative Humidity | 5 to 95% non-condensing |
Interface | XM-Net via 1440-ACNR ControlNet adapter |
Module Dimensions (H x W x D) | Approx. 97 x 94 x 94 mm |
Certifications | UL, CUL, ATEX, IECEx, EMC standards |
Related Modules or Compatible Units
Allen-Bradley 1440-ACNR – ControlNet adapter module required for system communication.
Allen-Bradley 1440-TBS-J – Terminal base for mounting XM modules including the DYN02.
Allen-Bradley XM-441 – Expansion relay module providing additional alarm outputs.
Allen-Bradley 1440-1211 – Vibration sensor accelerometer compatible with XM modules.
Allen-Bradley 1440-MPA01 – Power supply module supplying XM modules.
Installation Notes & Maintenance Best Practices
The 1440-DYN02-01RJ must be installed on the 1440-TBS-J terminal base connected to the ControlNet network via the 1440-ACNR adapter. Installation requires ensuring proper wiring to sensors with attention to shielding and grounding to reduce electrical noise. Adequate cabinet ventilation and ambient temperature control are essential for reliable operation.
Regular maintenance involves monitoring relay status and diagnostic LEDs, verifying sensor signal quality, and confirming alarm settings via the programming interface. Firmware updates should be applied to maintain compatibility and security. Periodic calibration and integrity checks of sensors and connections help prevent downtime and sustain accurate condition monitoring.