1444-DYN04-01RA
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Overview of Allen Bradley 1444-DYN04-01RA
The Allen Bradley 1444-DYN04-01RA is a dynamic measurement module designed for industrial machinery condition monitoring and protection. It features four dynamic input channels capable of measuring vibration, pressure, and position parameters such as thrust, eccentricity, and rod drop. This module excels in monitoring vital machine conditions including shaft vibration, casing vibration, pedestal vibration, and casing expansion on rotating or reciprocating equipment. Engineered with flexible firmware and a multi-processor hardware platform, it integrates seamlessly with Logix 5000 controllers over industrial Ethernet networks. This integration makes the 1444-DYN04-01RA an essential component for comprehensive facility control and information management systems in industrial environments.Key Features of Allen Bradley 1444-DYN04-01RA
- Four channels for dynamic and static input measurement including vibration and pressure
- Supports measurements of shaft, casing, and pedestal vibration for machine health monitoring
- Monitors critical position parameters like shaft and rod position, casing expansion, thrust, and eccentricity
- Integration with Allen-Bradley Logix 5000 controllers via EtherNet/IP
- Flexible firmware combined with a powerful multi-processor architecture
- Includes two TTL speed inputs for synchronous or asynchronous dynamic measurements
- One relay output for control or alarm signaling
- Mounts on 1444-TB-A terminal base for easy installation
- Meets multiple industrial standards including CE, UL, C-UL-US, RCM, KC, ATEX, and IECEx certifications
Technical Specs of 1444-DYN04-01RA
| Specification | Details |
|---|---|
| Number of Channels | 4 dynamic input channels |
| Inputs Supported | Vibration, pressure, thrust, eccentricity, rod drop, shaft/rod position |
| Speed Inputs | 2 TTL speed inputs |
| Control Outputs | 1 SPDT relay, optional 4 SPDT relays (RELX) |
| Power Supply | 18 to 32 VDC, 411 mA typical |
| Communications | EtherNet/IP (Dual port, Device Level Ring support) |
| Operating Temperature | -25 °C to 70 °C |
| Weight | 400 g (without terminal base), 592 g (with terminal base) |
| Mounting | 1444-TB-A Terminal Base |
| Certifications | CE, UL, C-UL-US, RCM, KC, ATEX, IECEx |
Applications / Use Case
The Allen Bradley 1444-DYN04-01RA module is ideal for continuous condition monitoring and protection of industrial rotating and reciprocating machinery. It is widely used in applications involving pumps, motors, gearboxes, compressors, and turbines. Its precise measurement of vibration and position data enables early detection of mechanical faults such as imbalance, misalignment, and bearing wear. This proactive monitoring helps prevent costly downtime and catastrophic failures. The module integrates with automation systems in industries like oil and gas, power generation, chemical processing, and manufacturing, supporting real-time diagnostics and control for plant reliability and safety.Related Resources
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