Bently Nevada 135137-01 Position I/O Module with Internal Terminations

The Bently Nevada 135137-01 is a specialized Position I/O Module designed for the 3500 Machinery Protection System. This specific version features internal terminations, facilitating direct field wiring connections without the need for external terminal blocks. It serves as the primary interface between the 3500/45 Position Monitor and various transducers, translating physical mechanical movement into electronic signals for continuous monitoring and machinery protection.

Primary Functions and Applications

This module is engineered to monitor critical position parameters in rotating machinery. It is commonly deployed in Turbine Supervisory Instrumentation (TSI) systems to track valve position, thrust position, and differential expansion. By providing real-time data to the 3500 rack, it enables the system to trigger alarms or emergency shutdowns when mechanical tolerances exceed safety limits. Its design ensures high-integrity signal transmission even in environments with significant electromagnetic interference.

Technical Characteristics

The 135137-01 is built for high-reliability industrial service. Its internal termination design reduces the overall footprint within the control cabinet and simplifies the installation process. The module supports a variety of transducer types, including Proximitor sensors and Linear Variable Differential Transformers (LVDT).

• System Compatibility: Bently Nevada 3500 Monitoring System
• Termination Style: Internal (Terminal strips located on the module)
• Input Types: LVDT, RVDT, and Proximity Transducers
• Physical Weight: Approximately 0.96 kg
• Dimensions: 2.5 cm x 18.5 cm x 14 cm
• Country of Origin: USA
• Application Environment: Power plants, refineries, and large-scale industrial facilities

Operational Specifications

While the module interfaces with the 3500 rack power supply, it is designed to maintain signal integrity across high-frequency ranges, typically up to 30 kHz for specific transducer types. The robust hardware architecture allows it to operate within the standard temperature ranges required for industrial machinery protection, ensuring that critical safety data remains available during extreme operating conditions.