Overview
The Bently Nevada 3300/35-12-01-01-00-00, also cataloged as the 3300/35 Six-Channel Temperature Monitor, operates as a dedicated hardware component for temperature signal acquisition within the Bently Nevada 3300 Machinery Protection System. It processes six independent temperature inputs from Type K thermocouples and provides alarm monitoring functions for rotating machinery protection circuits.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | Bently Nevada 3300/35-12-01-01-00-00 |
| Brand | Bently Nevada |
| Product Type | Six-Channel Temperature Monitor |
| System Platform | Bently Nevada 3300 Machinery Protection System |
| Origin | USA |
| Dimensions | Rack-mounted 3300 series module format |
| Operating Temp | Not specified in available documentation |
| Power Consumption | 3300 rack backplane power supply required; value not specified |
| Input Channels | 6 independent temperature channels |
| Sensor Input Type | Type K Thermocouple |
| Temperature Range | 0 to 150 deg C |
| Alarm Function | Independent Alert and Danger setpoints per channel |
| Relay Output | Epoxy-sealed relay outputs |
| Installation Method | Standard 3300 rack installation |
Rotor Temperature Signal Monitoring and Protection Functions
The 3300/35 monitor receives temperature signals from Type K thermocouple sensors and converts these inputs into monitored temperature values within the 3300 rack architecture. In addition, each channel supports independent alarm threshold configuration for machine condition assessment.
The module applies temperature monitoring logic for bearing, casing, and mechanical component temperature measurement. Furthermore, the temperature input circuits support stable signal processing for continuous machinery monitoring applications.
For Bently Nevada mechanical monitoring systems, temperature channels operate alongside vibration and displacement monitoring modules to provide combined machine condition data. The 3300/35 configuration does not use eddy-current probe scaling; however, it integrates with the same rack-level protection environment used for rotor dynamics monitoring and machinery protection analysis.
Frequently Asked Questions
Q: Does the Bently Nevada 3300/35-12-01-01-00-00 support RTD inputs?
A: No. This configuration uses Type K thermocouple inputs according to the 01 transducer input option.
Q: Can the 3300/35-12-01-01-00-00 operate as a standalone device?
A: No. The module requires installation in a Bently Nevada 3300 rack system with compatible rack power and interface components.
Q: Does the module provide independent alarm settings for each temperature channel?
A: Yes. Each of the six channels provides independent Alert and Danger alarm setpoint functions.
Field Installation Guidelines
Install the module in the designated slot position of a compatible Bently Nevada 3300 rack following rack configuration requirements.
Use shielded thermocouple wiring and route sensor cables separately from high-current power conductors to reduce electrical interference. Connect cable shields according to the plant grounding standard and avoid multiple grounding points that can create signal loops.
Verify thermocouple polarity before energizing the rack. Confirm sensor input wiring, channel configuration, and alarm parameters through the system interface before placing the monitoring channel into service.
Maintain proper rack ventilation and ensure that adjacent modules do not obstruct airflow around the chassis.
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