Overview
The Bently Nevada 3300/36, also cataloged as the 3300/36 Dual Temperature Monitor Module, operates as a dedicated hardware component for temperature signal processing and alarm monitoring within the Bently Nevada 3300 Machinery Monitoring System.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | Bently Nevada 3300/36 |
| Brand | Bently Nevada |
| Origin | USA |
| Dimensions | 3300 Series rack module format |
| Operating Temp | -20 deg C to +65 deg C |
| Power Consumption | Not specified in available data |
| Module Type | Dual Temperature Monitor Module |
| Number of Channels | 2 independent temperature input channels |
| Input Types | RTD and Thermocouple (TC) |
| Display Type | Front-panel 7-segment LCD display |
| Signal Processing | Microprocessor-based temperature measurement and alarm processing |
| Analog Outputs | 4-20 mA outputs |
| Alarm Functions | Alert and Danger setpoints |
| Relay Configuration | Dual shared relays or quad individual channel relays |
| System Interface | Bently Nevada 3300 rack internal bus and System Data Interface (SDI) |
| Compliance | Designed for API 670 machinery protection applications |
Rotor Temperature Signal Processing and Monitoring
The Bently Nevada 3300/36 processes temperature sensor inputs through dedicated measurement channels and applies configurable alarm logic for machinery protection. It supports RTD and thermocouple signals, while the internal microprocessor stores alarm parameters in non-volatile memory.
Additionally, the module applies temperature channel diagnostics and transducer status monitoring to identify sensor circuit faults. The monitor continuously evaluates input conditions and provides Alert or Danger outputs when measured values exceed configured thresholds.
The module operates within the Bently Nevada 3300 system architecture, where temperature data can be integrated with other machinery protection parameters. Therefore, operators can correlate temperature conditions with vibration and rotor dynamics information from compatible monitoring modules.
Frequently Asked Questions
Q: Does the Bently Nevada 3300/36 support both RTD and thermocouple inputs?
A: Yes. The module accepts temperature measurements from RTD and thermocouple sensors through two independent monitoring channels.
Q: How does the 3300/36 handle temperature alarm conditions?
A: The module compares measured temperature values against digitally configured Alert and Danger setpoints and activates corresponding alarm outputs.
Q: Does the 3300/36 provide sensor fault monitoring?
A: Yes. The transducer OK circuitry monitors field wiring and sensor conditions to detect input circuit faults.
Field Installation Guidelines
- Install the 3300/36 module in the designated slot position of a compatible Bently Nevada 3300 rack.
- Verify temperature sensor wiring polarity and terminal connections before applying system power.
- Use shielded instrumentation cables for thermocouple and RTD signal wiring in electrically noisy environments.
- Connect cable shields according to site grounding practices to reduce electromagnetic interference.
- Keep temperature signal cables separated from high-current power conductors and switching circuits.
- Confirm configured Alert and Danger setpoints before placing the monitoring channel into service.
- Verify LCD display operation and transducer status indication during commissioning.
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