Overview
Configured for six-channel temperature measurement in Bently Nevada 3300 Series monitoring systems, the Bently Nevada 84933-02 (84933-02 6-Channel Temperature Monitor) accepts temperature sensor inputs and processes thermal measurements for machinery protection functions. The module supports temperature surveillance of bearings, windings, and process fluids.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 84933-02 |
| Brand | Bently Nevada |
| Product Type | 6-Channel Temperature Monitor |
| System Compatibility | Bently Nevada 3300 Series monitoring systems |
| Associated Module Framework | 3300/35 |
| Number of Channels | 6 independent channels |
| Input Signal Types | RTDs and thermocouples |
| Alarm Functions | Alert and Danger setpoints |
| Operating Temp | -30 deg C to +65 deg C |
| Application | Machinery temperature monitoring |
Temperature Monitoring and Machinery Protection
The 84933-02 processes temperature inputs from six independent measurement channels. The connected sensors provide thermal information from machinery points such as bearings, motor windings, and fluid circuits.
The monitor compares measured temperature conditions with configured Alert and Danger thresholds. These threshold states can then support the machinery protection logic implemented by the associated monitoring system.
For rotating equipment, temperature data can complement other machinery measurements used to evaluate operating conditions and rotor dynamics. The 84933-02 itself is a temperature-monitoring module and should not be treated as an eddy-current displacement monitor.
Frequently Asked Questions
Q: How many temperature channels does the 84933-02 provide?
A: The supplied data identifies six independent temperature monitoring channels.
Q: What sensor types are specified for the 84933-02?
A: The supplied data identifies RTDs and thermocouples as compatible temperature input types.
Q: Does the supplied data specify the module power consumption?
A: No. The supplied information does not provide a verified power-consumption value. The installed system documentation should be used for rack loading and power calculations.
Field Installation Guidelines
Install the module only in a compatible Bently Nevada 3300 Series rack and according to the applicable system documentation.
Route temperature sensor wiring separately from high-voltage power conductors and high-current switching circuits where practical. Maintain appropriate separation to reduce electrical interference.
Use sensor wiring and termination hardware compatible with the selected RTD or thermocouple type. Observe the required polarity for thermocouple connections.
Connect cable shields according to the installed system grounding scheme. Avoid creating unintended ground loops through multiple shield termination points.
Before commissioning, verify each channel against the installed sensor identification and configured Alert and Danger thresholds. Confirm that the measured channel assignment corresponds to the physical machinery location.
Do not use unspecified module dimensions, rack current requirements, or environmental limits for installation calculations. Refer to the applicable Bently Nevada system manual for those values.
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