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The 3500/60 (133835-01) functions as a high-performance isolated I/O interface specifically engineered for the Bently Nevada 3500 Series Machinery Protection System. This module is tasked with the critical acquisition of...
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The 3500/60 (133835-01) functions as a high-performance isolated I/O interface specifically engineered for the Bently Nevada 3500 Series Machinery Protection System. This module is tasked with the critical acquisition of temperature data from process machinery, providing the necessary galvanic isolation to protect the monitoring system from ground loops and electromagnetic interference commonly found in heavy industrial environments.
By facilitating precise signal conditioning, the 3500/60 (133835-01) converts low-voltage millivolt inputs from thermocouples into digitized temperature data used for alarm triggering and protective tripping. Its robust design ensures that transient noise on the field wiring does not compromise the integrity of the 3500 rack backplane or the accuracy of the radial vibration and thrust measurements managed by adjacent modules.
| Item | Specification |
|---|---|
| Module Type | Isolated Thermocouple Input/Output |
| System Compatibility | Bently Nevada 3500 Monitoring System |
| Input Signal Range | Supports various TC types (Type E, J, K, T, etc.) |
| Common Mode Rejection | High-level isolation for electrical noise mitigation |
| Physical Dimensions | 24.13 cm x 2.54 cm x 11.43 cm |
| Net Weight | 0.46 kg |
| Environmental Rating | Designed for operation in Class I, Division 2 or Zone 2 hazardous areas |
| Operating Humidity | 95% non-condensing relative humidity |
| Isolation Voltage | 500 Vdc channel-to-system isolation |
The 3500/60 (133835-01) is typically deployed in gas turbine exhaust monitoring, motor bearing temperature tracking, and steam turbine casing thermal analysis. It is essential for any rotating machinery application where thermal expansion or overheating could lead to catastrophic mechanical failure.
How does this module differ from the standard non-isolated version?
The 133835-01 provides 500 Vdc of isolation between channels and the monitor, which is vital for preventing signal distortion in plants with poor grounding infrastructure.
Can this I/O module be hot-swapped?
Yes, the 3500 system architecture allows for the replacement of the 3500/60 (133835-01) I/O module while the rack is powered, provided the corresponding monitor is not in an active "Not OK" state.
