The Bently Nevada 3500/60 133811-01, also cataloged as the 3500/60 Temperature Monitor, operates as a dedicated hardware component for multi-channel thermal data acquisition and alarm logic execution within 3500 Machinery Protection System platforms.

Model Identification

• Full Model: 133811-01

• Base Model: 3500/60

• Function: Temperature Monitoring

Hardware Specifications

Rotor Dynamics and Signal Integrity

The 3500/60 module maintains signal fidelity through high-impedance input circuitry designed to interface with standard RTD and thermocouple sensors. To ensure data accuracy in rotating machinery applications, the module performs periodic self-validation of input offsets. Integration with eddy-current probe scaling configurations is possible when thermal data must be correlated with shaft vibration or displacement. Precise gap voltage validation at -10 VDC targets for associated proximity transducers remains a prerequisite for systems where thermal expansion affects mechanical clearances. Cross-talk suppression mechanisms are implemented within the I/O module to mitigate electromagnetic interference in high-density rack configurations.

## Ordering info

• 3500/60 Temperature Monitor (133811-01)

• Internal or external termination I/O module

• Documentation package

• Installation hardware kit

Field Installation Guidelines

• Rack Installation: Ensure the module is properly keyed and seated within the 3500 rack backplane before applying power.

• Grounding: Terminate cable shields at the designated chassis ground stud on the I/O module to prevent ground loops.

• Signal Wiring: Separate thermal sensor wiring from high-voltage AC lines to maintain signal noise immunity.

• Hot-Swap: The module supports live removal and insertion; verify that the Rack Interface Module (RIM) identifies the module status upon successful boot.

• Sensor Configuration: Match the sensor type (e.g., Pt100, Cu10, Type K) within the 3500 configuration software to prevent measurement errors.

Frequently Asked Questions

• Does the 133811-01 support hot-swapping?

  Yes, the module is designed for hot-swap operations within an active 3500 rack without requiring system-wide shutdown.

• Can I mix different sensor types on the same I/O module?

  Channel-level configuration is available; however, ensure the I/O module hardware supports the specific sensor types required by the application.

• What is the maximum number of channels per module?

  The 3500/60 module supports up to six independent channels for temperature input monitoring.

• Does this module require an external power supply?

  No, all operational power is sourced from the 3500 rack backplane.

• How does the module communicate with the host system?

  Data is transmitted via the backplane to the Rack Interface Module (RIM) for external Ethernet or Modbus communication.

• Are the alarm setpoints configurable in the field?

  Setpoints are configured via the 3500 Rack Configuration Software connected to the Rack Interface Module.

• What are the physical dimensions of the module?

  The module conforms to the standard 3500 series form factor, measuring 2.5 cm by 25 cm by 24 cm.

• Can this module be used in SIL-rated applications?

  Review the specific safety manual for the 3500 system to confirm the SIL rating compliance for temperature monitoring configurations.