6-Channel RTD / Thermocouple Temperature Acquisition Module
This module provides 6-channel temperature acquisition for RTD and thermocouple sensors. It adopts a non-isolated design, with each channel independently processed and equipped with a corresponding recorder output.
The module supports alarm and shutdown triggering, enabling its use in critical equipment protection and monitoring applications.

Sensor Compatibility
Supports a wide range of temperature sensors, with mixed configuration across channels:

RTD: Pt100, Pt1000

Thermocouples: J, K, T, E, R, S, B, N

Channel Characteristics

Number of channels: 6

Channel isolation: None (non-isolated, no inter-channel isolation)

Input impedance: ≥ 10 MΩ

Recorder Outputs

Output type: 4–20 mA

Number of outputs: 6 channels

Output mapping: Each 4–20 mA signal corresponds directly to the measured value of its respective temperature channel

Environmental Specifications

Operating temperature: −30 °C to +65 °C

Relative humidity: 5% to 95% (non-condensing)

Power Supply

Module power supply: 24 VDC (±10%)

Sensor power supply: Configurable as required

Application Scenarios
This module is suitable for temperature monitoring of bearings, windings, and process media in rotating and stationary equipment, including:

Steam turbines

Compressors

Generators

It is widely applied in power generation, petrochemical, and chemical industries. When integrated into the 3500 framework and used alongside other protection and monitoring modules, it forms a complete and highly reliable equipment protection system.

Bently Nevada 3500/61 133819-02｜RTD/TC Non-Isolated I/O Module｜