Bently Nevada 3500/60 Temperature Monitor PWA: 163179-01G

Product Parameters

• Model Number: 3500/60 (PWA 163179-01G)
• Manufacturer: Bently Nevada (Baker Hughes)
• System Series: 3500 Machinery Protection System
• Input Type: Resistance Temperature Detectors (RTDs) and Thermocouples (TCs)
• Channels: 6 Channels per module
• Isolation: 500 Vdc (Channel-to-channel and channel-to-backplane)
• Update Rate: < 1 second for all 6 channels
• Accuracy: ±1.0°C (Typical for RTDs and standard TCs)

Product Description The PWA 163179-01G is the main circuit board assembly for the Bently Nevada 3500/60 Temperature Monitor. This module is designed to provide continuous, high-accuracy temperature monitoring of critical machinery components. It accepts inputs from a variety of temperature sensors and compares them against programmable alarm setpoints. The 3500/60 is specifically engineered to protect assets by detecting thermal anomalies in bearings, stator windings, and lubrication systems. The “G” revision indicates a specific hardware iteration optimized for improved signal stability and noise rejection in high-interference industrial environments.

Product Applications This temperature monitor is a staple in power plants, oil refineries, and large industrial facilities. It is primarily used to monitor the radial and thrust bearing temperatures in large rotating equipment such as steam turbines, centrifugal compressors, and high-capacity electric motors. By integrating temperature data with vibration data in the 3500 rack, operators can perform a more comprehensive assessment of machine health, identifying issues like bearing wear or lubrication failure before they lead to catastrophic breakdowns.

Product Specifications

• Weight: 0.82 kg
• Dimensions: 24.1 cm x 2.4 cm x 10.3 cm
• Country of Origin: United States (USA)
• Operating Temperature: -30°C to +65°C
• Humidity: 95% Non-condensing

Operational Precautions

• I/O Module Matching: Ensure the PWA 163179-01G is paired with the correct 3500/60 I/O module (RTD/TC or isolated/non-isolated) to prevent signal mismatch or hardware damage.
• Sensor Configuration: Use the 3500 Rack Configuration Software to correctly specify the sensor type (e.g., Pt100, Type K, Type J) for each channel; incorrect settings will result in significant measurement errors.
• Cold Junction Compensation: For thermocouple applications, ensure the I/O module is installed in a stable thermal environment to maintain the accuracy of the internal cold junction compensation.
• Shielding and Grounding: Temperature sensor leads should be shielded and grounded only at the 3500 rack end to prevent ground loops and minimize electromagnetic interference from nearby power cables.

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