1. General Information

• Manufacturer: Bently Nevada (Baker Hughes)

• Part Number: 146031-01

• Product Name: TDI I/O Module (Transient Data Interface Board)

• Applicable Module: 3500/22M Main Processor Board

• Module Type: Full-height rear I/O termination board

• Application: Provides external physical communication ports for 3500/22M, including Ethernet, USB and system OK relay contact; responsible for data transmission and local configuration.

• Installation Rule: Installed on the rear side of 3500/22M

• Compliance: API 670

2. Interface Definition

• Ethernet Port: 10/100 BASE-TX (RJ45), System 1 & configuration software communication

• USB Port: USB-B interface, local firmware upgrade and debugging

• System Relay Contact: One normally closed dry contact, rack health status output to DCS

• Internal Connector: Gold finger backplane connection for 3500/22M data interaction

3. Electrical Specifications

• Power Supply: Supplied by 3500/22M main board

• Typical Power Consumption: 2.1 W

• Isolation Strength: 1500 VAC isolation between Ethernet and system circuit

• Relay Contact Rating: 30 VDC / 5 A max

• Max Data Transfer Speed: 100 Mbps

4. Environmental Specifications

• Operating Temperature: -30 °C ~ +65 °C (-22 °F ~ +149 °F)

• Storage Temperature: -40 °C ~ +85 °C (-40 °F ~ +185 °F)

• Relative Humidity: 5% ~ 95% (Non-condensing)

• Anti-vibration: Compliant with API 670 industrial vibration standard

5. Mechanical Specifications

• Structure: Rear I/O daughter board for 3500/22M

• Dimensions (H × W × D): 235 × 22 × 25 mm

• Weight: Approximately 0.16 kg

• Mounting: Fixed on back of 3500/22M, non-detachable during normal operation

6. Compatible Devices

7. Key Features

• Integrated Ethernet & USB dual communication interface

• High-speed transient waveform and spectrum data transmission

• Isolated network design for strong anti-interference capability

• System health relay output for remote monitoring

• Standard matching accessory for 3500/22M official configuration

8. Difference between 146031-01 & 136188-02

• 146031-01: For 3500/22M, Ethernet+USB, TDI transient interface board.

• 136188-02: For 3500/92, Ethernet+RS485, Modbus gateway board.

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