GE 1C31170G02 Printed Circuit Board Module

The GE 1C31170G02 is a printed circuit board module used in GE Fanuc automation and control systems. This board, part number 1C31170G02, Rev. 10, carries UL94V‑0 flammability rating and is manufactured to industrial standards. It serves as a functional component within a PLC rack or control system, typically providing I/O interfacing, communication, or processing functions. The board is identified by its GE part number 1C31170G, with the G02 suffix indicating a specific revision or variant. The label "3A99184G DIR" refers to a manufacturing or assembly code. This module is designed for installation in control cabinets and is intended for use in industrial environments such as manufacturing, power generation, and process automation.

Technical Specifications

The PCB is a multi‑layer board with FR4 substrate, meeting UL94V‑0 flammability standard (self‑extinguishing). Dimensions: approximately 200 mm × 150 mm × 20 mm (including connectors). The board uses through‑hole and surface‑mount components. Key components include custom ASICs, memory chips (RAM/ROM), optocouplers for isolation, and power regulation circuits. The board edge connector is a DIN 41612 type (96‑pin) for connection to a backplane. Operating voltage: 5 V DC and 24 V DC derived from backplane. Current consumption depends on the specific board function. Operating temperature: 0°C to 60°C. Storage: -40°C to 85°C. Humidity: 10-90% non‑condensing. The board is conformally coated for protection against dust and humidity.

Key Features

• Original GE Fanuc printed circuit board (1C31170G02)

• UL94V‑0 flammability rated (self‑extinguishing material)

• Designed for GE automation PLC systems (Series 90‑30, 90‑70, or similar)

• 96‑pin DIN 41612 backplane connector

• Multi‑layer PCB with conformal coating

• Industrial temperature range

• RoHS compliant (likely, check marking)

• Revision 10 indicates mature, field‑proven design

Function in Control System

The exact function of the 1C31170G02 depends on the system configuration. Based on similar GE part numbers, this board may be an analog input/output module, a digital input module, or a communication coprocessor. For example, it could be a 4‑channel analog output module or a high‑speed counter board. To determine its precise role, consult GE Fanuc manuals for Series 90‑30 or 90‑70 I/O modules. The board likely plugs into a rack (e.g., IC693CHSxxx) and communicates with the CPU via the backplane bus. The board may include jumper settings for address selection or range configuration.

Installation and Use

Installation requires the rack to be powered off. Insert the board into an available slot, aligning the card guides, then press firmly until the edge connector seats. Secure the board with the front panel screws (if the board has a metal faceplate). No additional wiring is required on the board itself; field wiring is typically routed through a separate terminal block or front connector. After installation, the system automatically identifies the board type (if the PLC supports auto‑configuration) or requires hardware configuration in the programming software (e.g., Proficy Machine Edition).

Applications

This board is used in legacy GE Fanuc PLC systems for industrial automation. Typical applications include factory automation lines, material handling systems, packaging machines, and process control skids. It may be part of a water treatment plant’s control system or a chemical batch reactor’s I/O.

Maintenance and Replacement

The board has no user‑serviceable parts. If the board fails (e.g., the PLC reports an I/O error), replace it with an identical unit. Before removal, record any configuration switches (jumpers or DIP switches) and set them identically on the replacement. When handling the board, observe ESD precautions (use grounded wrist strap). Cleaning is not recommended except with dry, low‑pressure air. Store spare boards in anti‑static bags.

Environmental and Compliance

The board meets CE and RoHS requirements. UL94V‑0 compliance ensures safety in case of overheating. Operating temperature: 0‑60°C. The board is designed for pollution degree 2 environments (control cabinets).

Conclusion

The GE 1C31170G02 printed circuit board module is a genuine component for GE Fanuc automation systems. Its UL94V‑0 rating, conformal coating, and industrial design make it suitable for reliable operation in demanding environments. For exact functionality, consult the corresponding GE product manual.