3A99184G DIR 1C31170G PCB Module for Industrial Control Systems

Product Overview

The 3A99184G DIR 1C31170G is a printed circuit board module designed for use in industrial control and automation systems. This board, identified with revision 10 and flammability rating 94V-0, integrates a variety of electronic components to perform signal conditioning, logic processing, or communication functions within a larger control chassis. The exact configuration may vary, but typically such boards are used as I/O interface, controller, or power supply modules in systems from manufacturers such as GE, Emerson, or other industrial OEMs. The 1C31170G02 is a variant of this board, and it is built to withstand the electrical and environmental demands of factory floors.

Key Features of 1C31170G PCB

The board is constructed on a high-quality FR-4 substrate with UL 94V-0 flame retardant rating, ensuring safety in electrical enclosures. It features through-hole and surface-mount components, including integrated circuits, capacitors, resistors, and connectors for ribbon cables or edge connections. The board is designed for operation in a temperature range of 0 to 60°C and humidity up to 95% non-condensing. It includes test points and diagnostic LEDs (where populated) to assist in troubleshooting.

The 1C31170G likely serves as an analog or digital I/O board, a motion control interface, or a communication adapter depending on the firmware and component population. The board is conformally coated to protect against dust and moisture. It operates from a 24 V DC or 5 V DC supply derived from a backplane or external source. The board is typically mounted in a card cage or DIN rail enclosure with edge connectors or terminal blocks. The revision 10 indicates production improvements over earlier versions.

Technical Specifications

• Manufacturer: GE / Industrial OEM

• Part Numbers: 3A99184G, 1C31170G, 1C31170G02

• Revision: 10

• Product Type: Printed Circuit Board Module

• Flammability Rating: UL 94V-0

• Substrate: FR-4 epoxy glass

• Component Technology: Through-hole and SMT

• Operating Voltage: 24 V DC or 5 V DC (check pinout)

• Current Consumption: Dependent on configuration

• Input/Output Type: Likely digital or analog I/O

• Connectors: Edge connector (96-pin Eurocard) or terminal headers

• Diagnostic LEDs: Optional

• Conformal Coating: Yes (typical for industrial boards)

• Operating Temperature: 0 to +60 °C

• Storage Temperature: -40 to +85 °C

• Relative Humidity: 5% to 95% non-condensing

• Dimensions: Eurocard 100mm x 160mm typical

• Certifications: CE, UL (depending on final system)

Functional Description

The 1C31170G PCB processes input signals from sensors or field devices, performs logic or analog-to-digital conversion, and communicates results to a main controller via a backplane bus. Outputs may drive relays, solenoids, or indicators. The board likely includes microcontrollers or FPGAs to handle specific tasks such as PID loop control, motion profiling, or high-speed counting. The test points allow engineers to verify power rails and signal levels using an oscilloscope or multimeter. The board is intended to be installed in a system with forced-air cooling, but can operate in still air with sufficient clearance.

Applications

This PCB is used as a replacement part in industrial control systems, particularly in legacy automation equipment from GE Fanuc, Emerson, or similar brands. It may be found in machine tool controllers, packaging machinery, and process control racks.