General Electric is a leader in automation technology as well many other areas. General Electric manufactured the 531X139APMATG2 for industrial use. The 531X139APMATG2 is labeled as an application board. The 531X139APMATG2 uses rainbow colored wiring harnesses to connect to the existing system. The 531X139APMATG2 has many small silicon chips. These chips are their own little circuits boards that have a cover. Their purpose is to contain all the information and data that is necessary for the 531X139APMATG2 to perform its duty.