The Allen-Bradley 1203-GD1 (1203GD1) PLC is a remote I/O communication module that belongs to the Series C FRN 4.02 . Made in the United States, this module is a must-have for those in the industrial automation and motion control industry. With its reliable brand and top-notch quality, the Allen-Bradley 1203-GD1 is perfect for PLC input and output modules for connection to  AB and other VFD drives.