Allen-Bradley Compact GuardLogix 5370 Integgrated Safety Controller with USB, dual Ethernet ports, CIP motion 4 Axis, 1GB SD Memory Card, including power supply 1769-PB2.PLC was never used in the machine, it was a programming toy. Manufactured in Singapore, this PLC processor module is a high-quality product built to last. With a unit quantity of one, this module is perfect for those who need a single unit.