# Change Job Through the PLC

In-Sight Spreadsheet supports changing the job A job is a user-configured program in In-Sight Spreadsheet consisting of functions and designed for specific applications. You can create and edit jobs using the In-Sight Spreadsheet interface, and load them on a vision system for deployment in a live environment. through a PLC A Programmable Logic Controller is a ruggedized computer that you can use for automating processes or even an entire production line. while the job is Offline. You can perform the job swap through PLC commands with the methods and limitations described in the following subsections.