The C500-ZL3AT1-EV1.2 part is a Programmable Logic Controller (PLC) manufactured by Omron. It is part of the C500 ZEN family and features a CPU Unit, Main Base Unit, Ethernet Gateway Unit and a PLC Application Software package. It has up to 8 inputs, 8 outputs and 4 analog inputs, Ethernet and Fieldbus protocols (Modbus TCP/IP, DeviceNet and Profibus) and is also equipped with a ZEN Support Compact Plug-In I/O module and SD Memory Card slot. The C500-ZL3AT1-EV1.2 also supports direct temperature control, and can be programmed to control different temperature parameters in different formats. Additionally, the C500-ZL3AT1-EV1.2 part also provides diagnostic and monitoring of the PLC’s operation, and can be interfaced with PC through a USB port.