Overview
The CPU 1516TF-3 PN/DP is a Siemens PLC processor, order code 6ES7516-3UN00-0AB0, with a 32 kbyte input and 32 kbyte output process image, one PROFINET port, and an RS-485 interface on X3. The module consumes 24 W and measures 175 mm wide by 147 mm high by 129 mm deep.
Applications
As a Siemens CPU 1516TF-3 PN/DP processor, it serves as the central controller in machine and process automation, coordinating distributed I/O on packaging lines, conveyor systems, and material-handling cells.
Features & function
The 32 kbyte input and output process image accommodates medium-to-large control programs, while the single PROFINET port provides deterministic networking for I/O and programming. Built-in RS-485 and MODBUS TCP support legacy serial devices and third-party equipment integration without additional modules.