Siemens Simatic S7-300 Series PLC 6ES70316EB872DA0

The S7-300 6ES70316EB872DA0 has a modular design. You can set up your own individual system by combining components from a comprehensive range of S7-300 modules.
The range of modules includes the following components:
CPUs for various performance ranges
Signal modules for digital and analog input/output (see Module Specifications Reference Manual)
Function modules for technological functions (see the function module manual for a description).
CP communication processors (see the communication processor manual for a description)
Load power supply modules for connecting the S7-300 to 120/230 V AC power supplies (see Module Specifications Reference Manual)
Interface modules for the interconnection of racks in multi-rack installations (see Module Specifications Reference Manual)
All of the S7-300 modules are contained in housings protected to IP 20, i.e. they
are encapsulated and can be operated without a fan.