Siemens PLC and module naming rules
PLC naming
Series identification: such as "S7-1200", "S7-300", the larger the number, the stronger the performance.
Function prefixes: such as "CPU" and "ET200", which respectively represent processors or distributed I/O.
Performance suffix: For example, in "S7-1516-3 PN/DP", "1516" indicates comput...