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S7-1200 Digital Modules
Siemens S7-1200 Digital Input/ Output Modules permit connection of the controller to digital signals of the process and the output of digital signals from the controller to the process. This provides users with optimum adaption; signal modules can be mixed as desired, users can adapt their controllers exactly to the relevant task. This avoids superfluous investments. Modules with 8, 16 and 32 input/output channels are available. If the task is expanded subsequently, the controller can be upgraded. Updating of the user program is extremely simple.
S7-1200 Digital modules are available in three ranges, the SM1221 Input Expansion Module, the SM1222 Output Expansion Module or the SM1223 Input/Output Expansion Module.
S7-1200 Digital modules are available in three ranges, the SM1221 Input Expansion Module, the SM1222 Output Expansion Module or the SM1223 Input/Output Expansion Module.
