Siemens S7-300 PLC, input and output wiring, sample programming using TIA Portal V16. For manual, related videos and part numbers please see below.
S7-300 CPU 31xC and CPU 31x Technical specifications / Wiring Manual: https://cache.industry.siemens.com/dl/files/906/12996906/att_70325/v1/s7300_cpu_31xc_and_cp
S7-300 Module data/Wiring manual: https://cache.industry.siemens.com/dl/files/629/8859629/att_55794/v1/s7300_module_data_manual_en-US_en-US.pdf
S7-300 Automation System, Hardware and Installation manual: https://cache.industry.siemens.com/dl/files/415/15390415/att_41918/v1/S7-300_IHB_e.pdf
Siemens Industry Mall: https://mall.industry.siemens.com/goos/WelcomePage.aspx?regionUrl=/uk&language=en
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