6ES7223-1PL32-0XB0 Siemens | Siemens SM 1223 Series PLC I/O Module for Use with SIMATIC S7-1200 Series, Digital, Digital | 787-7961 | RS Components
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Amazon.com: Siemens ST70-1200 – Digital Module SM 1223 8 Input 8 Output Transistor 0.5A : Industrial & Scientific
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