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Amazon.com: Siemens 6ES7322-1BL00-0AA0 Simatic S7-300 Digital Output Module SM 322, Optically Isolated, 32DO, 24VDC, 0.5A, 1 x 40 Pin : Industrial & Scientific
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6es7322-1hh01-0aa0 Compatible 6es7 322-1hh01-0aa0 S7-300 Digital Output Module Sm322 16 Do Relay 2 Year Warranty - Motor Controller - AliExpress
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