PLC and HMI Development with Siemens TIA Portal: Develop PLC and HMI programs using standard methods and structured approaches with TIA Portal V17: Bee, Liam: 9781801817226: Amazon.com: Books
Siemens 6ES72221BH320XB0 Module Digital Output SIMATIC S7-1200 SM 1222 16 DO 24V DC: Amazon.com: Industrial & Scientific