SIEMENS PLC PROGRAMMING FOR BEGINNERS - Kindle edition by Glover, Josha . Children Kindle eBooks @ Amazon.com.
6ES7221-1BH32-0XB0 | SIEMENS SIMATIC S7-1200, Digital Input SM 1221, 16 DI, 24 V DC, Sink/Source: Amazon.com: Industrial & Scientific
Siemens 6EP1332-4BA00 SIMATIC PM 1507 24 V/3 A stabilized power supply for SIMATIC S7-1500 input: 120/230 V AC output: 24 V DC/3 A: Amazon.com: Industrial & Scientific
Amazon.com: Siemens 6ES7 212-1AE40-0XB0 SIMATIC S7-1200, CPU 1212C, COMPACT CPU, DC/DC/DC, ONBOARD I/O: 8 DI 24V DC; 6 DO 24 V DC; 2 AI 0-10V DC, POWER SUPPLY: DC 20.4-28.8 V DC,
SIEMENS 6ES7131-4BF00-0AA0 Input Module, ELEKTRON, ET200S, Digital, 8POINT, 24VDC, 15MM Width, 1 Unit PER Package: Amazon.com: Industrial & Scientific