Siemens Simatic S7 200 EM 222 DO 8xDC24V

6ES7 222-1BF00-0XA0

Siemens Simatic S7 200 RS232-PPI Serial Cable

6ES7 291-8BA00-0XA0

Siemens Simatic S7 200 BC291 Battery Cartridge

6ES7 901-3BF00-0XA0