 - Siemens SIMATIC S7-300 6ES7 323-1BH00-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300 SM 323 DIGITAL INPUT/OUTPUT, 8DE 8DA 24V DC; 0.5A Freiberg, Germany
 - Siemens SIMATIC S7-300, digital input SM 321 6ES7321-1BL00-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - needed SIMATIC S7-300, digital input SM 321, isolated 32DE, DC 24V, 1x 40-pin Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7 322-1BH00-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300, DIGITAL OUTPUT SM 322, ISOLATED, 16 DA, DC 24V, 0.5A, 20-PIN Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7321-1BH02-0AA0 (g)- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300, digital input SM 321, isolated, 16 DE, DC 24V, 1x 20-pin Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7307-1KA01-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300 Controlled power supply PS307 Input: AC 120/230 V Output: DC 24 V/10 A Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7 307-1BA01-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300 Controlled power supply PS307 Input: AC 120/230 V Output: DC 24 V/2 A Freiberg, Germany
 - Siemens SIMATIC S7-200 6ES7221-1BF22-0XA0- Manufacturer: Siemens
- Model: Simatic S7-200
 - used SIMATIC S7-200, digital input EM 221, only for S7-22X CPU, 8DE, DC 24V, P/M switching Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7307-1EA01-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300 Controlled power supply PS307 Input: AC 120/230 V Output: DC 24 V/5 A Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7307-1BA00-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300 Controlled power supply PS307 Input: AC 120/230 V Output: DC 24 V/2 A Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7307-1KA02-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300 Controlled power supply PS307 Input: AC 120/230 V Output: DC 24 V/10 A Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7307-1KA00-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300 Controlled power supply PS307 Input: AC 120/230 V Output: DC 24 V/10 A Freiberg, Germany
 - Siemens SIMATIC S7-300, digital input SM 321 6ES7321-1BH02-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - New/ unused SIMATIC S7-300, digital input SM 321, isolated, 16 DE, DC 24V, 1x 20-pin Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7 321-1BH01-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - needed SIMATIC S7-300, digital output SM 322, isolated, 16DA, 24V DC, 0.5A, 1x 20-pin, total current 4A/group (8A/module) Freiberg, Germany
 - Siemens SIMATIC S7-300 6ES7321-1BH01-0AA0- Manufacturer: Siemens
- Model: Simatic S7
 - needed SIMATIC S7-300, digital output SM 322, isolated, 16DA, 24V DC, 0.5A, 1x 20-pin, total current 4A/group (8A/module) Freiberg, Germany
 - Siemens SIMATIC S7-300, CPU 313 Central module with integrated power supply- Manufacturer: Siemens
- Model: Simatic S7
 - used SIMATIC S7-300, CPU 313 Central module with integrated power supply DC 24V, memory 12 KByte 6ES7313-1AD03-0AB0 Freiberg, Germany

