Home /
Siemens SIMATIC S7-300 /
6ES7321-1FH00-0AA0
6ES7321-1FH00-0AA0 Siemens Siemens SIMATIC S7-300: SM 321 digital input, 16 points, 120/230V AC
Production ended Oct 2025
Digital input
Identification
- Part number6ES7321-1FH00-0AA0
- ManufacturerSiemens
- FamilySiemens SIMATIC S7-300
- LifecycleProduction ended Oct 2025
Keep running, or migrate?
Siemens' recommended path is S7-1500 with the TIA Portal migration tools. OEM spares officially available until 2033, with price increases already announced.
More Siemens SIMATIC S7-300 parts
see the family
6ES7331-7NF00-0AB0
SM 331 analog input, 8 channels, 16-bit
Siemens · Siemens SIMATIC S7-300
Request it, sellers quote
6ES7322-1HH01-0AA0
SM 322 relay output, 16 points
Siemens · Siemens SIMATIC S7-300
Request it, sellers quote
6ES7953-8LM31-0AA0
Micro memory card, 4MB
Siemens · Siemens SIMATIC S7-300
Request it, sellers quote
6ES7315-2EH14-0AB0
CPU 315-2 PN/DP, 384KB work memory
Siemens · Siemens SIMATIC S7-300
Request it, sellers quote
6ES7307-1BA01-0AA0
PS 307 power supply, 2A
Siemens · Siemens SIMATIC S7-300
Request it, sellers quote
6ES7322-1BH01-0AA0
SM 322 digital output, 16 points, 24V DC
Siemens · Siemens SIMATIC S7-300
Request it, sellers quote