Siemens 6ES7 321 1BH01 0AA0 SM 321 Simatic S7 300 Digital Input
Siemens 6ES7 321 1BH01 0AA0 Simatic S7 Digital Input SM 321 which was tested by us and is fully functional.
Specification:
- Product type: Digital input module
- Optically Isolated
- Number of input: 16 Digital input
- Supply voltage: 24 V DC, 20 PIN
- Dimensions (LxWxH), approx : 12cm x 4cm x 12.5