Ordering this product
Check the full part number and required version against your equipment. Add any electrical or connection requirements when contacting us.
Product information
SIMATIC S7-300 SM 321 digital input module, part number 6ES7321-1BP00-0AA0, is specified for isolated inputs in groups of 16 and 64 DI at 24 V DC.
Detailed Parameters
Product type:SIMATIC S7-300 digital input SM 321
Isolated groups:isolated in groups of 16
Channel count:64 DI
Input voltage:24 V DC
Switching time:3 ms
Input type:sinking/sourcing
Required input terminal blocks:6ES7392-1.N00-0AA0
Required cable:6ES7392-4…0-0AA0
Engineering Context
The SM 321 digital input module provides 64 DI with isolated inputs in groups of 16 for SIMATIC S7-300 configurations.
The module is specified for 24 V DC and a 3 ms switching time.
Sinking/sourcing input terminal blocks 6ES7392-1.N00-0AA0 and cable 6ES7392-4…0-0AA0 are required as indicated.
FAQ
1. What module family and function does 6ES7321-1BP00-0AA0 belong to?
6ES7321-1BP00-0AA0 is a SIMATIC S7-300 digital input SM 321.
2. How many digital inputs does SM 321 provide?
It provides 64 DI.
3. What is the input voltage and switching time specified for SM 321?
The module is specified for 24 V DC input voltage and 3 ms.
4. Is the input isolation grouped?
Yes, it is isolated in groups of 16.
5. What input terminal blocks are required for this module?
6ES7392-1.N00-0AA0 are required.
6. What cable is required for this module?
Cable 6ES7392-4…0-0AA0 is required.
