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Product information
SIMATIC S7-300 digital input module SM 321, isolated, 16 DI, 48-125 V DC, 1x 20-pole (spare part) for part number 6ES7321-1CH20-0AA0.
Detailed Parameters
Product:SIMATIC S7-300
Module type:digital input SM 321
Isolation:isolated
Input channels:16 DI
Input voltage range:48-125 V DC
Connection:1x 20-pole
Spare part:Yes
Engineering Context
The SM 321 is a SIMATIC S7-300 digital input module provided as a spare part.
Use the isolated SM 321 configuration for 16 DI signals in the 48-125 V DC range.
The module is configured with 1x 20-pole connection for integrating digital inputs.
FAQ
1. What system and module family does 6ES7321-1CH20-0AA0 belong to?
6ES7321-1CH20-0AA0 is a SIMATIC S7-300 digital input SM 321 spare part.
2. How many digital inputs are supported by SM 321 for this part number?
It provides 16 DI.
3. What input voltage range is specified for this digital input module?
The specified input voltage range is 48-125 V DC.
4. Is the SM 321 isolated for this part number?
Yes, the module is specified as isolated.
5. What connection format is specified?
It is specified as 1x 20-pole.
