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Product information
SIMATIC S7-300 digital input SM 321 (part number 6ES7321-1FF01-0AA0) provides isolated digital inputs with 8 DI and is provided as a spare part with 1x 20-pole.
Detailed Parameters
Product family:SIMATIC S7-300
Module:digital input SM 321
Isolation:isolated
Number of digital inputs:8 DI
Input voltage:120 V/230 V AC
Connector type:1x 20-pole
Spare part:spare part
Engineering Context
SM 321 is a SIMATIC S7-300 digital input module intended for isolated digital input signals.
The module supports 8 DI and is specified for 120 V/230 V AC input voltage.
The module is configured with 1x 20-pole connection.
FAQ
1. What system family does 6ES7321-1FF01-0AA0 belong to?
It belongs to SIMATIC S7-300.
2. What is the function of SM 321 for 6ES7321-1FF01-0AA0?
It is a digital input module (SM 321).
3. How many digital inputs are supported?
The module provides 8 DI.
4. Is the digital input isolated?
Yes, it is isolated.
5. What input voltage range is specified?
The input voltage is 120 V/230 V AC.
6. What connector/pole configuration is specified?
It is specified as 1x 20-pole.
