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Product information
SIMATIC S7-300 digital input SM 321 spare part, part number 6ES7321-1CH00-0AA0, for isolated 16 DI operation with 24-48 V AC/DC and single-point grounding, 1x 40-pole.
Detailed Parameters
Product family:SIMATIC S7-300
Module designation:digital input SM 321
Isolation:isolated
Number of digital inputs:16 DI
Input voltage range:24-48 V AC/DC
Grounding:single-point grounding
Connector type:1x 40-pole
Spare part:spare part
Engineering Context
The digital input SM 321 is intended for SIMATIC S7-300 systems as a spare part for acquiring 16 DI signals.
The SM 321 provides isolated digital inputs for 24-48 V AC/DC operation with single-point grounding.
The module uses a 1x 40-pole connection.
FAQ
1. For which system family is 6ES7321-1CH00-0AA0 intended?
It is for SIMATIC S7-300.
2. What is the module type and designation?
It is a digital input module designated as SM 321.
3. How many digital inputs does the SM 321 provide?
It provides 16 DI.
4. What input voltage range is supported?
It is specified for 24-48 V AC/DC.
5. Does the module use isolated inputs?
Yes, the SM 321 is specified as isolated.
6. What grounding concept is specified for the module?
It is specified with single-point grounding.
7. What is the connector configuration?
It is specified as 1x 40-pole.
