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Product information
SIMATIC S7-300 SM 321 digital input module (part number 6ES7321-1BH02-0AA0) provides isolated digital input functionality with 16 DI for 24 V DC systems; spare part noted.
Detailed Parameters
Product family:SIMATIC S7-300
Module:digital input SM 321
Input type:isolated
Input channels:16 DI
Input voltage:24 V DC
Connection:1x 20-pole
Spare part:spare part
Engineering Context
The SM 321 digital input module is part of the SIMATIC S7-300 system.
The module provides isolated digital input signals with 16 DI for 24 V DC.
The module is configured with a 1x 20-pole connection.
FAQ
1. What system family does 6ES7321-1BH02-0AA0 belong to?
It belongs to SIMATIC S7-300.
2. What is the function/designation of 6ES7321-1BH02-0AA0?
It is a digital input module SM 321.
3. How many digital input channels are supported?
16 DI.
4. What input voltage is specified?
24 V DC.
5. Is the input isolated?
Yes, it is specified as isolated.
6. What connection format is specified?
1x 20-pole.
