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Product information
SIMATIC S7-300 SM 321 digital input module, spare part, part number 6ES7321-1FH00-0AA0, provides isolated 16 DI inputs for 120/230 V AC with 1x 20-pole.
Detailed Parameters
Product family:SIMATIC S7-300
Module type:digital input
Module designation:SM 321
Isolation:isolated
Input channels:16 DI
Input voltage:120/230 V AC
Connector type:1x 20-pole
Spare part:*** spare part ***
Engineering Context
The SIMATIC S7-300 SM 321 provides isolated digital input signals with 16 DI for 120/230 V AC.
The module is designed as a digital input unit within the SIMATIC S7-300 system configuration.
Use the specified connector configuration of 1x 20-pole for wiring of the SM 321 digital input module.
FAQ
1. What system family does part 6ES7321-1FH00-0AA0 belong to?
It belongs to SIMATIC S7-300.
2. Which module designation is used for this digital input module?
The module designation is SM 321.
3. How many digital input channels does the SM 321 provide?
It provides 16 DI.
4. What input voltage range is stated for this digital input module?
It is designed for 120/230 V AC.
5. Is the digital input module isolated?
Yes, it is described as isolated.
6. What connector configuration is stated?
It is specified as 1x 20-pole.
