Product Description
Key Features
- SIMATIC S7-300 SM 321 identity: Digital input module with 16 isolated digital inputs, 24 V DC input and sourcing input.
- 24 V DC input: Input voltage type is DC; rated input voltage is 24 V, with signal "0" at -5 to +30V and signal "1" at -13 to -30V.
- 20-pin connection: Required front connector: 20-pin.
- Channel and backplane isolation: Digital inputs are not separated between channels; separation from the backplane bus is provided by an optocoupler.
- Product lifecycle: Product lifecycle: Product cancellation.
Technical Summary
| Product identity | 6ES7321-1BH50-0AA0; SIMATIC S7-300 SM 321 digital input module |
|---|---|
| Digital inputs | 16 isolated DI |
| Input voltage | 24 V DC rated value |
| Input type | Sourcing input |
| Front connector | 20-pin |
| Load voltage L+ | 24 V rated value; permissible range 20.4 V to 28.8 V DC |
| Product lifecycle | Product cancellation |
Frequently Asked Questions
How many digital inputs does 6ES7321-1BH50-0AA0 have?
It has 16 isolated digital inputs.
What input voltage does this module use?
The input voltage type is DC, with a rated value of 24 V.
Which front connector is required?
A 20-pin front connector is required.
Is the product lifecycle available for this exact order number?
Yes. The product lifecycle is Product cancellation.
