Product information
Overview
Key Features
- 16 isolated digital inputs: Has 16 digital inputs with potential separation between channels and between channels and the backplane bus by optocoupler.
- 24–48 V AC/DC input: Supports 24 V or 48 V DC and 24 V or 48 V AC at 0 … 63 Hz.
- Type 1 input characteristic: Input characteristic curve is in accordance with IEC 61131, type 1.
- 40-pin connection: Requires a 40-pin front connector.
- Input status indication: Has a green digital input status indicator LED; group error SF and diagnostic functions are not available.
- Product cancellation: Product lifecycle: Product cancellation.
Technical Summary
| Product type | SIMATIC S7-300 SM 321 digital input module |
|---|---|
| Digital inputs | 16 |
| Input voltage | AC/DC; 24 V or 48 V DC; 24 V or 48 V AC (0 … 63 Hz) |
| Input characteristic | IEC 61131, type 1 |
| Channel isolation | Between channels and between channels and backplane bus; Optocoupler |
| Front connector | 40-pin, required |
| Input status LED | Green, available |
| Product lifecycle | Product cancellation |
Frequently Asked Questions
What is Siemens 6ES7321-1CH00-0AA0?
It is a SIMATIC S7-300 SM 321 digital input module with 16 isolated digital inputs.
What supply and input voltage does this module use?
The input voltage is AC/DC: 24 V or 48 V DC, and 24 V or 48 V AC (0 … 63 Hz). Load voltage L+ is 24 V DC with a permissible range of 24 V to 48 V DC; load voltage L1 is 24 V AC with a permissible range of 24 V to 48 V AC.
What connector is required for 6ES7321-1CH00-0AA0?
A 40-pin front connector is required.
How can I request a quotation for this exact module?
Send the required quantity, destination, and project-list context for a model-specific quotation request.
