Key Features
- 32 digital outputs: Digital output SM 322 with 32 DO.
- 24 V DC output rating: Designed for 24 V DC output operation with 0.5 A output current per channel.
- Isolated output design: Isolation tested with 500 V DC, with potential separation between the channels and backplane bus via optocoupler.
- 40-pin front connector: Requires a 40-pin front connector.
- Grouped current limits: Total current of the outputs is 4 A/group and 16 A/module.
- Electronic short-circuit protection: Short-circuit protection is electronic.
Applications
- Digital output switching: Controls 32 digital outputs for 24 V DC switching tasks.
Technical Summary
| Module type | SIMATIC S7-300, digital output SM 322 |
|---|---|
| Output count | 32 |
| Output voltage | 24 V DC |
| Output current for signal "1" rated value | 0.5 A |
| Number of digital outputs | 32 |
| Short-circuit protection | Yes; Electronic |
| Total current of the outputs (per group) | 4 A |
| Total current of the outputs (per group), horizontal installation – up to 60 °C, max. | 3 A |
| Total current of the outputs (per group), vertical installation – up to 40 °C, max. | 2 A |
| Potential separation digital outputs | Yes; Optocoupler |
| Required front connector | 40-pin |
Frequently Asked Questions
What is Siemens 6ES7322-1BL00-0AA0?
It is a SIMATIC S7-300 digital output SM 322 module with 32 DO.
What output voltage and current does this module use?
The module uses 24 V DC output voltage and 0.5 A output current for signal "1" rated value.
What connector is required for installation?
A 40-pin front connector is required.
What are the current limits for the output groups?
The total current of the outputs is 4 A/group and 16 A/module.
