Key Features
- 8 relay digital outputs: Digital output SM 322 with 8 DO (relay).
- Isolated output channels: Potential separation between the channels and between the channels and backplane bus.
- 24 V DC load supply: Rated value (DC): 24 V.
- 20-pin front connector: Required front connector: 20-pin.
- Compact module dimensions: Width 40 mm, height 125 mm, depth 120 mm.
Applications
- Digital output switching: Switching digital outputs through 8 relay channels.
- Digital input control: Controlling a digital input.
Technical Summary
| Product type | SIMATIC S7-300, digital output SM 322 |
|---|---|
| Output type | 8; Relays |
| Rated value (DC) | 24 V |
| Output current for signal "1" rated value | 2 A |
| Switching capacity of contacts – with inductive load, max. | 2 A; 2 A (230 V AC), 2 A (24 V DC) |
| Short-circuit protection | No |
| Potential separation digital outputs | between the channels |
| Potential separation digital outputs, groups of | 2 |
| Potential separation digital outputs between the channels and backplane bus | Yes; Optocoupler |
| Isolation tested with | 1 500 V AC |
| Required front connector | 20-pin |
| Power loss, typ. | 3.2 W |
Frequently Asked Questions
What is Siemens 6ES7322-1HF01-0AA0?
It is a SIMATIC S7-300 digital output SM 322 spare part with 8 relay outputs.
What output rating does 6ES7322-1HF01-0AA0 provide?
The module is specified for 24 V DC and 2 A, and it also supports 230 V AC, 2 A.
What connection does this S7-300 output module need?
It requires a 20-pin front connector.
Does the module provide channel isolation?
Yes. The digital outputs have potential separation between the channels and from the backplane bus by optocoupler.
