Product Overview
Technical Summary
| Product type | SIMATIC S7-300 digital output SM 322 |
|---|---|
| Digital outputs | 8; Relays |
| Relay-coil supply | 24 V DC |
| Rated output current | 5 A for signal "1" |
| Output isolation | Between channels and from backplane bus; Optocoupler |
| Required front connector | 40-pin |
| Installation load limit | 5 A up to 60 °C horizontal; 5 A up to 40 °C vertical |
| Product lifecycle | Product cancellation |
Key Features
8 isolated digital outputs with relay switching.
Rated relay-coil supply voltage: 24 V DC.
Rated output current for signal "1": 5 A; minimum load current: 5 mA.
Outputs are isolated between channels and from the backplane bus by optocouplers; isolation tested with 2 000 V AC.
Required front connector: 40-pin. Dimensions: 40 mm width, 125 mm height, and 120 mm depth.
Frequently Asked Questions
What is the exact product identity?
It is Siemens 6ES7322-1HF10-0AA0, a SIMATIC S7-300 digital output SM 322 with 8 relay outputs.
What connector does this line item require?
It requires a 40-pin front connector. Connectors with spring-loaded terminals can be used as of 6ES7392-1BM01-0AA0.
What are the output and relay-coil ratings?
The relay-coil supply is 24 V DC. The rated output current for signal "1" is 5 A, with a 5 mA minimum load current.
What installation load limits should be retained in a quotation?
The load limit is 5 A for horizontal installation up to 60 °C and 5 A for vertical installation up to 40 °C.
What project details should accompany a quotation request?
Provide the requested quantity, destination, schedule context, and any additional BOM lines for this exact line item.
