Product Overview
Technical Summary
| Product | SIMATIC S7-300 digital output SM 322 |
|---|---|
| Outputs | 16; Relays |
| Isolation | Between channels and backplane bus; Optocoupler |
| Load voltage L+ | 120 V DC rated value |
| Load voltage L1 | 230 V AC rated value |
| Relay coil supply | 24 V DC |
| Output current | 2 A rated value for signal "1" |
| Front connector | 20-pin |
| Lifecycle | Product cancellation |
Key Features
- Product designation: SIMATIC S7-300, digital output SM 322; spare part.
- Digital outputs: 16 isolated relay outputs; short-circuit protection: No.
- Rated load voltage: 120 V DC on L+ and 230 V AC on L1.
- Output current: Signal "1" rated value: 2 A; minimum load current: 10 mA.
- Connection and dimensions: Required 20-pin front connector; 40 mm width, 125 mm height and 120 mm depth.
- Product lifecycle: Product cancellation.
Applications
- Digital input control: The digital outputs can control a digital input.
- Redundant load control: Two outputs can be switched in parallel for redundant control of a load.
Frequently Asked Questions
Which specifications distinguish 6ES7322-1HH01-0AA0?
Check the SIMATIC S7-300 SM 322 designation, 16 isolated relay outputs, 20-pin front connector, 120 V DC and 230 V AC rated load voltages, and 24 V relay coil supply.
Does this module have short-circuit protection or diagnostics?
It has no short-circuit protection, alarms, diagnostics function, diagnostic alarm, wire-break diagnosis, short-circuit diagnosis, fuse-blown diagnosis, or missing-load-voltage diagnosis.
What should be checked before requesting a quotation?
Check the complete order number and nameplate details, then provide the required quantity and destination.
