Product Overview
Technical Summary
| Product designation | SIMATIC S7-400, digital output SM 422 |
|---|---|
| Digital outputs | 16; Relays |
| Load voltage L+ rated value (DC) | 60 V |
| Load voltage L1 rated value (AC) | 230 V |
| Output current for signal "1" rated value | 5 A |
| Switching frequency with resistive load, max. | 10 Hz |
| Product lifecycle | Announcement of product phase-out |
Key Features
- Product designation: SIMATIC S7-400 digital output SM 422 with 16 isolated digital outputs.
- Relay outputs: 16 digital outputs with relays; short-circuit protection: No.
- Rated load voltage: 60 V DC for L+ and 230 V AC for L1.
- Rated output current: 5 A for signal "1".
- Output status indication: Green digital-output status indicator, per channel.
- Potential separation: Digital outputs are separated between channels in groups of 2 and from the backplane bus.
Frequently Asked Questions
What does Siemens order number 6ES7422-1HH00-0AA0 identify?
It identifies a SIMATIC S7-400 digital output SM 422 with 16 isolated relay outputs.
Which load-voltage values distinguish this SM 422 variant?
The rated value is 60 V DC for L+ and 230 V AC for L1.
What output current should be checked for this code?
The rated output current for signal "1" is 5 A, with a minimum load current of 11 mA.
Does this module have short-circuit protection?
No, short-circuit protection is not provided.
What details are needed for a quotation?
Check the complete order number, required quantity, and destination.
