Technical Summary
| Product designation | SIMATIC S7-400, digital output SM 422, isolated 16 DO; 5..230 V AC, 5 A relay |
|---|---|
| Number of digital outputs | 16; Relays |
| Output current for signal "1" rated value | 5 A |
| Load voltage L1 rated value (AC) | 230 V |
| Load voltage L1 permissible range, lower limit (AC) | 2 V |
| Load voltage L1 permissible range, upper limit (AC) | 264 V |
| Input current from backplane bus 5 V DC, max. | 1 A |
| Power loss, typ. | 4.5 W |
| Short-circuit protection | No |
| Potential separation digital outputs between the channels | Yes |
| Isolation tested with | 1 500 V AC |
Applications
Switching 16 relay-based digital outputs in a SIMATIC S7-400 system.
Key Features
Digital output SM 422 for the SIMATIC S7-400 family.
Provides 16 DO with relay outputs and potential separation between channels and backplane bus.
Description includes 5..230 V AC with 5 A relay output rating.
Product lifecycle status: Announcement of product phase-out.
Frequently Asked Questions
What is Siemens 6ES7422-1HH00-0AA0?
It is a SIMATIC S7-400 digital output SM 422 module with 16 isolated relay outputs.
How many outputs does 6ES7422-1HH00-0AA0 have?
It has 16 digital outputs.
What is the load voltage range for the relay outputs?
The load voltage L1 is rated at 230 V AC, with a permissible range from 2 V AC to 264 V AC.
What is the product lifecycle status?
Product lifecycle status: Announcement of product phase-out.
