Product information
Overview
Applications
- Controlling digital inputs: The digital outputs can control a digital input.
Key Features
- Digital output capacity: 16 isolated digital outputs using relays.
- Rated load voltage: Load voltage is 60 V DC or 230 V AC.
- Output current: Rated output current for signal "1" is 5 A; minimum load current is 11 mA.
- Switching frequency: Maximum switching frequency is 10 Hz with a resistive load, 1 Hz with an inductive load or lamp load, and 20 Hz mechanically.
- Channel separation: Digital outputs have potential separation between channels, in groups of 2, and between the channels and backplane bus.
- Lifecycle status: Announcement of product phase-out.
Technical Summary
| Product | SIMATIC S7-400, digital output SM 422 |
|---|---|
| Digital outputs | 16; Relays |
| Output current, signal "1", rated value | 5 A |
| Load voltage, rated value (DC) | 60 V |
| Load voltage, rated value (AC) | 230 V |
| Permissible load voltage range (DC) | 1 V to 60 V |
| Permissible load voltage range (AC) | 2 V to 264 V |
| Short-circuit protection | No |
| Input current from backplane bus, 5 V DC, max. | 1 A |
| Power loss, typical | 4.5 W |
| Lifecycle | Announcement of product phase-out |
Frequently Asked Questions
What is the exact Siemens model and output configuration?
It is Siemens 6ES7422-1HH00-0AA0, a SIMATIC S7-400 SM 422 digital output module with 16 isolated relay outputs.
What load voltage and output current does it support?
The rated load voltage is 60 V DC or 230 V AC. Rated output current for signal "1" is 5 A, with a minimum load current of 11 mA.
Does the module have short-circuit protection?
It has no short-circuit protection.
How are the digital outputs electrically separated?
Potential separation exists between the channels, in groups of 2, and between the channels and the backplane bus.
What details should be included for a quotation request?
Include the required quantity, destination, and project or MRO list context for model-specific quotation support.
