Key Features
- 32 isolated digital outputs: Digital output SM 422 with 32 DO.
- 24 V DC load voltage: Rated value (DC): 24 V; permissible range: 20.4 V to 28.8 V.
- 0.5 A output current: Output current for signal "1" rated value: 0.5 A.
- 0.15 ms output delay: Output delay: 0.15 ms.
- Diagnostics and protection: Diagnostics function: Yes; parameterizable. Short-circuit protection: Yes; clocked electronically.
- Potential separation: Potential separation between the channels, in groups of 8, and between the channels and backplane bus.
Applications
- Digital output control in SIMATIC S7-400 systems: For switching 32 digital outputs.
- Driving a digital input: Supports controlling a digital input.
- Redundant load control: Parallel switching of two outputs for redundant control of a load.
Technical Summary
| Number of digital outputs | 32 |
|---|---|
| Output current, signal "1", rated value | 0.5 A |
| Load voltage L+, rated value (DC) | 24 V |
| Output delay | 0.15 ms |
| Short-circuit protection | Yes; Clocked electronically |
| Diagnostics function | Yes; Parameterizable |
| Potential separation between channels | Yes |
| Potential separation groups | 8 |
| Potential separation between channels and backplane bus | Yes |
Frequently Asked Questions
What is the Siemens 6ES7422-7BL00-0AB0?
It is a SIMATIC S7-400 digital output SM 422 module.
How many digital outputs does the 6ES7422-7BL00-0AB0 have?
It has 32 digital outputs.
What are the load voltage and output current of this SM 422 module?
Load voltage L+ is 24 V DC, with a permissible range of 20.4 V to 28.8 V. Output current for signal "1" is 0.5 A.
Does the 6ES7422-7BL00-0AB0 include diagnostics and protection?
Yes. Diagnostics function is parameterizable, and short-circuit protection is clocked electronically.
