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Siemens 6ES7422 1BL00 0AA0 SIMATIC S7 400 Digital Output Module
Reliable Digital Output for Industrial Automation
The Siemens SIMATIC S7 400 SM 422 digital output module (part number 6ES7422 1BL00 0AA0) provides 32 channels of 24 /V DC outputs, each rated at 0.5 /A. Designed for the S7 400 automation system, it ensures robust and flexible control of actuators in demanding industrial environments.
Key Specifications (Model 6ES7422 1BL00 0AA0)
- Series: SIMATIC S7 400, SM 422
- Outputs: 32 digital outputs (grouped in sets of 8)
- Rated Load Voltage: 24 /V DC
- Output Current: 0.5 /A per channel
- Isolation: Outputs isolated in groups of 32
- Supply Groups: Channels grouped (0–7, 8–15, 16–23, 24–31), each can be switched off separately
- Status LEDs: Indicate system state even if connector is not attached
- Dimensions: Approx. 290 × 25 × 210 /mm
- Compliance: RoHS, IEC standards
Features & Benefits
- Flexible grouping: Outputs divided into 4 supply groups of 8 channels for selective switching.
- Diagnostics: Built in LEDs provide quick status checks.
- Compact design: Slim profile for rack mounting in S7 400 systems.
- Industrial reliability: Designed for continuous operation in automation environments.
Applications
- Factory automation and process control
- Robotics and machine control
- Building management systems
- Energy and utility monitoring
- Large scale industrial automation projects
Related S7 400 Digital Output Modules
| Model Code |
Outputs |
Voltage |
Current per Channel |
Notes |
| 6ES7422 1BL00 0AA0 |
32 |
24 /V DC |
0.5 /A |
Standard 32 channel module |
| 6ES7422 1BH11 0AA0 |
16 |
24 /V DC |
2 /A |
Higher current per channel |
| 6ES7422 5EH10 0AB0 |
16 |
20–125 /V DC |
1.5 /A |
Wide voltage range option |
| 6ES7422 1BL01 0AA0 |
32 |
24 /V DC |
0.5 /A |
Updated version with diagnostics |
Considerations
- Phase out notice: Siemens has announced a product phase out by October 2025, so long term availability may be limited.
- Compatibility: Ensure rack and power supply are compatible with S7 400 modules.
- Future migration: For new installations, consider Siemens S7 1500 series for long term support.
Summary: The Siemens 6ES7422 1BL00 0AA0 SIMATIC S7 400 Digital Output Module is a robust, flexible solution for controlling actuators in industrial automation systems. With 32 channels, diagnostic LEDs, and reliable performance, it is ideal for maintaining existing S7 400 installations, while newer projects should evaluate migration to the S7 1500 series.
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