The Siemens 6ES7422-1BL00-0AA0 is a high-density digital output module designed for the SIMATIC S7-400 programmable logic controller (PLC) system. As part of the SM 422 signal module series, this unit provides 32 isolated digital outputs, enabling robust control of actuators, relays, and indicators within industrial automation environments.
This module is engineered for large-scale industrial control applications requiring high-density discrete output switching. It is commonly utilized in manufacturing lines, process control systems, and complex automation tasks where reliable 24 VDC signal distribution is required for field devices.
| Product Model | 6ES7422-1BL00-0AA0 |
| Module Type | SM 422 Digital Output |
| Number of Outputs | 32 |
| Rated Voltage | 24 VDC |
| Permissible Voltage Range | 20.4 V to 28.8 V |
| Output Current (per channel) | 0.5 A |
| Power Loss (typ.) | 4 W |
| Short-circuit Protection | Yes (Electronic) |
| Isolation Test Voltage | 500 V AC / 707 V DC |
The 6ES7422-1BL00-0AA0 is designed for the standard S7-400 backplane. Compatibility depends on your specific CPU configuration and hardware catalog version in your STEP 7 project. Please verify your hardware configuration in the software before deployment.
Yes, the module requires a 24 VDC load voltage supply (L+) to drive the output channels. Ensure the power supply is within the permissible range of 20.4 V to 28.8 V.
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.