Description
SIEMENS Addressing Diagnostic Unit 3RK1904-2AB01 Advanced Monitoring
Advanced diagnostic unit designed for precise addressing and monitoring in industrial automation systems.
| Brand | SIEMENS |
| Model | 3RK1904-2AB01 |
| Voltage | 24 V DC |
| Country of Origin | Germany |
| Weight | 0.3 kg |
| Dimensions | 90 x 45 x 75 mm (HxWxD) |
| Warranty | 2 years |
| Certifications | CE, UL, RoHS |
| SKU / MPN | 3RK1904-2AB01 |
| What’s in the box | Diagnostic unit, mounting accessories, user manual |
| Communication Interface | PROFIBUS DP |
| Operating Temperature | -25 to +60 °C |
| Protection Class | IP20 |
| Display Type | LED indicators |
| Mounting Type | DIN rail |
| Functionality | Addressing and advanced diagnostic monitoring |
| Power Consumption | Max. 2.5 W |
Key benefits: Enables efficient addressing and real-time diagnostics to reduce downtime and improve system reliability in industrial automation networks.
Typical applications: Used in factory automation, process control, and machinery monitoring systems requiring precise device addressing and status diagnostics.
Order number: SIEMENS Addressing Diagnostic Unit 3RK1904-2AB01 Advanced Monitoring
Lifecycle: Active product with ongoing support and updates
Documentation: Available user manual, installation guide, and technical datasheets on SIEMENS website





Kevin H. –
Excellent support when we had integration questions. The product met our standards.