Description
Siemens 6DD1681-0CA2 Mainboard Industrial Automation Part
High-reliability mainboard for Siemens S7-400 automation systems, ensuring stable operation in demanding industrial environments.
| Brand | Siemens |
| Model | 6DD1681-0CA2 |
| Voltage | 24V DC |
| Country of Origin | Germany |
| Weight | 0.5 kg |
| Dimensions | 20 cm x 15 cm x 5 cm |
| Warranty | 2 years |
| Certifications | CE, UL, RoHS |
| SKU / MPN | 6DD1681-0CA2 |
| What’s in the box | 1x Mainboard, 1x User Manual |
| Processor Type | Custom Siemens ASIC |
| Memory Capacity | 4 MB SDRAM |
| Operating Temperature | 0°C to 60°C |
| Communication Interfaces | PROFIBUS, MPI |
| Power Consumption | 5 W |
| Form Factor | Standard S7-400 backplane |
Key benefits: Robust design, easy integration with existing Siemens systems, long lifecycle support, and low power consumption.
Typical applications: PLC systems, industrial control cabinets, process automation, manufacturing lines.
Order number: Siemens 6DD1681-0CA2 Mainboard Industrial Automation Part
Lifecycle: Active
Documentation: Available on Siemens Industry Online Support portal
Typical applications: PLC systems, industrial control cabinets, process automation, manufacturing lines.
Order number: Siemens 6DD1681-0CA2 Mainboard Industrial Automation Part
Lifecycle: Active
Documentation: Available on Siemens Industry Online Support portal




Michael T. –
Well-manufactured linear guide, smooth motion. Quick shipping.