Siemens 6ES7960-1CB00-0AA5 RM1800/unit
The Siemens 6ES7960-1CB00-0AA5 is a dedicated Synchronization Module designed for SIMATIC S7-1500H high-availability PLC systems. Installed in redundant controller architectures, the module enables continuous synchronization between paired CPUs through an optical communication interface. By maintaining real-time exchange of process data, program information, and system status, it ensures seamless failover operation and maximum plant availability. The module supports fiber-optic patch cable connections up to 10 meters and integrates directly within TIA Portal engineering environments.
Product Information
| Specification | Value |
|---|---|
| Model | 6ES7960-1CB00-0AA5 |
| Product Name | Synchronization Module |
| Product Family | SIMATIC S7-1500H |
| Communication Type | Optical Synchronization |
| Optical Connector | LC |
| Wavelength | 850 nm |
| Supported Distance | 1–10 m |
| Engineering Software | STEP 7 / TIA Portal V15.1+ |
| Typical Power Loss | 0.77 W |
| Dimensions | 13 × 14 × 58 mm |
| Weight | Approx. 18 g |
| Redundancy Support | Yes |
| Installation Environment | Industrial Automation Systems |
Key Benefits
- Ensures continuous synchronization between redundant S7-1500H CPUs.
- Supports high system availability and fault-tolerant automation architectures.
- Compact design minimizes panel space requirements.
- Optical communication provides immunity to electromagnetic interference.
- Enables seamless controller switchover without disrupting plant operations.


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