SIEMENS 6DD2920-0AM0 SIMADYN D LES2 Fiber Module

✔The SIEMENS 6DD2920-0AM0 is a LES2 light emitter (fiber-optic sender) module for the SIMADYN D digital drive control system. It mounts in the SAV21 and SAV22 racks, converting the internal bus signals into fiber-optic light transmission for communication between SIMADYN D modules and subsystems. Alongside its companion light receiver modules (e.g., ERL1), the LES2 provides galvanically isolated, noise-immune data links — essential in high-power drive environments such as rolling mills, mine winders, and large variable-speed drives where copper links are exposed to severe EMI.

🔨Key Specifications

• 🔴Manufacturer: Siemens (SIEMENS)
• 🔴Order Number: 6DD2920-0AM0
• 🔴Product Family: SIMADYN D (digital drive control system)
• 🔴Product Type: LES2 light emitter / fiber-optic sender module
• 🔴Rack Compatibility: SAV21 and SAV22 racks
• 🔴Function: Converts SIMADYN D bus signals to fiber-optic light for inter-module / inter-subsystem communication
• 🔴Companion Modules: Light receiver modules at the opposite end of the fiber link

🔨Key Features

• 🔴EMI-Immune Communication: Fiber-optic transmission fully isolates the data path from electrical noise, ground loops, and high-voltage transients typical of drive and converter environments.
• 🔴Standard SIMADYN D Rack Part: Directly fits the SAV21 / SAV22 racks; drop-in replacement for an existing LES2 module.
• 🔴Proven Drive-System Heritage: Part of the SIMADYN D family that powered high-performance drive controls in metals, mining, and paper industries for decades.
• 🔴Spare-Part Ready: Correct replacement restores the failed fiber link without re-engineering the communication configuration.

🔨Typical Applications

• 🔴High-power drive and converter control systems (SIMADYN D)
• 🔴Rolling mill and material-handling drive coordination
• 🔴Mine hoist and winder control
• 🔴Drive-to-drive and drive-to-processor fiber-optic data links

🔨Ordering Notes

• 🔴Verify the fiber-link configuration: Confirm whether the LES2 pairs with an ERL1 receiver or another sender at the far end, and that the fiber cable type matches your installed link.
• 🔴Check the rack type: This LES2 variant is specified for SAV21 / SAV22 racks — confirm your rack before ordering.

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