Product Description
Product Details
Manufacturer: BACHMANN
Model/Part Number: BEM211
Description: Bus Expansion Modules
The BEM211 series offers reliable and efficient bus expansion solutions. It includes master and slave modules, with optional integrated power supplies for slave modules. The system supports up to 15 substations with minimal signal delay, allowing connections over distances of up to 3 meters between stations.
Key Features:
| Feature | Details |
|---|---|
| Master Module | 1 interface |
| Slave Module | 2 interfaces |
| Integrated Power Supply | Optional for slave modules |
| Max. Local Substations | 6 (BES212/x) or 15 (BES222/x) |
| Signal Delay | Minimal |
| Station Distance | Up to 3 m |
| Watchdog | Integrated on slave modules |
Item Number:
- BEM211: 00012846-00
Technical Specifications:
| Specification | Details |
|---|---|
| Bus Expansion Interface | |
| Line Length | 3 m |
| Transmission Medium | CAT7 special cable |
| Power Supply (Optional) | |
| Voltage Range | 18–34 V DC |
| Current Consumption | Max. 1.2 A at 24 V |
| Nominal Power | 17 W |
| Output Current (+5 V) | 2 A |
| Output Current (+15 V) | 250 mA |
| Output Current (-15 V) | 200 mA |
| Reverse Polarity Protection | Yes |
Ambient Conditions:
- Operating Temperature: -30°C to +60°C
- Relative Humidity (Operation): 5–95% without condensation
- Storage Temperature: -40°C to +85°C
- Relative Humidity (Storage): 5–95% without condensation
Model Variants:
| Model | Description |
|---|---|
| BEM211 | Bus extension master module with 1 interface |