Manufacturer: BECKHOFF
Product No.: KL6811
Country of origin:Germany
Product Type: Bus Terminals
Payment: T/T, Western Union
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months
Directly integrating lighting control into the standard I/O architecture, the Beckhoff KL6811 operates as a dedicated 1-channel Digital Addressable Lighting Interface (DALI) master terminal. This module facilitates seamless communication between the Beckhoff Bus Coupler system and up to 64 DALI slaves or 16 groups. By utilizing the TwinCAT PLC DALI software library, engineers can configure, parameterize, and monitor lighting networks directly from the central controller, eliminating the need for separate, proprietary lighting gateways.
| Parameter | Specification |
|---|---|
| Manufacturer | Beckhoff Automation |
| Model Number | KL6811 |
| Technology | DALI (Digital Addressable Lighting Interface) / DSI |
| Number of Channels | 1 |
| Max. Slaves / Groups | 64 slaves / 16 groups |
| Data Transfer Speed | 1200 baud |
| Nominal Supply Voltage | 24 V DC (-15% / +20%) |
| Current Consumption (K-Bus) | typ. 55 mA |
| Current Consumption (Power Contacts) | typ. 30 mA + load current |
| DALI Power Supply Current | max. 130 mA |
| Process Image Bit Width | 3 Byte Input / 3 Byte Output |
| Electrical Isolation | 1500 V DC (DALI-bus to K-bus and Power Contacts) |
| Ex Marking | II 3 G Ex nA IIC T4 Gc |
| Operating Temperature Range | 0 to +55 degC |
| Storage Temperature Range | -25 to +85 degC |
| Protection Class | IP20 |
| Weight | approx. 80 g |
| Shipping Weight (Calculated) | 1.0 kg |
| Terminal Contact | Signal Assignment | Description |
|---|---|---|
| 1 | +24 V DC | Terminal Operating Power Supply Input |
| 5 | 0 V DC (GND) | Power Supply Common Ground |
| 3 | DALI + | Positive DALI/DSI Control Bus Line |
| 7 | DALI - | Negative DALI/DSI Control Bus Line |
The KL6811 utilizes standard tension clamp connections. For high-vibration applications requiring pre-assembled wiring harnesses, the alternative KS6811 pluggable version offers direct drop-in functional compatibility while optimizing field-wiring replacement speed. Note that scaling beyond 64 ballasts requires the addition of secondary KL6811 terminals rather than attempting to split or cascade bus lines beyond the single physical channel.
A common commissioning oversight involves exceeding the integrated 130 mA DALI power supply threshold. Standard DALI ballasts draw approximately 2 mA each, but older or specialized luminaires can consume up to 4 mA to 6 mA. If the combined draw of the 64 connected devices exceeds 130 mA, communication errors and ballast dropout will occur. If external DALI power supply units (PSUs) are integrated to support higher current demands, the internal DALI supply of the KL6811 must be explicitly deactivated in the controller's register settings to prevent bus instability or hardware failure.
To maintain signal integrity over maximum physical runs (up to 300 meters), standard 1.5 mm2 copper conductors must be used for DALI routing. DALI signals are not SELV-compliant and are frequently run in the same multi-conductor cable jacket as the 230 V AC supply. Ensure that the shielding configuration of your network isolates the 1200-baud DALI data path from high-frequency transient spikes generated by variable frequency drives or high-power motor switchgear residing on the same physical cable trays.
Disconnect all physical power supplies from the K-bus, power contacts, and adjacent field terminals before mounting, removing, or wiring the KL6811. Failure to isolate power can result in transient arcs that permanently damage the internal optical isolation circuitry of the terminal.
Mount the KL6811 on a grounded 35 mm DIN rail (EN 60715) by snapping it into position alongside the adjacent Bus Terminals, ensuring secure mechanical interlocking of the side-mounted tongue-and-groove joints.
Wire the 24 V DC operational supply to terminal contacts 1 (+24 V) and 5 (0 V) to energize the internal module processing and bus transceiver paths.
Connect the physical DALI bus lines to terminal contacts 3 (DALI+) and 7 (DALI-). Double-check physical polarities, even though most DALI ballasts are polarity-insensitive.
Perform a standard TwinCAT I/O device scan to detect the terminal, map the 3-byte input/output process images, and configure library parameters for your specific ballast addresses.
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Returns & Warranty
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Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|
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