Description
The Beckhoff KL2552 is a 2-channel motion interface bus terminal for controlling DC brush motors with a supply voltage of 8–48 V DC and a maximum output of 5 A. It provides direct motor connection, encoder support, and overload protection for reliable automation control.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Beckhoff |
| Category |
Motion Control Modules |
| Part Number |
KL2552 |
| Subcategory |
Bus Terminals |
| Technology |
Compact drive technology |
| Load Type |
DC brush motor, inductive |
| Number of Channels |
2 |
| Outputs |
1 × DC motor per channel |
| Inputs |
1 × end position, 1 × encoder per channel |
| Supply Voltage (Electronics) |
24 V DC (via power contacts) |
| Supply Voltage (Power) |
8…48 V DC (external) |
| Max. Output Current |
2 × 5 A (short-circuit and thermal overload proof) |
| Resolution |
10-bit current, 16-bit speed |
| Encoder Input Signal |
5…24 V DC, typ. 5 mA, single-ended |
| Pulse Frequency |
Max. 400,000 increments/s (with 4-fold evaluation) |
| Current Consumption (Contacts) |
typ. 50 mA |
| Current Consumption (K-bus) |
typ. 100 mA |
| Process Image Width |
48 inputs/outputs: 2 × 16-bit data, 2 × 8-bit control/status |
| Electrical Isolation |
500 V (K-bus/field potential) |
| Operating Temperature |
0…55°C |
| Storage Temperature |
-25…+85°C |
| Relative Humidity |
95%, no condensation |
| Vibration/Shock Resistance |
Conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC Compliance |
Conforms to EN 61000-6-2/EN 61000-6-4 |
| Protection Rating |
IP20 |
| Wiring |
Pluggable for KSxxxx Bus Terminals |
| Approvals/Markings |
CE, UL |
| Weight |
0.57 lbs (approx. 100 g) |
Information About KL2552
The KL2552 is part of Beckhoff’s compact drive technology series, offering a decentralized motion interface for DC brush motors within the modular Bus Terminal system. It supports two independent motor channels with up to 5 A total output, short-circuit and thermal overload protection, and precise control through 10-bit current and 16-bit speed resolution. Encoder feedback inputs allow accurate position tracking, while end position signals enhance motor safety and monitoring. Designed with IP20 protection, pluggable wiring, and CE/UL certification, the KL2552 integrates seamlessly into Beckhoff automation systems for compact and efficient motor control.
Key Features:
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2-Channel Motion Interface: Provides control for two DC brush motors in a single bus terminal for compact installation.
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Flexible Power Supply: Operates with 8…48 V DC for motor power and 24 V DC for electronics, supporting a wide voltage range.
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High Output Capacity: Delivers up to 2 × 5 A total current with integrated short-circuit and thermal overload protection.
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Precise Control: Offers 10-bit current resolution and 16-bit speed resolution for smooth and accurate motor operation.
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Encoder and Position Inputs: Supports one encoder input and one end-position input per channel for position monitoring and feedback.
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High Pulse Frequency: Handles up to 400,000 increments/s with 4-fold evaluation for high-speed motion control.
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Electrical Isolation: 500 V isolation between K-bus and field potential for enhanced safety.
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Compact Bus Terminal Design: Pluggable wiring for KSxxxx terminals ensures easy installation and integration.
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Environmental Durability: Operates at 0…55°C with compliance to vibration and EMC standards for industrial reliability.
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Global Compliance: CE and UL certified for worldwide use in industrial automation systems.
The KL2552 delivers the reliability and precision required for DC motor control in compact and modular automation systems.
