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Specification & Description
| Specification | Description |
|---|---|
| Part Number | KL9400 |
| Manufacturer | Beckhoff |
| Category | General Automation |
| Input Voltage | 24 V DC (-15%/+20%) |
| Output Voltage (K-Bus) | 5 V DC |
| Output Current (K-Bus) | Max. 2 A |
| Power Contact Voltage | 24 V DC |
| Power Contact Current Load | Max. 10 A |
| Configuration | No address setting or configuration needed |
| Bits Width in Process Image | 0 |
| Electrical Isolation | 500 V rms (K-Bus / field voltage) |
| Weight | Approx. 65 g |
| Dimensions (W x H x D) | 15 mm x 100 mm x 70 mm (width aligned: 12 mm) |
| Mounting | On 35 mm mounting rail conforms to EN 50022 |
| Installation Position | Variable |
| Permissible Ambient Temperature (Operation) | 0°C ... +55°C |
| Permissible Ambient Temperature (Storage) | -25°C ... +70°C |
| Permissible Relative Humidity | 5% ... 95%, no condensation |
| Vibration/Shock Resistance | Conforms to EN 60068-2-6 / EN 60068-2-27, EN 60068-2-29 |
| EMC Resistance Burst/ESD | Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Protection Class | IP20 |
| Approvals | CE |
The Beckhoff KL9400 Power Supply Unit is a vital component designed to enhance the performance and reliability of K-Bus module systems. This compact and efficient unit ensures a stable 5 V DC power supply to the K-Bus, with an impressive output current capacity of up to 2 A. Engineered for seamless integration, the KL9400 requires no address setting or configuration, making it a hassle-free addition to your automation setup.
With its robust design, the KL9400 can withstand a wide range of environmental conditions, operating reliably between 0°C to +55°C and maintaining resilience during storage from -25°C to +70°C. The unit's electrical isolation of 500 V rms between the K-Bus and field voltage safeguards your system against potential electrical interference, ensuring consistent performance.
Mounting is straightforward, thanks to its compatibility with a 35 mm mounting rail conforming to EN 50022, and its variable installation position allows for flexible placement within your setup. The KL9400 is also designed with safety in mind, featuring a protection class of IP20 and compliance with relevant EMC resistance standards for burst and ESD.
Whether you're expanding your system with additional Bus Terminals or simply seeking a reliable power supply solution, the Beckhoff KL9400 is an excellent choice for maintaining the integrity and efficiency of your automated processes.
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Frequently Asked Questions
What is the purpose of the KL9400 power supply unit?
The KL9400 power supply unit is designed to refresh the K-bus in a Beckhoff Bus Terminal system. It ensures stable operation by providing additional current to the K-bus when a large number of Bus Terminals are used.
Can the KL9400 power supply unit be used with any Bus Coupler?
The KL9400 is compatible with standard Bus Couplers (BKxx00, BCxx00), which provide 1.75 A to the K-Bus, as well as Economy Couplers (BKxx10) and Low Cost Couplers (LCxx00), which provide 0.5 A. It is used to supply an extra 2 A to the K-Bus in configurations with a high number of Bus Terminals.
What are the input and output voltage specifications for this power supply unit?
The input voltage for the KL9400 is 24 V DC, and it provides an output voltage of 5 V DC to the K-Bus.
What is the maximum output current the KL9400 can provide to the K-Bus?
The KL9400 can provide a maximum output current of 2 A to the K-Bus.
Is there any configuration required to set up the KL9400?
No, the KL9400 does not require any address setting or configuration. It is designed for easy integration into the Bus Terminal system.
What is the electrical isolation between the K-Bus and field voltage for the KL9400?
The KL9400 provides electrical isolation of 500 V rms between the K-Bus and field voltage.
What are the dimensions and weight of the KL9400?
The dimensions of the KL9400 are 15 mm x 100 mm x 70 mm (width aligned: 12 mm), and it weighs approximately 65 g.
How should the KL9400 be mounted?
The KL9400 should be mounted on a 35 mm mounting rail conforming to EN 50022, and the installation position is variable.
What is the permissible operating temperature range for the KL9400?
The permissible operating temperature range for the KL9400 is 0°C to +55°C.
Does the KL9400 meet any vibration, shock, or EMC resistance standards?
Yes, the KL9400 conforms to EN 60068-2-6 / EN 60068-2-27, EN 60068-2-29 for vibration and shock resistance, and EN 61000-6-2 / EN 61000-6-4 for EMC resistance to burst and ESD.
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