BK9500

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The BK9500 is an advanced EtherCAT Bus Coupler with a protection class rated at IP20 and a power supply requirement of 24 VDC (-15%/+20%). Manufactured by Beckhoff as part of the BK EtherCAT Bus Couplers series, it supports 64 bus terminals and up to 256 digital inputs/outputs. The unit withstands temperatures up to +55°C during operation.

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Product Description:

The BK9500 Bus Coupler is designed for USB and offers a reliable interface for modular I/O systems. It connects up to 64 bus terminals. It supports digital and analog signals efficiently. The device ensures seamless integration in various industrial applications with compact design.

The BK9500 bus coupler supports 256 digital and 128 analog peripheral input/output signals. It provides configuration through KS2000 software or a controller. It handles a maximum of 512 bytes for input and 512 bytes for output. Bus connections include 1 x B type upstream and 3 x A type downstream. It operates with a 24 VDC power supply with a tolerance of – 15 % to + 20 %. The input current of the model is 70 mA plus one fourth of the total K Bus current with a maximum of 500 mA. The starting current of the coupler is approximately 2.5 times the continuous current. The recommended back up fuse should not exceed 10 A. The K bus can supply up to 1750 mA. Maximum power contact voltage for the model is 24 VDC and maximum power contact current load is 10 A. Dielectric strength is rated at 500 V for power contact, supply voltage and fieldbus connections.

The BK9500 bus coupler from Beckhoff weighs approximately 170 g and can be installed in variable positions. It offers a protection class rating of IP20 that makes it suitable for indoor dust protected environments. The model holds approvals including CE, cULus and ATEX certifications. These certifications ensure compliance with international safety and operational standards. Its bus structure allows extensive expansion and efficient handling of peripheral signals. The bus coupler supports reliable and continuous operation in industrial automation systems.

Ambient Operating Temp
0 °C to +55 °C
Ambient Storage Temp
-25 °C to +85 °C
Analog I/O Channels
128 inputs/outputs
Approvals
CE, cULus, ATEX
Bus Connection
1× B upstream, 3× A downstream
Bus Terminals
64
Configuration Method
KS2000 software or TwinCAT
Data Bytes
512 bytes input, 512 bytes output
Digital I/O Channels
256 inputs/outputs
Input Current
70 mA + (K-Bus/4), max 500 mA
K-Bus Power Supply
up to 1750 mA
Power Supply
24 V DC (-15%/+20%)
Protection Class
IP20
Recommended Backup Fuse
≤ 10 A
Starting Current
approx. 2.5× continuous current

Frequently Asked Questions about BK9500:

Q: How many signals can the BK9500 bus coupler handle for industrial systems?

A: The BK9500 bus coupler manages 256 digital and 128 analog peripheral I O signals efficiently. It ensures reliable signal processing in industrial applications without performance loss.

Q: What type of power supply is required for the Beckhoff BK9500 model?

A: The BK9500 bus coupler operates with a 24 VDC power supply and offers a tolerance range from minus 15 percent to plus 20 percent. This ensures stable operation across varying conditions.

Q: How much data can the BK9500 bus coupler process during input and output tasks?

A: The BK9500 bus coupler handles a maximum of 512 bytes for input and 512 bytes for output operations. This enables fast data exchange in modular automation systems.

Q: How does the Beckhoff BK9500 manage high current demands during startup?

A: The starting current of the BK9500 is around 2.5 times higher than the continuous current. It requires a recommended backup fuse not exceeding 10 A for protection.

Q: Is the BK9500 bus coupler from Beckhoff suitable for environments with dust exposure?

A: The BK9500 bus coupler offers a protection class rating of IP20 for dust protected indoor settings. It ensures consistent operation with approvals including CE cULus and ATEX certifications.


Internal Product Review

  • ‘‘The BK9500 bus coupler from Beckhoff, weighing 170 g, offers IP20 protection for dust-protected environments. It supports 256 digital and 128 analog signals, ensuring wide compatibility. It delivers robust reliability with 500 V dielectric strength and KS2000 configuration. Extensive 512-byte input and output handling enhances its industrial performance.’’

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