Home Beckhoff KL Analog Input Series KL6904

KL6904

Name: KL6904
Brand: Beckhoff
Price: 493 USD
Availability: InStock
Rating: 4.5 (30 reviews)

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The KL6904 by Beckhoff is part of the KL Analog Input Series. It utilizes the TwinSAFE/Safety over EtherCAT protocol and supports up to four outputs, each with a max output current of 0.5 Amps. The device is horizontally installed. It conforms to the DIN EN ISO 13849-1:2008 safety standard and has a protection rating of IP20.

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Description
Specs
FAQ

Product Description

Beckhoff is known for industrial automation technology and offers products such as Bus Terminals, TwinSAFE systems, and EtherCAT components for industrial control. The company focuses on integrating automation and safety systems efficiently.

The KL6904 bus terminal is a link unit that ensures safe communication between input and output signals in industrial settings. The terminal is equipped with four safe outputs each with a maximum current of 0.5 A per channel. It follows the TwinSAFE protocol which is based on Safety over EtherCAT. This ensures secure communication for safety critical applications. This product supports safety applications with up to 15 safe connections and can handle up to 48 function blocks. The cycle time of the bus terminal ranges between 4 ms and 100 ms offering flexibility depending on application requirements. The model includes a polycarbonate construction and measures 24 mm x 100 mm x 68 mm. This bus terminal module offers high reliability for implementing safety critical functions in an industrial environment.

The housing of the KL6904 bus terminal is compact and fits on a 35 mm DIN rail. The unit supports horizontal installation and allows side by side mounting with other terminals. The bus terminal is compliant with safety standards such as DIN EN ISO 13849-1:2008 (Category 4, PL e) and EN 61508:2010 (SIL 3). The model’s power consumption from the K bus is capped at 250 mA and the terminal can work with a current load of up to 10 A for power contacts. The wiring accommodates solid and flexible conductors with cross sections ranging from 0.08 mm² to 2.5 mm². This bus terminal has a protection rating of IP20 and weighs 100 g.

KL6904 Technical Specifications

Output Current:	0.5 A
Ex Marking:	ATEX: II 3 G Ex ec IIC T4 Gc, IECEx: Ex ec IIC T4 Gc
Connection Technology:	2-wire
Number Of Outputs:	4
Max. Output Current:	0.5 A/20 mA min.
Housing Material:	polycarbonate
Dimensions:	24 mm x 100 mm x 68 mm
Protocol:	TwinSAFE/Safety over EtherCAT
Fault Response Time:	≤ watchdog time (parameterizable)
Current Consumption Power Contacts:	load-dependent
Current Consumption K-bus:	max. 250 mA
Installation Position:	horizontal
Safety Standard:	DIN EN ISO 13849-1:2008 (Cat. 4, PL e) and EN 61508:2010 (SIL 3)
Weight:	approx. 100 g
Protection Rating:	IP20

Frequently Asked Questions about KL6904

Q: What safety standards does the Beckhoff KL6904 bus terminal comply with?

A: The KL6904 bus terminal complies with DIN EN ISO 13849-1:2008 (Category 4, PL e) and EN 61508:2010 (SIL 3). This ensures it meets the highest safety requirements in industrial automation.

Q: How many safe connections can the Beckhoff KL6904 support?

A: The KL6904 bus terminal can support up to 15 safe connections for safety-critical applications. It also handles up to 48 function blocks, providing versatility and adaptability for complex industrial processes.

Q: What is the cycle time range of the KL6904 bus terminal?

A: The cycle time of the KL6904 bus terminal ranges from 4 ms to 100 ms. This flexibility allows users to adapt the system according to the specific application requirements in industrial settings.

Q: What are the power and wiring specifications for the KL6904 bus terminal?

A: The KL6904 has a power consumption of 250 mA from the K bus and can handle up to 10 A for power contacts. It supports solid and flexible conductors with cross-sections ranging from 0.08 mm² to 2.5 mm².

Q: How compact is the housing of the KL6904 bus terminal?

A: The KL6904 features a polycarbonate housing measuring 24 mm x 100 mm x 68 mm, making it compact. It fits on a 35 mm DIN rail and supports side-by-side mounting for efficient space use.

Internal Product Review

‘‘The Beckhoff KL6904 Bus Terminal is an ideal solution for safety-critical industrial applications. Its support for up to 48 function blocks, compliance with SIL 3 standards, and flexible cycle times (4–100 ms) makes it a versatile choice for advanced automation systems. It is reliable and compact for DIN rail installation.’’