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KL4011 Beckhoff

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Internal Product Review

The Beckhoff KL4011 is an outstanding single-channel analog output terminal for industrial applications. It delivers 12-bit signal accuracy, fast 1.5 ms conversion, and operates with a 24 V DC supply. The electrical isolation of 500 V enhances system safety. KL4011 ensures dependable integration with industrial bus systems.

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Product Description:

The single channel analog output terminal KL4011 is designed to effectively process current signal. It belongs to the series of KL Analog Input Modules. It provides exceptional accuracy with a 12-bit resolution. It produces analog output signals between 0 and 20 mA. It incorporates a single-ended output configuration with electrical isolation rated at 500 V.

The KL4011 is manufactured by Beckhoff. It supports a maximum load capacity of less than 500 ohms. Output error is small with a variance of less than ±0.1 percent from the end value. Power is supplied via 24 V DC connections with the option of 15 V DC utilizing the KL9515 terminal. The KL4011's usual current usage is 30 mA + load on power connections. During operation the K-bus draws approximately 60 mA. Run LEDs mounted on this module offers real-time feedback on communication with the Bus Coupler. It works at a temperature between 0°C and 55°C and can be stored at temperature ranging from -25°C to +85°C safely. Solid flexible and ferrule connections are described for KL4011 wiring. It has an IP20 rating and offers variable installation placement. At 95 % relative humidity the KL4011 is reliable. ATEX II 3 G Ex ec IIC T4 Gc and IECEx Ex ec IIC T4 Gc are marking for explosion protection. The stripping lengths are 8 to 9 mm for KL designs and 9 to 10 mm for KS designs.

The Beckhoff KL4011 has a polycarbonate enclosure in both KL-12-8pin and KS-12-8pin models. Power connections guarantee dependable performance up to 10 A maximum current load. It fits in dimensions 12mm width, 100mm height and 68mm depth. The KL variant accommodates conductor cross-sections that ranges from 0.08 mm² to 2.5 mm².

Alternative supply
15 V DC (via terminal KL9515)
Approvals
CE, CCC, UL, ATEX, IECEx, DNV GL
Conversion time
~1.5 ms
K-bus consumption
60 mA typ.
Load resistance
<500 Ω
Number of outputs
1
Operating humidity
up to 95% non-condensing
Optional control/status width
8 bit
Output accuracy
±0.1% FS
Output signal
0…20 mA
Power contacts consumption
30 mA typ. + load
Process image output width
16 bit
Protection rating
IP20
Resolution
12 bit
Storage temp range
-25°C to +85°C
Supply voltage
24 V DC
Weight
approx. 80 g

Frequently Asked Questions about KL4011:

Q: How does the 500 V electrical isolation in KL4011 enhance operational safety?

A: The 500 V isolation in KL4011 protects internal circuits from voltage spikes and external faults. This helps prevent downtime and ensures the long-term reliability of industrial automation systems.

Q: Why is a 12-bit resolution important in the KL4011 analog output signal?

A: A 12-bit resolution in KL4011 allows finer granularity in current output control. It improves the accuracy of analog signals used for sensitive process control tasks.

Q: How does KL4011 benefit from using a single-ended output design?

A: The single-ended design of KL4011 simplifies wiring and reduces the cost of installation. It is suitable for applications where ground referencing is necessary for output signals.

Q: What role does the fast 1.5 ms conversion time play in KL4011 performance?

A: The 1.5 ms conversion time ensures that KL4011 responds quickly to output changes. This is crucial for dynamic systems requiring real-time analog adjustments.

Q: How does KL4011 improve system integration without requiring address settings?

A: KL4011 does not need manual address or configuration, reducing commissioning errors. It simplifies integration into complex bus systems and speeds up installation time.

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