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Specification & Description
| Specification | Description |
|---|---|
| Part Number | KL1404 |
| Manufacturer | Beckhoff |
| Input Channels | 4 |
| Nominal Voltage | 24 V DC (-15%/+20%) |
| Signal Voltage "0" | -3…+5 V (EN 61131-2, Type 1/3) |
| Signal Voltage "1" | 11…30 V (EN 61131-2, Type 3) |
| Signal Current "0" | 0…1.5 mA |
| Signal Current "1" | 2.0…2.5 mA |
| Input Filter | 3.0 ms |
| Current Consumption K-Bus | 3 mA typical |
| Electrical Isolation | 500 V eff (K-Bus/Field Voltage) |
| Width in Process Image | 4 Inputs |
| Configuration | No address or configuration setting required |
| Weight | Approx. 50 g |
| Operating/Storage Temperature | 0…+55 °C / -25…+85 °C |
| Relative Humidity | 95% non-condensing |
| Vibration/Shock Resistance | According to EN 60068-2-6/EN 60068-2-27/29 |
| EMC Immunity/Emission | According to EN 61000-6-2/EN 61000-6-4 |
| Protection Category/Installation Position | IP 20/any |
| Pluggable Wiring | Available for all KSxxxx terminals |
| Additional Information | Direct connection of four 2-wire sensors possible, four +24 V connection points available |
The Beckhoff KL1404 Digital Input Module is a compact and efficient solution designed to interface with binary 24 V DC control signals in industrial automation systems. This module features four input channels, each capable of detecting and transmitting digital signals to a higher-level control system with galvanic isolation for enhanced signal integrity.
Engineered for versatility, the KL1404 module is equipped with LED indicators that provide a clear visual representation of the signal state for each channel, simplifying diagnostics and monitoring. The input channels are designed to comply with EN 61131-2 Type 3 standards, ensuring compatibility with a wide range of industrial sensors and devices.
With its input filter of 3.0 ms, the KL1404 ensures reliable signal processing even in environments with electrical noise, making it suitable for a variety of applications. The module's low K-Bus current consumption of 3 mA typ. contributes to an energy-efficient operation.
The KL1404's robust design includes features such as a wide operating and storage temperature range of 0 to +55 °C and -25 to +85 °C, respectively, and a high relative humidity tolerance of 95% without condensation. It also meets vibration and shock resistance standards according to EN 60068-2-6/EN 60068-2-27/29, and electromagnetic compatibility (EMC) standards according to EN 61000-6-2/EN 61000-6-4.
With a compact width in the process image for four inputs and no need for address or configuration settings, the KL1404 module is easy to integrate into existing systems, offering a straightforward solution for expanding digital input capabilities. The module's IP 20 protection rating and flexible mounting orientation further enhance its adaptability to various installation requirements.
The Beckhoff KL1404 Digital Input Module is a reliable and user-friendly component that provides precise signal acquisition and contributes to the streamlined operation of automated processes.
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Frequently Asked Questions
What type of input does this Digital Input Module support?
The Beckhoff Digital Input Module supports 24 V DC binary control signals, which are galvanically isolated and transmitted to the automation system.
How many input channels does this module have?
This module contains four input channels.
Can you describe the signal voltage specifications for this module?
The signal voltage for '0' is -3 to +5 V, and for '1' it is 11 to 30 V, in accordance with EN 61131-2, Type 3 standards.
What is the signal current specification for this module?
The signal current for '0' is 0 to 1.5 mA, and for '1' it is 2.0 to 2.5 mA.
Does this module have an input filter, and if so, what is its duration?
Yes, the module has an input filter with a duration of 3.0 ms.
What is the power consumption of the K-Bus for this module?
The K-Bus typically consumes 3 mA of power.
Is there any configuration required for this module?
No, there is no address or configuration setting required for this module.
What are the environmental operating conditions for this module?
The operating temperature range is 0 to +55 °C, and the storage temperature range is -25 to +85 °C. It can handle relative humidity up to 95% without condensation.
What is the vibration and shock resistance of this module?
The module is resistant to vibration and shock in accordance with EN 60068-2-6/EN 60068-2-27/29.
What is the EMC immunity and emission for this module?
The module complies with EMC immunity and emission standards EN 61000-6-2/EN 61000-6-4.
What is the protection rating and installation position for this module?
The module has a protection rating of IP 20 and can be installed in any position.
Can this module be used with 2-wire sensors?
Yes, the module allows for the direct connection of four 2-wire sensors and includes four +24 V connection points.
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