KL1408 Beckhoff
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MPN: KL1408-0000
The KL1408 is a lightweight analog input module weighing approximately 55 grams, equipped with 8 inputs and operating within a -25 to +60°C temperature range. Manufactured by Beckhoff as part of the KL Analog Input Modules series, it supports 1-wire connection technology and includes an IP20 protection rating.
Internal Product Review
The KL1408 Bus Terminal delivers efficient 8-channel digital input with a fast 3 ms input filter and robust 24 V DC operation. It features a compact 12 mm width and 500 V electrical isolation. The product supports side-by-side mounting and requires no address configuration. The bus terminal is ideal for modular control panels.
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Product Description:
The KL1408 from Beckhoff is a Bus Terminal that lets automation systems use 8 channels of digital input. The bus terminal is designed to receive binary 24 V DC control signals and transmit them to higher-level automation devices in a manner that does not impact the electrical connection. This enables the expansion of I/O in a modular and efficient manner.
The KL1408 bus terminal works with a nominal voltage of 24 V DC and a range of -15% to +20%. It has a 1-wire connection system that makes wiring easier. Each of the eight input channels has a 3-ms input filter that stops signal bounce from mechanical switches. The terminal is approved by EN 61131-2, type 1/3, and offers 500 V of electrical isolation between the K-bus and field potential. On the K-bus, the current use is about 5 mA, while the power contact current use is 2 mA plus load. The bus terminal has a double slot and key link that lets it be mounted next to each other. It is also made to be installed on a 35 mm DIN rail that meets EN 60715 standards and has a locking mechanism. The power contacts on the terminal can handle up to 10 A of current, and the wire needs a stripping length of 8–10 mm. The process image has 8 inputs, which is the same number of channels as its bit width. It can work without an address or setup settings.
The KL1408 bus terminal is only 12 mm wide, 100 mm tall, and 68 mm deep, which makes it small enough for placement on I/O panels with a lot of connections. The device has signal LEDs on each channel to make it easy to see what the signal state is. It weighs about 55 grams. The bus terminal works with solid, stranded, and ferrule wire, so it can handle different conductor cross-sections.
