KL2702

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The KL2702 is an I/O module with two make contact outputs and supports connection technology ranging from 2- to 4-wire configurations. Designed by Beckhoff as part of the KL Analog Input Modules, it operates within 0…55°C and provides nominal voltage of 0–230 V AC/DC. This module features a peak current of up to 1.5 A.

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Product Description:

The KL2702 Bus Terminal is a two channel solid state relay module. It features an electronic load relay technology. It ensures reliable switching with minimal wear. It is compact, efficient and ideal for industrial automation applications.

The KL2702 bus terminal operates using high power MOSFETs that allows robust switching without mechanical wear. The terminal supports both AC and DC voltages with a rotating field frequency from DC up to 100 Hz. It features a switch on delay of 320 µs and a switch off time between 5 to 8 ms. The bus terminal features integrated surge voltage protection that activates at 400 V AC to safeguard connected devices against overvoltage conditions. The protection circuitry limits transient spikes. Its leakage current in the OFF state is less than 1 mA. Switch off delay is precisely 6.2 ms that offers consistent performance. The bus terminal comes with two outputs and indicates their state through LEDs. The bus terminal features a 2 bit width for outputs in the process image that enables compact and efficient data handling. It operates without requiring manual address allocation or configuration settings. The terminal is constructed from high strength polycarbonate material. This provides excellent mechanical durability and resistance to impact, deformation and environmental stress.

The KL2702 bus terminal weighs approximately 55 grams that makes it lightweight for control cabinet installations. It operates within temperatures ranging from 0 °C to 55 °C. It can be stored safely in conditions between -25 °C and +85 °C. Its compact design measures 12 mm wide, 100 mm high and 68 mm deep. It fits securely on a 35 mm DIN rail according to EN 60715 standards with a locking mechanism.

Approvals
CE, CCC, UL, ATEX, IECEx, DNV GL
Connection Technology
2-/3-/4-wire
Contact Resistance
2.1 Ω typ., 3.2 Ω max.
Load Type
ohmic, inductive
Max. Output Current
0.3 A steady load per channel
Nominal Voltage
0…230 V AC/DC (DC…100 Hz)
Number Of Outputs
2 x make contacts
Operating Temperature
0…55°C
Peak Current
0.5 A (20 s), 1.5 A (100 ms)
Rotating Field Frequency
DC…100 Hz
Storage Temperature
-25…+85°C
Surge Voltage Protection
from 400 V AC
Switch-off Time
0.05…0.1 ms
Switch-on Time
4…6 ms

Frequently Asked Questions about KL2702:

Q: What are the voltage and current limits of the Beckhoff KL2702 bus terminal?

A: The Beckhoff KL2702 bus terminal switches up to 230 V AC/DC with a maximum load of 0.3 A per channel. It is suitable for both industrial and automation applications with reliable switching.

Q: How does the KL2702 Bus Terminal ensure reliable performance over time?

A: The KL2702 Bus Terminal uses high-power MOSFETs for robust switching. This eliminates mechanical wear and ensures long-lasting, dependable performance in industrial settings.

Q: What are the precise timing specifications for the KL2702?

A: The KL2702 features a switch-on delay of 320 µs and a switch-off time between 5 to 8 ms. This ensures quick and reliable operation with minimal switching time variations.

Q: How does the KL2702 handle surge protection and safety?

A: The Beckhoff KL2702 integrates surge voltage protection starting at 400 V AC. This enhances the terminal’s safety, especially in environments where voltage spikes are a concern.

Q: What are the mounting and installation requirements for the KL2702 bus terminal?

A: The KL2702 bus terminal is designed for easy side-by-side mounting. It uses a double slot and key connection system and fits securely on a 35 mm DIN rail.


Internal Product Review

  • ‘‘The Beckhoff KL2702 bus terminal offers superior reliability with its solid-state relay design and compact 12 mm width. Its precise 6.2 ms switch-off delay ensures stable operations. The lightweight 55 g build and double slot connection enable easy installation. High mechanical resistance and surge protection make it a dependable choice.’’

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