Beckhoff KL26 Series. KS26 Series Documentation

Beckhoff KL26 Series. KS26 Series Documentation

Relais output terminals
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Documentation | EN
KL26xx/KS26xx
Relais Output Terminals
2021-08-25 | Version: 2.5.0

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Summary of Contents for Beckhoff KL26 Series. KS26 Series

  • Page 1 Documentation | EN KL26xx/KS26xx Relais Output Terminals 2021-08-25 | Version: 2.5.0...
  • Page 3: Table Of Contents

    Table of contents Table of contents 1 Foreword .............................. 5 Notes on the documentation...................... 5 Safety instructions .......................... 6 Documentation Issue Status...................... 7 Beckhoff Identification Code (BIC) .................... 8 2 Product overview............................. 10 KL2602-00x0, KL2622-00x0 - Introduction .................. 11 2.1.1 Technical data .........................  13 KL/KS2612 - Introduction ........................ 15 2.2.1...
  • Page 4 Table of contents Version: 2.5.0 KL26xx/KS26xx...
  • Page 5: Foreword

    , XTS and XPlanar are registered trademarks of and licensed by Beckhoff Automation GmbH. Other designations used in this publication may be trademarks whose use by third parties for their own purposes could violate the rights of the owners. Patent Pending...
  • Page 6: Safety Instructions

    All the components are supplied in particular hardware and software configurations appropriate for the application. Modifications to hardware or software configurations other than those described in the documentation are not permitted, and nullify the liability of Beckhoff Automation GmbH & Co. KG. Personnel qualification This description is only intended for trained specialists in control, automation and drive engineering who are familiar with the applicable national standards.
  • Page 7: Documentation Issue Status

    • Chapter Disposal added • Document structure updated • New title page 2.4.0 • Chapter Notes on ESD protection updated • Chapter Beckhoff Identification Code (BIC) added 2.3.0 • Technical data updated 2.2.0 • KL2634 added • Chapter Notes on ESD protection added •...
  • Page 8: Beckhoff Identification Code (Bic)

    Foreword Beckhoff Identification Code (BIC) The Beckhoff Identification Code (BIC) is increasingly being applied to Beckhoff products to uniquely identify the product. The BIC is represented as a Data Matrix Code (DMC, code scheme ECC200), the content is based on the ANSI standard MH10.8.2-2016.
  • Page 9 Example of composite information from item 1 to 4 and 6. The data identifiers are marked in red for better display: An important component of the BIC is the Beckhoff Traceability Number (BTN, item no. 2). The BTN is a unique serial number consisting of eight characters that will replace all other serial number systems at Beckhoff in the long term (e.g.
  • Page 10: Product Overview

    Product overview Product overview Terminal Chan- Nominal voltage Comment nels 250 V , 30 V Make contacts KL2602-0000, KS2602-0000 [} 11] 230 V Make contacts, contact-protecting switching of LED lamps KL2602-0010, KS2602-0010 [} 11] 125 V 30 V Changeover contacts KL2612-0000, KS2612-0000 [} 15] 250 V , 30 V Potential-free make contacts, without power contacts KL2622-0000, KS2622-0010 [} 11] 250 V...
  • Page 11: Kl2602-00X0, Kl2622-00X0 - Introduction

    Product overview KL2602-00x0, KL2622-00x0 - Introduction Fig. 2: KL2602-0000, KL2602-0010 – two-channel relay output terminals with power contacts KL2602-0000 / KS2602-0000 These terminals have two relays, each with a single contact, and can be used to switch mains voltage consumers up to 230 V .
  • Page 12: Fig. 3 Kl2622-0000, Kl2622-0010 - Two-Channel Relay Output Terminals

    Product overview Fig. 3: KL2622-0000, KL2622-0010 – two-channel relay output terminals KL2622-0000 / KS2622-0000 These terminals have two relays, each with a single contact, and can be used to switch mains voltage consumers up to 230 V . The relay contacts of the terminals are potential-free and are not connected to the power contacts.
  • Page 13: Technical Data

    Product overview 2.1.1 Technical data Technical data KL2602-0000, KS2602-0000 KL2622-0000, KS2622-0000 Number of outputs 2 make contacts for power 2 make contacts (potential-free) contact Contact material AgCdO Switching voltage max. 250 V / 30 V Switching current maximum 5 A Maximum switching capacity Alternating voltage: 5 A   250 V    1250 VA with ohmic load...
  • Page 14 Product overview Technical data KL2602-0010, KS2602-0010 KL2622-0010, KS2622-0010 Number of outputs 2 make contacts for power 2 make contacts contact Contact material Silver alloy (stationary contact gold-plated) Rated load voltage 230 V /30 V Load type ohmic, inductive, capacitive Switching current max. typ.
  • Page 15: Kl/Ks2612 - Introduction

    Product overview KL/KS2612 - Introduction Fig. 4: KL2612 – two-channel relay output terminal with changeover contacts Controlled by the automation device, the KL/KS2612 relay output terminals switch two relays, each with a single changeover contact. They are equipped with potential-free contacts. The signal status of the relay is displayed by an LED.
  • Page 16: Technical Data

    Product overview 2.2.1 Technical data Technical data KL2612, KS2612 Number of outputs 2 x change-over Contact material Gold-plated silver alloy Nominal voltage 125 V  / 30 V Load type ohmic Max. output current 2 A per channel Maximum switching capacity Alternating voltage: 0.5 A / 125 V with ohmic load Direct voltage: 2 A / 30 V Minimum permitted load (guide value)
  • Page 17: Kl/Ks2631 - Introduction

    Product overview KL/KS2631 - Introduction Fig. 5: KL2631 – single-channel relay output terminal 400 V , 300 V The KL/KS2631 relay output terminals have a relay with a single contact, which is connected to the power contacts (usable up to 400 V ) and can be used universally to switch mains voltage consumers. The signal state of the Bus Terminal is indicated by an LED.
  • Page 18: Technical Data

    Product overview 2.3.1 Technical data Technical data KL2631, KS2631 Number of outputs 1 make contact for power contact Nominal voltage 400 V  / 300 V DC switching capacity 300 V = 0.15 A; 24 V = 5 A; non-linear AC switching capacity 1500 VA Min. switching voltage Power contact Load type ohmic, inductive, lamp load Output current...
  • Page 19: Kl2634-0000 - Introduction

    Product overview KL2634-0000 - Introduction Fig. 6: KL2634 – four-channel relay output terminal The KL/KS2634 output terminal (4 make contacts) has four relays, each with a single contact. The signal status of the Bus Terminal is displayed by an LED. The terminal is equipped with potential-free contacts; the power contacts L and N are not passed through.
  • Page 20: Technical Data

    Product overview 2.4.1 Technical data Technical data KL2634, KS2634 Number of outputs 4 make contacts (potential-free) Contact material Silver alloy (stationary contact gold-plated) Rated load voltage 250 V /30 V Load type ohmic, inductive Ohmic switching current typ. 4 A AC/DC per channel Inductive switching current typ.
  • Page 21: Kl2641 - Introduction

    Product overview KL2641 - Introduction Fig. 7: KL2641 – single-channel relay output terminal, 230 V , 16 A, bistable, manual operation The KL2641 output terminal has a relay with a single contact, which can be used universally for the switching of mains voltage consumers. The relay can optionally be switched in manual or automatic mode. The switch for the manual operation always indicates the switching state of the relay.
  • Page 22: Fig. 8 Kl2641

    Product overview Operation modes • MANUAL: The coil control is interrupted. The relay is actuated only with the red manual operation switch • AUTO: Actuation of the relay via the controller. Manual state changes via the red manual operation switch are reset by the controller after less than 500 ms.
  • Page 23: Technical Data

    Product overview 2.5.2 Technical data Technical data KL2641 Number of outputs 1 make contact, potential-free Nominal voltage 230 V (max. switching voltage 440 V Switching capacity max. 5 kVA Switching voltage max. 440 V (UL: max. 230 V Load type ohmic, inductive, lamp load Max. output current 16 A Switching current max.
  • Page 24: Mounting And Wiring

    • Surroundings (working place, packaging and personnel) should by grounded probably, when handling with the devices. • Each assembly must be terminated at the right hand end with a KL9010 bus end terminal, to ensure the protection class and ESD protection. Fig. 9: Spring contacts of the Beckhoff I/O components Version: 2.5.0 KL26xx/KS26xx...
  • Page 25: Installation On Mounting Rails

    Mounting and wiring Installation on mounting rails WARNING Risk of electric shock and damage of device! Bring the bus terminal system into a safe, powered down state before starting installation, disassembly or wiring of the bus terminals! Assembly Fig. 10: Attaching on mounting rail The bus coupler and bus terminals are attached to commercially available 35 mm mounting rails (DIN rails according to EN 60715) by applying slight pressure: 1.
  • Page 26: Fig. 11 Disassembling Of Terminal

    Mounting and wiring Disassembly Fig. 11: Disassembling of terminal Each terminal is secured by a lock on the mounting rail, which must be released for disassembly: 1. Pull the terminal by its orange-colored lugs approximately 1 cm away from the mounting rail. In doing so for this terminal the mounting rail lock is released automatically and you can pull the terminal out of the bus terminal block easily without excessive force.
  • Page 27: Fig. 12 Power Contact On Left Side

    Mounting and wiring Fig. 12: Power contact on left side NOTE Possible damage of the device Note that, for reasons of electromagnetic compatibility, the PE contacts are capacitatively coupled to the mounting rail. This may lead to incorrect results during insulation testing or to damage on the terminal (e.g. disruptive discharge to the PE line during insulation testing of a consumer with a nominal voltage of 230 V).
  • Page 28: Connection

    Mounting and wiring Connection 3.3.1 Connection system WARNING Risk of electric shock and damage of device! Bring the bus terminal system into a safe, powered down state before starting installation, disassembly or wiring of the bus terminals! Overview The bus terminal system offers different connection options for optimum adaptation to the respective application: •...
  • Page 29: Wiring

    Mounting and wiring A tab for strain relief of the cable simplifies assembly in many applications and prevents tangling of individual connection wires when the connector is removed. Conductor cross sections between 0.08 mm and 2.5 mm can continue to be used with the proven spring force technology.
  • Page 30: Fig. 15 High Density Terminals

    Mounting and wiring Terminals for standard wiring ELxxxx/KLxxxx and for pluggable wiring ESxxxx/KSxxxx Fig. 16: Connecting a cable on a terminal point Up to eight terminal points enable the connection of solid or finely stranded cables to the bus terminal. The terminal points are implemented in spring force technology.
  • Page 31: Kl/Ks2602 - Connection And Leds

    Mounting and wiring 3.3.3 KL/KS2602 – connection and LEDs WARNING Risk of injury through electric shock and damage to the device! Bring the Bus Terminal system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals! NOTE Risk of device damage! Note that the use of potential separation terminals (e.g., KL9080) is necessary when planning the Bus Ter-...
  • Page 32: Kl/Ks2622 - Connection And Leds

    Mounting and wiring 3.3.4 KL/KS2622 – connection and LEDs WARNING Risk of injury through electric shock and damage to the device! Bring the Bus Terminal system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals! Fig. 18: KL2622-0000, KL2622-0010 –...
  • Page 33 Mounting and wiring KL/KS2622-0000, KL/KS2622-0010 – LED displays Color State Meaning Signal1, green Contacts 1-2 (channel 1) or 5-6 (channel 2) not connected, i.e. no output voltage at Output Signal2 1 or Output 2 Contacts 1-2 (channel 1) or 5-6 (channel 2) connected, i.e. output voltage (≤ 230 V or ≤...
  • Page 34: Kl/Ks2612 - Connection And Leds

    Mounting and wiring 3.3.5 KL/KS2612 – connection and LEDs WARNING Risk of injury through electric shock and damage to the device! Bring the Bus Terminal system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals! Fig. 19: KL2612-0000 –...
  • Page 35: Kl/Ks2631 - Connection And Leds

    Mounting and wiring 3.3.6 KL/KS2631 – connection and LEDs WARNING Risk of injury through electric shock and damage to the device! Bring the Bus Terminal system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals! NOTE Risk of device damage! Note that the use of potential separation terminals (e.g., KL9080) is necessary when planning the Bus Ter-...
  • Page 36: Kl/Ks2634 - Connection And Leds

    Mounting and wiring 3.3.7 KL/KS2634 – connection and LEDs WARNING Risk of injury through electric shock and damage to the device! Bring the Bus Terminal system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals! Fig. 21: KL2634-0000 –...
  • Page 37: Kl2641-0000 - Connection And Leds

    Mounting and wiring 3.3.8 KL2641-0000 – connection and LEDs WARNING Risk of injury through electric shock and damage to the device! Bring the Bus Terminal system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals! NOTE Risk of device damage! Note that the use of potential separation terminals (e.g., KL9080) is necessary when planning the Bus Ter-...
  • Page 38: Atex - Special Conditions (Standard Temperature Range)

    80°C at the wire branching points, then cables must be selected whose tempera- ture data correspond to the actual measured temperature values! • Observe the permissible ambient temperature range of 0 to 55°C for the use of Beckhoff fieldbus compo- nents standard temperature range in potentially explosive areas! •...
  • Page 39: Atex - Special Conditions (Extended Temperature Range)

    80°C at the wire branching points, then cables must be selected whose tempera- ture data correspond to the actual measured temperature values! • Observe the permissible ambient temperature range of -25 to 60°C for the use of Beckhoff fieldbus com- ponents with extended temperature range (ET) in potentially explosive areas! •...
  • Page 40: Continuative Documentation For Atex And Iecex

    IECEx Pay also attention to the continuative documentation Ex. Protection for Terminal Systems Notes on the use of the Beckhoff terminal systems in hazardous areas according to ATEX and IECEx that is available for download on the Beckhoff homepage www.beckhoff.com!
  • Page 41: Commissioning

    Commissioning Commissioning Use of the relay terminals NOTE Smooth operation It is extremely important to observe the technical specifications if fault-free operation of the relay terminal is to be guaranteed. Every exceedance of the factors specified in the technical data can lead to premature contact ageing or even welding.
  • Page 42: Kl26X2, Kl2634 - Service Life

    Commissioning 4.1.2 KL26x2, KL2634 – service life CAUTION Observe the maximum values! It is the maximum values that are to be expected that are critical to selection of the right terminal rather than the technical figures for normal operation! Fig. 24: KL26x2, KL2634 – characteristic curves (does not apply to KL26x2-0010) For the -0010 variants applies The relays internally of these terminals would be switched near to the zero voltage crossing of an AC supply.
  • Page 43: Notes On Contact-Protecting Switching Of The El26X2-0010/ Kl26X2-0010 Terminals

    Commissioning Notes on contact-protecting switching of the EL26x2-0010/ KL26x2-0010 terminals In order to minimize starting currents in the form of capacitive loads in electronic ballasts, it is possible to switch on loads at the time when the mains voltage zero crossing occurs. To this end this Bus Terminal features continuous zero crossing detection for frequencies between 45 Hz and 65 Hz.
  • Page 44: Appendix

    Please contact your Beckhoff branch office or representative for local support and service on Beckhoff products! The addresses of Beckhoff's branch offices and representatives round the world can be found on her internet pages: https://www.beckhoff.com You will also find further documentation for Beckhoff components there.
  • Page 45 Fig. 7 KL2641 – single-channel relay output terminal, 230 VAC, 16 A, bistable, manual operation..Fig. 8 KL2641 ............................Fig. 9 Spring contacts of the Beckhoff I/O components................. Fig. 10 Attaching on mounting rail ......................Fig. 11 Disassembling of terminal......................Fig. 12 Power contact on left side......................
  • Page 47 More Information: www.beckhoff.com/KL2xxx Beckhoff Automation GmbH & Co. KG Hülshorstweg 20 33415 Verl Germany Phone: +49 5246 9630 info@beckhoff.com www.beckhoff.com...

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