Beckhoff KS2542 Manual

Two channel output stage terminals for dc motors

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Documentation | EN
KL2542/KS2542
Two channel output stage terminals for DC motors
2022-01-14 | Version: 2.1.0

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Summary of Contents for Beckhoff KS2542

  • Page 1 Documentation | EN KL2542/KS2542 Two channel output stage terminals for DC motors 2022-01-14 | Version: 2.1.0...
  • Page 3: Table Of Contents

    Register overview .......................... 32 Register description ......................... 34 Examples of Register Communication .................... 39 5.5.1 Example 1: reading the firmware version from Register 9.......... 39 5.5.2 Example 2: Writing to an user register................ 39 6 Appendix .............................. 43 Support and Service ........................ 43 KL2542/KS2542 Version: 2.1.0...
  • Page 4 Table of contents Version: 2.1.0 KL2542/KS2542...
  • 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

    WW - week of production (calendar week) 49 - week of production 49 YY - year of production 05 - year of production 2005 FF - firmware version 1B - firmware version 1B HH - hardware version 03 - hardware version 03 KL2542/KS2542 Version: 2.1.0...
  • Page 8: Product Overview

    16-bit value. The output stage is protected against overload and short-circuit and is electrically isolated from the K-bus. Both channels indicate their state by LEDs, enabling fast on-the-spot diagnosis. A servo axis can easily be realized by connecting an incremental encoder. Version: 2.1.0 KL2542/KS2542...
  • Page 9: Technical Data

    Product overview Technical data Technical data KL2542 / KS2542 Number of DC motor output stages Load type DC brush motors, inductive Supply for the output stage via terminal points Rated load voltage 8 V to 48 V Output current per channel Rated current 3.5 A, peak current 5 A (short-circuit-proof,...
  • Page 10: Led Displays

    Channel 2 is enabled and is ready to operate. Warning (yellow) The internal temperature has risen to more than 80 °C, or the power supply voltage has dropped. Error B (red) There is an error at channel 2 Version: 2.1.0 KL2542/KS2542...
  • Page 11: 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. 3: Spring contacts of the Beckhoff I/O components KL2542/KS2542 Version: 2.1.0...
  • Page 12: Installation On Mounting Rails

    To mount the mounting rails with a height of 7.5 mm under the terminals and couplers, you should use flat mounting connections (e.g. countersunk screws or blind rivets). Version: 2.1.0 KL2542/KS2542...
  • Page 13: Fig. 5 Disassembling Of Terminal

    EL91xx, EL92xx) interrupt the power contacts and thus represent the start of a new supply rail. PE power contact The power contact labeled PE can be used as a protective earth. For safety reasons this contact mates first when plugging together, and can ground short-circuit currents of up to 125 A. KL2542/KS2542 Version: 2.1.0...
  • Page 14: Fig. 6 Power Contact On Left Side

    Power Feed Terminals can be released and pulled at least 10 mm from the group of terminals. WARNING Risk of electric shock! The PE power contact must not be used for other potentials! Version: 2.1.0 KL2542/KS2542...
  • Page 15: Connection

    Insert the new component and plug in the connector with the wiring. This reduces the installation time and eliminates the risk of wires being mixed up. The familiar dimensions of the terminal only had to be changed slightly. The new connector adds about 3 mm. The maximum height of the terminal remains unchanged. KL2542/KS2542 Version: 2.1.0...
  • Page 16: Wiring

    (ultrasonically welded) conductors. In this case, please note the tables concerning the wire-size width [} 17]! 3.3.2 Wiring 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! Version: 2.1.0 KL2542/KS2542...
  • Page 17: Fig. 10 Connecting A Cable On A Terminal Point

    Wire size width (fine-wire conductors) 0.25 ... 1.5 mm Wire size width (conductors with a wire end sleeve) 0.14 ... 0.75 mm Wire size width (ultrasonically “bonded" conductors) only 1.5 mm (see notice [} 16]) Wire stripping length 8 ... 9 mm KL2542/KS2542 Version: 2.1.0...
  • Page 18: Contact Assignment

    Digital input 2 (24 V The current counter value is saved as a reference mark in the latch register if bit CB.2 [} 30] is set in the control byte and a rising edge occurs at digital input 2. Version: 2.1.0 KL2542/KS2542...
  • Page 19: Disposal

    Products marked with a crossed-out wheeled bin shall not be discarded with the normal waste stream. The device is considered as waste electrical and electronic equipment. The national regulations for the disposal of waste electrical and electronic equipment must be observed. KL2542/KS2542 Version: 2.1.0...
  • Page 20: Ks2000 Configuration Software

    Fieldbus Box modules with the aid of which settings can be modified easily. Alternatively, you have full access to all internal registers of the bus couplers and intelligent terminals. Refer to the register description for the meanings of the registers. Version: 2.1.0 KL2542/KS2542...
  • Page 21: Parameterization With Ks2000

    Click on the Login button. The configuration software will now load the information for the connected fieldbus station. In the example shown, this is • a BK9000 Bus Coupler for Ethernet • a KL1xx2 Digital Input Terminal • a two-channel KL2542 DC motor output stage • a KL9010 bus end terminal KL2542/KS2542 Version: 2.1.0...
  • Page 22: Fig. 13 Display Of The Fieldbus Station In Ks2000

    For the KL2542, the branches Register, Settings and ProcData are displayed: • Register [} 26] permits direct access to the registers of the KL2542. • Under Settings [} 23] you find dialog boxes for parameterizing the KL2542. • ProcData [} 27] displays the KL2542 process data. Version: 2.1.0 KL2542/KS2542...
  • Page 23: Settings

    You can activate the user switch-on value [} 24]here (the default is inactive). Velocity control active (R32.15 [} 36]) Here you can deactivate the velocity control (default: active). I-controller active (R32.14 [} 36]) Here you can deactivate the I-controller (default: active). KL2542/KS2542 Version: 2.1.0...
  • Page 24 The I-component of the velocity control is attenuated towards the zero point. This register specifies the value from which the attenuation is activated. Maximum value for I-controller (R44 [} 38]) Here you can specify the maximum value for the I-component (default: 5%). Version: 2.1.0 KL2542/KS2542...
  • Page 25 (SB1.6 [} 30]=1 and R0.13 [} 34]=1). User offset (R33 [} 36]) You can specify the offset for the user-scaling here (default: 0). User gain (R34 [} 36]) Here you can specify the user scaling gain (default: 1). KL2542/KS2542 Version: 2.1.0...
  • Page 26: Register

    KS2000 Configuration Software Register You can access the registers of the KL2542 directly under Register. The meaning of the register is explained in the register overview [} 32]. Fig. 16: Register view in KS2000 Version: 2.1.0 KL2542/KS2542...
  • Page 27: Process Data

    The reading glasses mark the data that are currently graphically displayed in the History field. Fig. 18: History field The current input values are displayed numerically in the Value field. Fig. 19: Value field Output values can be modified through direct input or by means of the fader control. KL2542/KS2542 Version: 2.1.0...
  • Page 28: Fig. 20 Value Field

    Only modify these initial values if you are certain that the state of your equipment permits it, and that there will be no risk to people or to the machine! After pressing the Settings button you can set the format of the numerical display to hexadecimal, decimal or binary. Fig. 21: Settings Version: 2.1.0 KL2542/KS2542...
  • Page 29: Access From The User Program

    The KL2542 cannot be operated without control bytes, since the control bytes are required for en- abling the channels. Even if your Bus Coupler is set to compact process image, the KL2542 is rep- resented with its control bytes. KL2542/KS2542 Version: 2.1.0...
  • Page 30: Control And Status Byte

    The status byte 1 (SB1) is located in the input image [} 29], and is transmitted from terminal to the controller. SB1.7 SB1.6 SB1.5 SB1.4 SB1.3 SB1.2 SB1.1 SB1.0 Name RegAccess Error Warning Ready LatchData LatchValid SetPos Input E1 Ready Version: 2.1.0 KL2542/KS2542...
  • Page 31 - want to write with output data word DataOut [} 29]. Status byte 1 (in register communication) The status byte 1 (SB1) is located in the input image [} 29], and is transmitted from terminal to the controller. SB1.7 SB1.6 SB1.5 SB1.4 SB1.3 SB1.2 SB1.1 SB1.0 Name RegAccess R/W Reg. no. KL2542/KS2542 Version: 2.1.0...
  • Page 32: Register Overview

    1A R9 [} 35] ASCII Multiplex shift register 0x0130 Signal channels 0x0218 Minimum data length 0x1800 6144 Data structure 0x0004 reserved Alignment register 0x7F80 32640 Hardware version number e.g. 0x0000 e.g. 0 EEPROM R16 [} 36] reserved reserved Version: 2.1.0 KL2542/KS2542...
  • Page 33 R46 [} 38] maximum torque Time constant for limiting the rated motor 0x2710 10000 EEPROM R47 [} 38] current reserved reserved Internal parameters for current control 0x03E8 1000 EEPROM R62 [} 38] Internal parameters for current control 0x0064 EEPROM R63 [} 38] KL2542/KS2542 Version: 2.1.0...
  • Page 34: Register Description

    Torque (magnitude) [M] = 1 Control error [E] = 1 V Supply voltage ] = 1 V Countervoltage of the motor ] = 1 V Set velocity (set voltage, relative to the process data) ] = 1 V Version: 2.1.0 KL2542/KS2542...
  • Page 35 Register R9 contains the ASCII coding of the terminal's firmware version, e.g. 0x3141 = '1A'. The '0x31' corresponds here to the ASCII character '1', while the '0x41' represents the ASCII character 'A'. This value can not be changed. KL2542/KS2542 Version: 2.1.0...
  • Page 36 Here you can enter the user scaling offset, if user scaling is enabled (R32.0 [} 36]=1) (default: 0x0000). Examples: 0xFFFD 0xFFFE 0xFFFF 0x0000 0x0001 0x0002 Offset R34: User scaling - gain Here you can enter the user scaling gain, if user scaling is activated (R32.0 [} 36]=1) is (default 4096 Examples: Version: 2.1.0 KL2542/KS2542...
  • Page 37 R43: Inner window of the I component The I-component of the velocity control is reduced towards zero (default: 1 ). This register specifies the value from which the attenuation is activated. The unit is 1% (example: 1 = 1%). KL2542/KS2542 Version: 2.1.0...
  • Page 38 (default: 10,000 The unit is 1 ms (example: 10000 = 10 s). R62, R63: Internal parameters for current control These registers are used internally by the terminal for current control and must not be modified! Version: 2.1.0 KL2542/KS2542...
  • Page 39: Examples Of Register Communication

    0xDF (1101 1111 0x12 0x35 Explanation: • Bit 0.7 set means: Register communication switched on. • Bit 0.6 set means: writing to the register. • Bits 0.5 to 0.0 specify the register number 31 with 01 1111 KL2542/KS2542 Version: 2.1.0...
  • Page 40 • Bit 0.6 set means: writing to the register. • Bits 0.5 to 0.0 indicate register number 32 with 10 0000 • The output data word (byte 1 and byte 2) contains the new value for the feature register. Version: 2.1.0 KL2542/KS2542...
  • Page 41 • Bit 0.6 set means: writing to the register. • Bits 0.5 to 0.0 specify the register number 31 with 01 1111 • The output data word (byte 1 and byte 2) contains 0x0000 for reactivating write protection. KL2542/KS2542 Version: 2.1.0...
  • Page 42 • The terminal returns a value as a receipt in the status byte that differs only in bit 0.6 from the value of the control byte. • The input data word (byte 1 and byte 2) is of no importance after the write access. Any values still displayed are invalid! Version: 2.1.0 KL2542/KS2542...
  • Page 43: 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 44 Table of figures Fig. 1 KL2542 ............................Fig. 2 KL2542 - LED displays ........................ Fig. 3 Spring contacts of the Beckhoff I/O components................. Fig. 4 Attaching on mounting rail ......................Fig. 5 Disassembling of terminal......................Fig. 6 Power contact on left side......................
  • Page 46 More Information: www.beckhoff.com/KL2542 Beckhoff Automation GmbH & Co. KG Hülshorstweg 20 33415 Verl Germany Phone: +49 5246 9630 info@beckhoff.com www.beckhoff.com...

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