Beckhoff KS3222 Documentation

2 channel accurate input terminals for pt100 (rtd)
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Documentation | EN
KL3222/KS3222
2 Channel Accurate Input Terminals for PT100 (RTD)
2022-05-04 | Version: 2.4.0

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Summary of Contents for Beckhoff KS3222

  • Page 1 Documentation | EN KL3222/KS3222 2 Channel Accurate Input Terminals for PT100 (RTD) 2022-05-04 | Version: 2.4.0...
  • Page 3: Table Of Contents

    Examples of Register Communication ....................  36 5.5.1 Example 1: reading the firmware version from Register 9 .......... 36 5.5.2 Example 2: Writing to an user register ................ 37 6 Appendix .............................. 40 Beckhoff Identification Code (BIC) .................... 40 Support and Service........................ 42 KL3222/KS3222 Version: 2.4.0...
  • Page 4 Table of contents Version: 2.4.0 KL3222/KS3222...
  • 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 Versions

    • Chapter “Disposal” added • New title page • Revision status updated 2.3.0 • Update chapter “Instructions for ESD protection” • Chapter “Beckhoff Identification Code (BIC) added 2.2.0 • Update chapter “Introduction” • Update chapter “Technical data” • Update chapter “Register description”...
  • Page 8: Product Overview

    The Bus Terminal's standard settings are: Resolution 0.01 °C in the temperature range of PT100 sensors in 4-wire connection technology. The two Run LEDs indicate data exchange with the Bus Coupler, the error LEDs show sensor faults (e.g. broken wire). Version: 2.4.0 KL3222/KS3222...
  • Page 9: Technical Data

    Product overview Technical data Technical data KL3222, KS3222 Inputs Sensor types PT100, PT200, PT500, PT1000, Ni100, Ni120, Ni1000, resistance measurement (e.g. potentiometer connection, 10 Ω...1.2/5 kΩ), KTY Connection technology 4-wire (2/3-wire possible, see below) Measuring range Pt sensors -200…+850 °C Ni sensors -60…+250 °C...
  • Page 10 • the falsifying lead resistance should be entered in R38. The firmware subtracts this lead resis- tance from the measured resistance in order to determine a corrected temperature. This calcula- tion of R38 is active in all 3 modes 2/3/4-wire of R32. Version: 2.4.0 KL3222/KS3222...
  • 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. 2: Spring contacts of the Beckhoff I/O components KL3222/KS3222 Version: 2.4.0...
  • 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: 2.4.0 KL3222/KS3222...
  • Page 13: Fig. 4 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. KL3222/KS3222 Version: 2.4.0...
  • Page 14: Fig. 5 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: 2.4.0 KL3222/KS3222...
  • Page 15: Installation Instructions For Enhanced Mechanical Load Capacity

    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. KL3222/KS3222 Version: 2.4.0...
  • Page 16: 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. Version: 2.4.0 KL3222/KS3222...
  • Page 17: Wiring

    (ultrasonically welded) conductors. In this case, please note the tables concerning the wire-size width [} 18]! 3.5.2 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! KL3222/KS3222 Version: 2.4.0...
  • Page 18: Fig. 9 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 [} 17]) Wire stripping length 8 ... 9 mm Version: 2.4.0 KL3222/KS3222...
  • Page 19: Shielding

    Risk of injury through electric shock and damage to the device! Bring the Bus Terminals system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals! Fig. 10: KL3222 - Contact assignment KL3222, KS3222 Terminal point Connection for Channel 1: +R...
  • Page 20: 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 21: Continuative Documentation For Atex And 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 within the download area of your product on the Beckhoff homepage www.beckhoff.com!
  • Page 22: Configuration Software Ks2000

    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: 2.4.0 KL3222/KS3222...
  • Page 23 • Process values can be specified in the output image for commissioning of the output modules. All possibilities in the online mode can be used in parallel with the actual fieldbus mode of the terminal station. The fieldbus protocol always has the higher priority in this case. KL3222/KS3222 Version: 2.4.0...
  • Page 24: Parameterization With Ks2000

    The right-hand KS2000 window contains a graphic display of the fieldbus station terminals. In the tree structure of the left-hand window, click on the plus-sign next to the terminal whose parameters you wish to change (item 2 in the example). Version: 2.4.0 KL3222/KS3222...
  • Page 25: Settings

    • The dialog mask for the parameterization of the KL3222 can be found under Settings [} 25]. • ProcData displays the KL3222 process data. Settings The dialog mask for parameterization the KL3222/KS3222 can be found under Settings. Fig. 14: Settings via KS2000 Operation mode Here you can •...
  • Page 26 • RTD_RES64 • RTD_KTSIEMENS2K • KTY81110 • KTY81121 • KTY81122 • KTY81151 • KTY81221 • KTY81210 • KTY81221 • KTY81222 • KTY81251 • KTY81252 • KTY83110 • KTY83121 • KTY83122 • KTY83151 • KTY83152 • KTY84130 • KTY84151 Version: 2.4.0 KL3222/KS3222...
  • Page 27: Sample Program For Register Communication Via Ethercat On Kl3314 Exemplary

    This example program (TwinCAT 3) provides change of single register values of the KL3314 as selection of the element type, characteristical settings of the feature register R32 and user scaling offset and gain (R33/ R34) similar as per KS2000. KL3222/KS3222 Version: 2.4.0...
  • Page 28: Fig. 15: Settings Of Kl3314 Via Visualization Of Twincat 3

    Preparations for starting the sample programs (tnzip file / TwinCAT 3) • Click on the download button to save the Zip archive locally on your hard disk, then unzip the *.tnzip archive file in a temporary folder. Fig. 16: Opening the *. tnzip archive Version: 2.4.0 KL3222/KS3222...
  • Page 29: Fig. 17 Search Of The Existing Hw Configuration For The Ethercat Configuration Of The Example

    “Change NetId...” have to be selected. The first four numbers of the NetId of the target computer must be entered; both last values are 4.1 usually. Example: ◦ NetId of project:       myComputer (123.45.67.89.1.1) ◦ Entry via „Change NetId...“:     123.45.67.89.4.1 KL3222/KS3222 Version: 2.4.0...
  • Page 30: Access From The User Program

    Access from the user program Process image Complete process image The KL3222/KS3222 is represented in the complex process image with 6 bytes of input data and 2 bytes of output data. These are organized as follows: Byte offset (without word Byte offset (with word align-...
  • Page 31: Control And Status Bytes

    SB1.0 Name RegAccess Error Overrange Underrange Name Description SB1.7 RegAccess Acknowledgment for process data mode SB1.6 Error General error bit SB1.5 .. reserved . SB1.2 SB1.1 Overrange Process data too large SB1.0 Underrange 1 Process data too small KL3222/KS3222 Version: 2.4.0...
  • Page 32: Register Communication

    SB1.5 SB1.4 SB1.3 SB1.2 SB1.1 SB1.0 Name RegAccess R/W Reg. no. Name Description SB1.7 RegAccess 1 Acknowledgment for register access SB1.6 Read access SB1.5 to Reg. no. Number of the register that was read or written. SB1.0 Version: 2.4.0 KL3222/KS3222...
  • Page 33: Register Overview

    0x0000 0dec R31 [} 34] Feature register 0x0000 0dec SEEPROM R32 [} 35] User scaling: Offset 0x0000 SEEPROM R33 [} 36] User scaling: Gain 0x0100 SEEPROM R34 [} 36] Filter 0x0000 SEEPROM R37 [} 36] reserved 0x0000 SEEPROM reserved reserved 0x0000 SEEPROM KL3222/KS3222 Version: 2.4.0...
  • Page 34: Register Description

    (0x1235) in the code word register, these values are stored in the RAM registers and in the SEEPROM registers and are therefore retained if the terminal is restarted. The code word is reset if the terminal is restarted. • Feature register (R32) The feature register specifies the terminal's operation mode. Version: 2.4.0 KL3222/KS3222...
  • Page 35 Siemens format not active Siemens format active R32.3 reserved R32.2 Watchdog Watchdog not active Watchdog active R32.1 enManScal Manufacturer scaling is not active Manufacturer scaling is active R32.0 enUsrScal User scaling is not active User scaling is active KL3222/KS3222 Version: 2.4.0...
  • Page 36: Examples Of Register Communication

    • The terminal returns the value of the control byte as a receipt in the status byte. • The terminal returns the firmware version 0x3341 in the input data word (byte 1 and byte 2). This is to be interpreted as an ASCII code: ◦ ASCII code 0x33 represents the digit 3 Version: 2.4.0 KL3222/KS3222...
  • Page 37: Example 2: Writing To An User Register

    • The output data word (byte 1 and byte 2) has no meaning during read access. Input Data (answer of the Bus Terminal) Byte 0: Status byte Byte 1: DataIN1, high byte Byte 2: DataIN1, low byte 0x9F (1001 1111 0x12 0x35 KL3222/KS3222 Version: 2.4.0...
  • Page 38 • The output data word (byte 1 and byte 2) has no meaning during read access. Input Data (answer of the Bus Terminal) Byte 0: Status byte Byte 1: DataIN1, high byte Byte 2: DataIN1, low byte 0xA0 (1010 0000 0x00 0x02 Version: 2.4.0 KL3222/KS3222...
  • Page 39 • 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! KL3222/KS3222 Version: 2.4.0...
  • Page 40: Appendix

    Appendix 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 41: Fig. 19 Example Dmc 1P072222Sbtnk4P562D71Kel1809 Q1 51S678294

    Fig. 19: Example DMC 1P072222SBTNk4p562d71KEL1809 Q1 51S678294 An important component of the BIC is the Beckhoff Traceability Number (BTN, position 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 42: Support And Service

    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 43 Table of figures Table of figures Fig. 1 KL3222............................Fig. 2 Spring contacts of the Beckhoff I/O components ................. Fig. 3 Attaching on mounting rail......................Fig. 4 Disassembling of terminal ......................Fig. 5 Power contact on left side ......................Fig. 6 Standard wiring ..........................
  • Page 45 More Information: www.beckhoff.com/KL3222 Beckhoff Automation GmbH & Co. KG Hülshorstweg 20 33415 Verl Germany Phone: +49 5246 9630 info@beckhoff.com www.beckhoff.com...

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