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Documentation

KL2791

Single channel speed controller terminals for AC motors

2.0.0
2017-08-25

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Summary of Contents for KL2791 Series

Page 1: ...Documentation KL2791 Single channel speed controller terminals for AC motors 2 0 0 2017 08 25 Version Date...

Page 2: ......

Page 3: ...8 3 3 Notes on operation 20 4 Application examples overview 21 4 1 KL2791 0000 application example 21 4 2 KL2791 0011 application example 22 5 Configuration Software KS2000 23 5 1 KS2000 Introduction...

Page 4: ...Table of contents KL2791 4 Version 2 0 0...

Page 5: ...e data diagrams and descriptions in this documentation Trademarks Beckhoff TwinCAT EtherCAT Safety over EtherCAT TwinSAFE XFC and XTS are registered trademarks of and licensed by Beckhoff Automation G...

Page 6: ...iliar with the applicable national standards Description of symbols In this documentation the following symbols are used with an accompanying safety instruction or note The safety instructions must be...

Page 7: ...mentation KL2791 0000 KS2791 0000 KL2791 0011 KS2791 0011 KL2791 1200 Firmware Hardware Firmware Hardware 2 0 0 3A 05 1B 03 1 2 0 3A 05 1B 03 1 1 0 1B 03 1B 03 1 0 0 1A 00 1A 00 0 1 1A 00 The firmware...

Page 8: ...addition to energy conservation speed reduction offers noise reduction and increased motor service life The speed controller is extremely compact and is housed in a standard bus terminal with a width...

Page 9: ...e motors can be reduced simply The set values are specified via the process data The required output power is specified via a 16 bit representation 3 different setting modes are available Full wave co...

Page 10: ...ocess image 1 x 16 bit data 1 x 8 bit status Bit width in the output process image 1 x 16 bit data 1 x 8 bit control Configuration via the Bus Coupler or the controller Weight approx 60 g Permissible...

Page 11: ...th the mains on Terminal has synchronized itself with the mains ON green off Process data are zero on Process data are not zero Error red on A load side overcurrent was detected Synchronization with t...

Page 12: ...ieldbus Coupler Join the compo nents with tongue and groove and push the terminals against the mounting rail until the lock clicks onto the mounting rail If the Terminals are clipped onto the mounting...

Page 13: ...s The six spring contacts of the K Bus E Bus deal with the transfer of the data and the supply of the Bus Terminal electronics The power contacts deal with the supply for the field electronics and thu...

Page 14: ...0 mm from the group of terminals WARNING Risk of electric shock The PE power contact must not be used for other potentials 3 2 Connection 3 2 1 Connection system WARNING Risk of electric shock and dam...

Page 15: ...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 unchan...

Page 16: ...ion disassembly or wiring of the Bus Terminals Terminals for standard wiring ELxxxx KLxxxx and for pluggable wiring ESxxxx KSxxxx Fig 10 Connecting a cable on a terminal point Up to eight terminal poi...

Page 17: ...HD Terminals are connected without tools for single wire conductors using the direct plug in technique i e after stripping the wire is simply plugged into the terminal point The cables are released as...

Page 18: ...nd power contact for N Neutral conductor internally connected with terminal point 7 PE 4 Protective conductor internally connected with terminal point 8 and power contact for PE Protective conductor i...

Page 19: ...A Normally triggering of the fuse is therefore prevented The short circuit current flows for less than 0 5 ms and is switched on automatically After a short circuit was detected the KL2791 tries to sw...

Page 20: ...eading edge phase control In motors that are very dynamic full wave control can lead to unbalance The leading edge phase control operating mode is designed for such motors It ensures smooth operation...

Page 21: ...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 The example illustrat...

Page 22: ...ly designed for voltages up to 24 V and would be destroyed if 230 VAC 120 VAC was applied to their power contacts 4 2 KL2791 0011 application example WARNING Risk of injury through electric shock and...

Page 23: ...s Box Modules can be prepared before the commissioning phase Later on this configuration can be transferred to the terminal station in the commissioning phase by means of a download For documentation...

Page 24: ...es directly online The same high level dialogs and register access are available for this purpose as in the configuration phase The KS2000 offers access to the process images of the bus couplers and F...

Page 25: ...tation In the example shown this is a BK9000 Bus Coupler for Ethernet a KL9160 power feed terminal for 230 V with diagnostics a KL2791 speed controller terminal a KL9010 bus end terminal Fig 15 Displa...

Page 26: ...channel 1 of the KL2791 For the KL2791 the branches Register Settings and ProcData are displayed Register 27 permits direct access to the registers of the KL2791 Under Settings 28 you find dialog boxe...

Page 27: ...5 3 Register Under Register you can directly access the registers of the speed controller terminal The meaning of the register is explained in the register overview 34 The following picture shows the...

Page 28: ...active R32 0 35 Here you can activate user scaling default inactive Register values User offset R33 36 You can specify the offset for the user scaling here default 0 User gain R34 36 Here you can spe...

Page 29: ...after a short circuit at the load output The speed controller terminal features short circuit limitation The current is limited to approx 10 to 15 A Normally triggering of the fuse is therefore preve...

Page 30: ...a tree structure under ProcData Fig 19 ProcData The reading glasses mark the data that are currently graphically displayed in the History field Fig 20 History field The current input values are displ...

Page 31: ...them can have a direct effect on your automa tion application Only modify these output values if you are certain that the state of your equipment permits it and that there will be no risk to people o...

Page 32: ...ces values on even byte addresses Key SB Status byte CB Control byte DataIN input word DataOUT output word In process data mode the output word DataOUT controls the output power of the speed controlle...

Page 33: ...trol byte for register communication The control byte CB is located in the output image 32 and is transmitted from the controller to the terminal Bit CB 7 CB 6 CB 5 CB 4 CB 3 CB 2 CB 1 CB 0 Name RegAc...

Page 34: ...ter 0x7F80 32640dec R W RAM R16 35 Hardware version number e g 0x0000 e g 0dec R W EEPROM R17 reserved R28 reserved R29 Terminal type special version KL2791 0000 0x0000 0dec R ROM KL2791 0011 0x000B 1...

Page 35: ...version 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...

Page 36: ...e event of a fieldbus error The unit is 10 ms default 10dec 100 ms R37 Control value for timeout On This register specifies the light value that is output in the case of a fieldbus error and current p...

Page 37: ...eturns 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 ASCII code 0x41 represents the letter A Th...

Page 38: ...Byte 1 DataIN1 high byte Byte 2 DataIN1 low byte 0x9F 1001 1111bin 0x12 0x35 Explanation The terminal returns the value of the control byte as a receipt in the status byte The terminal returns the cu...

Page 39: ...yte 0 Status byte Byte 1 DataIN1 high byte Byte 2 DataIN1 low byte 0xA0 1010 0000bin 0x00 0x02 Explanation The terminal returns the value of the control byte as a receipt in the status byte The termin...

Page 40: ...components there Beckhoff Headquarters Beckhoff Automation GmbH Co KG Huelshorstweg 20 33415 Verl Germany Phone 49 0 5246 963 0 Fax 49 0 5246 963 198 e mail info beckhoff com Beckhoff Support Support...

Page 41: ...9 High Density Terminals 15 Fig 10 Connecting a cable on a terminal point 16 Fig 11 Pin assignment 18 Fig 12 KL2791 0000 application example 21 Fig 13 KL2791 0011 application example 22 Fig 14 KS2000...

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