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Access from the user program

KL5121

Version: 3.1.0

Sample 2

Writing of register 31 in the BK2000 with an intelligent terminal and the end terminal:

If the following bytes (user code word) are transferred from the controller to the terminal,

Byte

Byte 3

Byte 2

Byte 1

Byte 0

Name

DataOUT, low byte

DataOUT, high byte

Not used

Control byte

Value

0x35

0x12

0xXX

0xDF

the user code word is set and the terminal returns the register address with the bit 7 for register access as
acknowledgement.

Byte

Byte 3

Byte 2

Byte 1

Byte 0

Name

DataIN 1

DataIN 0

Not used

Status byte

Value

0x00

0x9F

5.6

Examples of Register Communication

The numbering of the bytes in the examples corresponds to the display without word alignment.

5.6.1

Example 1: reading the firmware version from Register 9

Output Data

Byte 0: Control byte

Byte 1: DataOUT1, high byte

Byte 2: DataOUT1, low byte

0x89 (1000 1001

bin

)

0xXX

Explanation:

• Bit 0.7 set means: Register communication switched on.

• Bit 0.6 not set means: reading the register.

• Bits 0.5 to 0.0 specify the register number 9 with 00 1001

bin

• The output data word (byte 1 and byte 2) has no meaning during read access. To change a register,

write the required value into the output word.

Input Data (answer of the bus terminal)

Byte 0: Status byte

Byte 1: DataIN1, high byte

Byte 2: DataIN1, low byte

0x89

0x33

0x41

Explanation:

• 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

◦ ASCII code 0x41 represents the letter A

The firmware version is thus 3A.

Содержание KL5121

Страница 1: ...Documentation KL5121 Incremental encoder interface with programmable Outputs 3 1 0 2020 02 17 Version Date...

Страница 2: ......

Страница 3: ...nnection 17 3 4 1 Connection system 17 3 4 2 Wiring 20 3 4 3 Shielding 21 3 5 ATEX Special conditions standard temperature range 21 3 6 ATEX Documentation 22 4 Configuration Software KS2000 23 4 1 KS2...

Страница 4: ...Table of content KL5121 4 Version 3 1 0...

Страница 5: ...tion of products that have already been supplied may be made on the basis of the data diagrams and descriptions in this documentation Trademarks Beckhoff TwinCAT EtherCAT EtherCAT G EtherCAT G10 Ether...

Страница 6: ...ained specialists in control automation and drive engineering who are familiar with the applicable national standards Description of instructions In this documentation the following instructions are u...

Страница 7: ...rinted on the side Syntax of the serial number Structure of the serial number WW YY FF HH WW week of production calendar week YY year of production FF firmware version HH hardware version Example with...

Страница 8: ...according to the table below If the information is shorter spaces are added to it The data under positions 1 to 4 are always available The following information is contained Item no Type of informatio...

Страница 9: ...ters that will replace all other serial number systems at Beckhoff in the long term e g batch designations on IO components previous serial number range for safety products etc The BTN will also be in...

Страница 10: ...upplied by an incremental encoder or a pulse generator and switches the outputs at predefined counter states The counter states can be transmitted to the terminal by the higher level automation device...

Страница 11: ...consumption via K bus typ 60 mA Bit width in process image input output 2 x 16 bit data 2 x 8 bit control status Weight approx 60 g Permissible ambient temperature range during operation 0 C 55 C Perm...

Страница 12: ...gate logic inputs and of the four outputs O1 O2 O3 and O4 Connections The KL5121 has 4 logical 24 V inputs and 4 logical 24 V outputs as well as 8 contacts for the 24 VDC supply of external devices A...

Страница 13: ...with highly insulating materials synthetic fibers plastic film etc Surroundings working place packaging and personnel should by grounded probably when handling with the devices Each assembly must be t...

Страница 14: ...lock clicks onto the mounting rail If the terminals are clipped onto the mounting rail first and then pushed together without tongue and groove the connection will not be operational When correctly a...

Страница 15: ...ents 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...

Страница 16: ...sting 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 For insulation testing disconnect the PE supply line...

Страница 17: ...on both sides of the mounting rail with a mechanical fixture e g an earth terminal or reinforced end clamp The maximum total extension of the terminal segment without coupler is 64 terminals 12 mm mo...

Страница 18: ...luggable connection level enables the complete wiring to be removed as a plug connector from the top of the housing for servicing The lower section can be removed from the terminal block by pulling th...

Страница 19: ...ors and conductors with a wire end sleeve can be inserted directly into the spring loaded terminal point without tools Wiring HD Terminals The High Density Terminals of the ELx8xx and KLx8xx series do...

Страница 20: ...t toggle 2 The wire can now be inserted into the round terminal opening without any force 3 The terminal point closes automatically when the pressure is released holding the wire securely and permane...

Страница 21: ...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 explosiv...

Страница 22: ...3 6 ATEX Documentation Notes about operation of the Beckhoff terminal systems in potentially explosive ar eas ATEX Pay also attention to the continuative documentation Notes about operation of the Be...

Страница 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...

Страница 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...

Страница 25: ...st to analog input and output terminals the KL5121 always also maps the control and status byte independently of the higher level fieldbus system BK2000 Lightbus Coupler With the BK2000 Lightbus Coupl...

Страница 26: ...ytes of output data Fig 14 Mapping for Interbus Coupler sample for KL5121 Other Bus Couplers and further information Further information about the mapping configuration of Bus Couplers can be found in...

Страница 27: ...ap themselves in the Bus Coupler depending on the parameters set 5 2 1 Standard format The KL5121 is mapped into the bus coupler depending on the set parameters The terminal always occupies memory spa...

Страница 28: ...at can be set Word alignment The terminal is positioned on a word limit in the Bus Coupler CB Control byte appears in the process image of the outputs SB Status byte appears in the process image of th...

Страница 29: ...EROM R31 Code word register variable R W RAM R32 Feature register 0x0000 R W SEEROM R33 Pulse duration Ti for channel 1 0x01F4 R W SEEROM R34 Rate time Tv for channel 1 0x1388 R W SEEROMR R35 Period T...

Страница 30: ...channel analog terminal has 4 register sets This structure is divided into the following areas Range Register number Process variables 0 to 7 Type register 8 to 15 Manufacturer parameters 16 to 30 Use...

Страница 31: ...d R15 Alignment bits RAM The alignment bits are used to place the analog terminal in the Bus Coupler on a byte boundary R16 to R30 Manufacturer parameter area SEEROM The manufacturer parameters are sp...

Страница 32: ...for 100 ms the outputs are reset Bit 5 1 1 workpiece encoder input latch is active 1 when there is a positive level at the enable input gate Bit 6 1 1 workpiece encoder input latch is active 1 when th...

Страница 33: ...n also be accessed Controller output data CT 0 Control byte 0 D0 0 D1 0 the terminal s input data word 0 Controller input data ST 0 Status byte 0 D0 0 D1 0 the terminal s output data word 0 Control by...

Страница 34: ...arily stored in the terminal s RAM Access to this data set is identical to access to the terminal s register set Controller output data CT 1 Control byte 1 D0 1 D1 1 input data word 1 of the terminal...

Страница 35: ...l 3 N M O 4 Switch value O channel 3 N M O 5 Switch value 1 channel 4 N M O P 4 Switch value P channel 4 5 5 2 Register communication Register access via process data exchange Bit 7 1 Register mode If...

Страница 36: ...re located in the following 2 data bytes The BK2000 is an exception here an unused data byte is inserted after the control or status byte and the register value is therefore placed on a word boundary...

Страница 37: ...ple 1 reading the firmware version from Register 9 Output Data Byte 0 Control byte Byte 1 DataOUT1 high byte Byte 2 DataOUT1 low byte 0x89 1000 1001bin 0xXX 0xXX Explanation Bit 0 7 set means Register...

Страница 38: ...de word 0x1235 for deactivating write protection Input Data answer of the bus terminal Byte 0 Status byte Byte 1 DataIN1 high byte Byte 2 DataIN1 low byte 0x9F 1001 1111bin 0xXX 0xXX Explanation The t...

Страница 39: ...fore changing the values Input data response from the Bus Terminal Byte 0 Status byte Byte 1 DataIN1 high byte Byte 2 DataIN1 low byte 0xA0 1010 0000bin 0xXX 0xXX Explanation The terminal returns a va...

Страница 40: ...ecify the register number 31 with 01 1111bin The output data word byte 1 and byte 2 contains 0x0000 for reactivating write protection Input Data answer of the bus terminal Byte 0 Status byte Byte 1 Da...

Страница 41: ...ckhoff components there Beckhoff Headquarters Beckhoff Automation GmbH Co KG Huelshorstweg 20 33415 Verl Germany Phone 49 5246 963 0 Fax 49 5246 963 198 e mail info beckhoff com Beckhoff Support Suppo...

Страница 42: ...sassembling of terminal 15 Fig 6 Power contact on left side 16 Fig 7 Standard wiring 18 Fig 8 Pluggable wiring 18 Fig 9 High Density Terminals 19 Fig 10 Connecting a cable on a terminal point 20 Fig 1...

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