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Access from the user program

KL3102, KL3112, KL3122

42

Version: 3.2

5.5.2

Register communication

Register access via process data exchange

•

Bit 7=1: Register mode

If bit 7 of the control byte is set, the first two bytes of the user data are not used for process data
exchange but written into the register set of the terminal or read from it.

•

Bit 6=0: read, bit 6=1: write

Bit 6 of the control bytes is used to specify whether a register should be read or written.

◦

Bit 6=0

: a register is read without changing it. The value can be found in the input process image.

◦

Bit 6=1

: the user data are written to a register. The process is complete once the status byte in the

input process image has returned an acknowledgment (see example).

•

Bit 0 to 5: Address

The address of the register to be addressed is entered in bits 0 to 5 of the control byte.

Control byte in register mode (REG=1)

MSB

REG=1

W/R

A5

A4

A3

A2

A1

A0

REG = 0

bin

: Process data exchange

REG = 1

bin

: Access to register structure

W/R = 0

bin

: Read register

W/R = 1

bin

: Write register

A5..A0 = register address
Addresses A5...A0 can be used to address a total of 64 registers.

Fig. 22: Register mode control byte

The control or status byte occupies the lowest address of a logical channel. The corresponding register
values are 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).

Example 1:
Reading of register 8 in the BK2000 with a KL3102 and the end terminal:

If the following bytes are transferred from the controller to the terminal,

Содержание KL3102

Страница 1: ...Documentation KL3102 KL3112 KL3122 Dual Channel Analog Input Terminals 10 V to 10 V 0 4 mA to 20 mA 3 2 2019 10 15 Version Date...

Страница 2: ......

Страница 3: ...nection system 20 3 4 2 Wiring 23 3 4 3 Shielding 24 3 5 KL3102 Connection and LED description 25 3 6 KL3112 KL3122 Connection and LED description 26 3 7 ATEX Special conditions standard temperature r...

Страница 4: ...Table of contents KL3102 KL3112 KL3122 4 Version 3 2...

Страница 5: ...dification 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...

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

Страница 7: ...mware Hardware Firmware Hardware 3 1 3B 09 3B 05 3B 05 3 0 3B 09 3B 05 3B 05 The firmware and hardware versions delivery state of the terminal can be found in the serial number printed on the side Syn...

Страница 8: ...ength 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 info...

Страница 9: ...characters 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...

Страница 10: ...n Fig 2 KL3102 Two channel analog input terminal 10 V 10 V The analog input terminal KL3102 processes signals in the range of 10 V to 10 V The voltage is digitized to a resolution of 16 bits and is tr...

Страница 11: ...typically 65 mA Bit width in the K bus I O Input 2 x 16 bits of data 2 x 8 bits control status optional Configuration No address or configuration settings Weight approx 70 g Dimensions W x H x D appro...

Страница 12: ...of 16 bits default 15 bits and is transmitted in an electrically isolated form to the higher level automation device The input channels of the Bus Terminals have differential inputs and possess a comm...

Страница 13: ...voltage Current consumption K bus typically 60 mA Bit width in the K bus I O Input 2 x 16 bits of data 2 x 8 bits control status optional Configuration No address or configuration settings Weight app...

Страница 14: ...ss data In the delivery state the process data are shown in two s complement form integer 1 corresponds to 0xFFFF Other presentation types can be selected via the feature register R32 38 e g signed am...

Страница 15: ...A_w Y_1 Y_aus Y_2 1 3 1 4 Manufacturer and user scaling active Key Name Designation Register X_adc Output value of the A D converter Y_aus Process data for controller B_a Vendor calibration Offset R1...

Страница 16: ...ntact 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 mus...

Страница 17: ...il the 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 corre...

Страница 18: ...components 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 electronic...

Страница 19: ...ion 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 For insulation testing disconnect the PE supply...

Страница 20: ...egment 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...

Страница 21: ...s The pluggable 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 pul...

Страница 22: ...nductors 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 HD Terminals of the ELx8xx and KLx8xx s...

Страница 23: ...ly don 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 p...

Страница 24: ...5 mm2 Wire size width fine wire conductors 0 25 1 5 mm2 Wire size width conductors with a wire end sleeve 0 14 0 75 mm2 Wire size width ultrasonically bonded conductors only 1 5 mm2 Wire stripping le...

Страница 25: ...oint No Comment Input 1 1 Input 1 Input 1 2 Input 1 GND 3 Internal ground internally connected to terminal point 7 Shield 4 PE contact internally connected to terminal point 8 Input 2 5 Input 2 Input...

Страница 26: ...ut 1 GND 3 Internal ground internally connected to terminal point 7 Shield 4 PE contact internally connected to terminal point 8 Input 2 5 Input 2 Input 2 6 Input 2 GND 7 Internal ground internally co...

Страница 27: ...he rated operating voltage being exceeded by more than 40 due to short term interference voltages The individual terminals may only be unplugged or removed from the Bus Terminal system if the supply v...

Страница 28: ...of the Beckhoff terminal systems in potentially explosive ar eas ATEX Pay also attention to the continuative documentation Notes about operation of the Beckhoff terminal systems in potentially explos...

Страница 29: ...ieldbus 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 document...

Страница 30: ...protocol always has the higher priority in this case 4 2 Sample program for KL register communication via EtherCAT on KL3314 exemplary Using the sample programs This document contains sample applicat...

Страница 31: ...oupler e g BK1120 or embedded PC KL3314 KL9010 Download https infosys beckhoff com content 1033 kl3102_kl3112_kl3122 Resources zip 5996114571 zip Preparations for starting the sample programs tnzip fi...

Страница 32: ...AT configuration of the example Checking NetId the EtherCAT tab of the EtherCAT device shows the configured NetId The first 4 numbers have to be identical with the project NetId of the target system T...

Страница 33: ...addition to the data bytes This is always located in the low byte at the offset address of the terminal channel Fig 19 Mapping in the Lightbus Coupler Example for KL3102 KL3112 KL3122 BK3000 Profibus...

Страница 34: ...ion software can be used for parameterizations via the serial interface of the Bus Coupler independent of the fieldbus system 5 2 Mapping in the Bus Coupler As already described in the Terminal Config...

Страница 35: ...pler and Bus Terminal Controller BCxxxx BXxxxx Conditions Word offset High byte Low byte Complete evaluation yes Motorola format no Word alignment yes 0 Res Ch1 CB SB 1 Ch1 D1 Ch1 D0 2 Res Ch2 CB SB 3...

Страница 36: ...W SEEROM R21 R30 reserved 0x0000 R W SEEROM R31 38 Code word register variable R W RAM R32 38 Feature register 0x01106 R W SEEROM R33 38 User scaling Offset 0x0000 R W SEEROM R34 39 User scaling Gain...

Страница 37: ...o valid data type 0x01 Byte array 0x02 Structure 1 byte n bytes 0x03 Word array 0x04 Structure 1 byte n words 0x05 Double word array 0x06 Structure 1 byte n double words 0x07 Structure 1 byte 1 double...

Страница 38: ...tion is not active the code word is returned when the register is read If the write protection is active the register contains a zero value R32 Feature register KL3102 0x1106 KL3112 and KL3122 0x0002...

Страница 39: ...e deactivated Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name Filter constant Nf Nf 11 to Nf 0 Zero Zero Skip Fast Key Bit Name Description Default R37 15 Filter constant Nf Nf 11 Nf 0 The filter const...

Страница 40: ...22 40 Version 3 2 Examples Value in R37 Fstop Cycle time 0x35C0 50 Hz 140 ms 0x2660 70 Hz 100 ms 0x1330 140 Hz 50 ms 0x7FF1 40 ms 0x3FF1 20 ms 0x1001 4 ms Value in R37 Flimit Cycle time 0x7FF2 39 6 Hz...

Страница 41: ...t Description Bit 7 0bin Bit 6 1bin Terminal compensation function is enabled Bit 5 reserved Bit 4 1bin Gain calibration Bit 3 1bin Offset calibration Bit 2 0bin slower cycle 1000 ms 1bin fast cycle 5...

Страница 42: ...ment see example Bit 0 to 5 Address The address of the register to be addressed is entered in bits 0 to 5 of the control byte Control byte in register mode REG 1 MSB REG 1 W R A5 A4 A3 A2 A1 A0 REG 0b...

Страница 43: ...yte Value 0x00 0x00 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 v...

Страница 44: ...register number 31 with 01 1111bin The output data word byte 1 and byte 2 contains the code word 0x1235 for deactivating write protection Input Data answer of the bus terminal Byte 0 Status byte Byte...

Страница 45: ...inal Refer to the description of the feature register of your terminal chapter Register description regarding the meaning of the individual bits before changing the values Input data response from the...

Страница 46: ...eans 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 1111bin The output data word byte 1 and byte 2 contains 0x0000...

Страница 47: ...for Beckhoff 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...

Страница 48: ...ng 21 Fig 11 High Density Terminals 22 Fig 12 Connecting a cable on a terminal point 23 Fig 13 KL3102 25 Fig 14 KL3112 KL3122 26 Fig 15 KS2000 configuration software 29 Fig 16 Settings of KL3314 via v...

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