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IKA SMRA + MRA, Руководство пользователя

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User's guide

SMRA +
MRA

•

SMRA bearingless absolute magnetic encoder

•

MRA ring, through hollow shaft up to Ø110 mm / 4.33”

•

Range of resolutions up to 16,384 cpr

•

SSI and BiSS C-mode interfaces with error information

•

IP68 protection rate

Suitable for the following models:

•

SMRA -BG1-...

•

SMRA -BG2-...

•

SMRA -GG1-...

•

SMRA -GG2-...

•

SMRA -SC1-...

•

SMRA -SC2-...

Table of Contents

Preliminary information

7

1 - Safety summary

8

2 - Identification

10

3 - Mounting instructions

11

4 – Electrical connections

15

5 - SSI interface

18

6 - BiSS C-mode interface

22

7 - Diagnostic LED

33

8 - Error and fault diagnostics

34

Lika Electronic    

•

    Tel. +39 0445 806600    

•

    [email protected]    

•

    www.lika.biz

Smart encoders & actuators

Содержание SMRA + MRA

Страница 1: ...n rate Suitable for the following models SMRA BG1 SMRA BG2 SMRA GG1 SMRA GG2 SMRA SC1 SMRA SC2 Table of Contents Preliminary information 7 1 Safety summary 8 2 Identification 10 3 Mounting instruction...

Страница 2: ...on herein is subject to change without notice and should not be construed as a commitment by Lika Electronic s r l Lika Electronic s r l reserves the right to make all modifications at any moments and...

Страница 3: ...trical connections 15 4 1 M8 cable specifications 15 4 2 M12 8 pin connector 16 4 3 Connection of the shield 16 4 4 Ground connection 16 4 5 Zero setting Preset input 16 4 6 Counting direction input 1...

Страница 4: ...ameters and activate Preset 30 Device ID 30 Time out 30 Software version 31 Manufacturer ID 31 6 5 Application notes 31 6 6 Recommended BiSS input circuit 32 7 Diagnostic LED 33 8 Error and fault diag...

Страница 5: ...ice ID 30 E Error nE 23 M Manufacturer ID 31 P Position 23 Preset 27 Preset setting enable 29 R Register address 25 RW 25 S Save parameters 30 Save parameters and activate Preset 30 Serial number 29 S...

Страница 6: ...t to highlight the parts of the text where information of great significance for the user can be found user must pay the greatest attention to them Instructions must be followed strictly in order to g...

Страница 7: ...order code SMRA BGx and SMRA GGx or the BiSS C mode interface order code SMRA SCx It is mandatory to pair the sensor with the specific MRA type magnetic ring See the order code SMRA GG1 R1 R1 MRA 130...

Страница 8: ...ections section on page 15 connect Zero Setting Preset and Counting direction inputs to 0Vdc if not used to set the encoder to zero preset connect Zero setting Preset input to Vdc for 100 s at least t...

Страница 9: ...ed out with stationary mechanical parts do not disassemble the unit do not tool the unit delicate electronic equipment handle with care do not subject the device to knocks or shocks protect the unit a...

Страница 10: ...mber when reaching Lika Electronic for purchasing spare parts or needing assistance For any information on the technical characteristics of the product refer to the technical datasheet Warning devices...

Страница 11: ...from jamming Make sure the mechanical installation meets the system s requirements for both the sensor and the ring indicated in this guide 3 1 Overall dimensions values are expressed in mm Figure 1...

Страница 12: ...ring 3 and fasten the whole assembly to the motor shaft by using six bolts type M3 x 18 ISO14581 torx type 3 tighten the bolts following the sequence indicated in the Figure Recommended tightening to...

Страница 13: ...count up information when the ring turns in the direction of the arrow See also the 4 6 Counting direction input section on page 17 WARNING After having installed the sensor on the magnetic ring a ze...

Страница 14: ...3 3 Optional mounting tool To ease the installation of the sensor we suggest using the optional mounting tool The order code is TOOL LKM 2386 for rings 130 mm MAN SMRA SSI_BiSS E 1 4 odt 3 Mounting in...

Страница 15: ...Orange 6 Zero setting Preset White 7 Counting direction Grey 8 Shielding Shield Case See the order code for power supply voltage level EXAMPLE SMRA GG1 14 Vdc 5Vdc 5 SMRA GG2 14 Vdc 10Vdc 30Vdc 4 1 M8...

Страница 16: ...led preset BiSS C interface the preset value has to be set next to the Preset registers see on page 27 The Zero setting Preset input allows the operator to activate the zero preset value through an in...

Страница 17: ...e arrow in Figure 1 Connect the Counting direction input to 0Vdc if not used Connect the counting direction input to 0Vdc to have an increasing count when the ring turns as indicated by the arrow in F...

Страница 18: ...d The main advantages in comparison with parallel or asynchronous data transmissions are less conductors are required for transmission less electronic components possibility of insulting the circuits...

Страница 19: ...ignal is switched high The clock signal has a typical logic level of 5V the same as the output signal which has customarily a logic level of 5V in compliance with RS 422 standard The output code can b...

Страница 20: ...m 300 kHz 200 m 200 kHz 400 m 100 kHz The time interval between two Clock sequence transmissions must be at least 16 s Tp pause time 16 s 5 4 Error bit The error bit is intended to communicate the nor...

Страница 21: ...refer to the 7 Diagnostic LED section on page 33 For any information on errors and their solution please refer to the sections 8 Error and fault diagnostics on page 34 and 10 Troubleshooting on page 3...

Страница 22: ...ng to the EIA standard RS 422 WARNING Never install the encoder in a single Master multi Slave network 6 1 Communication The BiSS C mode protocol uses two types of data transmission protocols Single C...

Страница 23: ...CRC 14 bit encoder model SMRA SCx 14 bit 21 8 7 6 5 0 function Position Error nE Warning nW CRC Position It is the process data transmitted by the Slave to the Master It has a variable length accordi...

Страница 24: ...34 and 10 Troubleshooting on page 36 Warning nW 1 bit The warning bit nW is intended to communicate the normal status of the Slave or the presence of a fault condition that does not prevent the unit f...

Страница 25: ...bit long Polynomial X6 X1 1 binary 1000011 Logic circuit 6 3 Control Data CD Main control data is described in this section Please refer to the official BiSS documents for complete CD structure BiSS...

Страница 26: ...ta bit structure bit 7 0 MSB LSB CRC Correct transmission control inverted output Cyclical Redundancy Checking is an error checking which is the result of a Redundancy Checking calculation performed o...

Страница 27: ...e desired preset value you must set the value 00 next to the Preset setting enable register and then save data These registers allow the operator to set the Preset value Preset function is meant to as...

Страница 28: ...Preset register structure Register 12 13 LSB MSB 27 20 215 28 NOTE The Preset value must be expressed in a 16 bit format thus the Preset value you want to set must be adjusted by multiplying it by the...

Страница 29: ...e parameters and activate Preset function in the Command register 77 02 Preset setting enable 40 wo It allows the operator to enable the setting of the Preset registers You are allowed to set a new pr...

Страница 30: ...ore activating a new function Device ID 78 7B ro These registers contain the Device ID Identification name is expressed in hexadecimal ASCII code Register 78 79 7A 7B Hex 53 4D 52 41 ASCII S M R A Tim...

Страница 31: ...en the software version is 1 Manufacturer ID 7E 7F ro These registers contain the Manufacturer ID Identification name is expressed in hexadecimal ASCII code Register 7E 7F Hex 4C 69 ASCII L i Li Lika...

Страница 32: ...SMRA SSI and BiSS 6 6 Recommended BiSS input circuit MAN SMRA SSI_BiSS E 1 4 odt 6 BiSS C mode interface 32 of 40...

Страница 33: ...there are no active errors ON lit red Position calculation error invalid position value the sensing electronics is not able to read the ring this problem may be caused for instance by an excessive di...

Страница 34: ...tion on page 23 as previously stated the ring is not read correctly it may be due to one of the following reasons the ring and or the sensor are not mounted properly see the 3 Mounting instructions se...

Страница 35: ...t care as any delicate electronic equipment From time to time we recommend the following operations periodically check the soundness of the structure and make sure that there are no loose screws tight...

Страница 36: ...ng The sensor has been damaged by short circuit or wrong connection reverse polarity protection is provided for the version SMRA xx2 only Fault The measured values are either inaccurate or not provide...

Страница 37: ...arameters list BiSS C mode interface Parameters list Default value Preset 00 00 Preset setting enable 00 Time out 02 All values are expressed in hexadecimal notation MAN SMRA SSI_BiSS E 1 4 odt 11 Def...

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Страница 40: ...section 8 Error and fault diagnostics added general review 1 2 02 03 2015 Error bit and LED operation meaning updated new optional mounting tool 1 3 31 01 2020 General review new order code 1 4 13 07...

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