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IKA SMRA + MRA, User Manual

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IKA SMRA + MRA User Manual Download Page 14

SMRA - SSI and BiSS

3.3.3 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 Ø 130 mm).

MAN SMRA SSI_BiSS E 1.4.odt

3 - Mounting instructions

14 of 40

Summary of Contents for SMRA + MRA

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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Page 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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