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MR330 Instruction Manual

1. 519 Voltage 24V too Low 3 Apply proper voltage Blink 2x User applied 24V input less then 14V code Position Sensor Failures Description S Remedy How Cleared Announced 769 Sensor Not Paired 2 User should use ZAPPY Push button will Blink 3x System detected that the sensor is not software and follow the clear this error paired to the Controller procedure Pairing Sensor FC5 5 code For best performance a sensor should be paired to the controller This test is performed at power ON 770 Sensor Disconnect 3 Check Fiber Optic self clear Blink 3x Detect low optical power connection to the sensor when restored Initiate a new Sensor code pairing 771 Sensor Read Error 1 this error may occur when self clear None Single Read Error The sensor makes a the encoder is rotated faster examine error position measurement every 850us This then 2500rpm insufficient _ counter for a error indicates that an invalid position optical power sensor is not history of this error reading has occurred binary code on the paired with controller disk allows for error checking 772 Sensor 65000 2 If this occurs the installation self clear Blink 3x Read Error gt 1 in 65000 should be checked for examine error once System keeps an statistical track how often optical connection Or counter for a this error occurs See appendix A perhaps the system rotates history of this error
2. Optical Fiber Link Figure 18 Sensor Head Principle of operation The Light pattern is a linear stripe of light dispersed to it s spectral components Depending on the position of W lj the disk only certain portions of the spectral lines are returned to the controller unit f N A S 4 Figure 19 Light pattern on disk Page 51 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Look Up Table J Code Position Bit decimal amplitude rel 200 100 E ka ka E ka ka k k OO ka OO ka OO ka ee OO e CO CO ka OO v ON On VI PWN FO ka ka video signal pixels Figure 20 Code Disk Pattern Representation Position The bit pattern as shown in Figure 20 is being analyzed and via a look up table the exact position is calculated The position signal is scaled and output to the user via serial interface Modbus interface and analog outputs Page 52 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 9 Mechanical Reference Drawings 9 1 MR330 1 Controller See following page for reference drawing for MR330 1 Controller 9 2 MR332 Sensor See following page for reference drawing for MR332 Sensor Page 53 of 55
3. A SC SE DESCRIPTIO N wm TR 67 30 2 65 101 60 jag 4 00 55 25 2 18 LC DUPLEX FIBER O PTIC CONNECTOR PORT ALWAYS KEEP C OVERED AND FREE OF DUST ER AND DIRT 101 60 4 00 UNITMOUNTS ONTO STANDARD 35MM DIN RAIL I I PIN I OF WAGO PLUG IS INDIC ATED BY NOTCH IN 13 LO WER LEFT HAND CORNER J1 J2 RESET BUTTON ACCESS HO LE J1 WAGO PN 733 112 J2 WAGO PN 733 110 J 3 WAGO PN 733 106 12 PIN TERMINAL 10 PIN TERMINAL 6 PIN TERMINAL 1 ZERO OUT 1 10 V POSITION 1 GND 2 GND OUTPUT 2 5V OUT 3 SET POINT 1 2 GND 10mA MAX POWER 4 GND 3 SSI CLOCK FOR MR232 1 RS232 5 SETPOINT 2 4 SSI CLOCK ADAPTER 6 GND 5 SSI DATA 3 X 7 BAT 6 SSI DATA 4 TD 8 24V 7 24V IN 5 RC V 9 GND POWER 8 GND 6 RCV 10 Vs POWER 9 4 20mA OUT 15V TO 432V 10 4 20mA OUT 1l ZERO IN sene RBOYER 6 22 11 MIC RONO PNC 0114 12 SHIELD E SE i e E CONTROLLER ES OPTICAL ENCO DER sem ORDRE UL COMMENTS SE BWE Wo NOTES UNLESS OTHERWISE SPEC IFIED SE C MR330 A PROHIBITED DO NOTSCALE DRAWING SCALE 1 1 WEIGHT SHEET 1 OF 1 REVISIONS me semen Tom me NEW RELEASE 7111 RGB ei mi 70 4mm Amm FIBER OPTIC CABLE SEH SEH 3X M4x0 7 6H V 0 315in 8mm RETI B LENG TH 3mm dp 0 118in i 3mm I D FLATLENG TH 0 118in t I PiS i PR 57 94mm 57 9mm mm 5 2 281in 2 28in i HEN 1 968in 52 98mm D2 086in jj C FLAT OA 0 1 6
4. the sensor too fast 773 Sensor 1024 3 If this occurs the installation self clear Blink 3x Read Error gt 1 in 1024 should be checked for examine error Until cleared System keeps an statistical track how often optical connection Or counter for a this error occurs See appendix A perhaps the system rotates history of this error the sensor too fast 774 Sensor Turn Restore 1 This indication is important Clear by FC5 coil 5 Blink 3x The position of the sensor at last power when using the sensor as a down differs from the position at power ON multi turn position sensor gt The sensor has movedoutside The user should now the Restore value while power determine ifthe stored was off position can be restored or if the system needs to be homed See also Restore range Command R Communication Failures Description S Remedy How Cleared Announced 1025 CMD Unknown Function Check your software for self clear Blink 1x A non valid or non implemented correct function calls after one blink once ModBus function was sent to the controller 1026 CMD Unknown Register Check your software for self clear Blink 1x A non implemented register address correct register addressing after one blink once was addressed See user manual with address table 1027 CMD Wrong Register Count Check your software for self clear Blink 1x The register count in your command did correct register addressing after one blink once not match the length of requested
5. scale value and the voltage output will be OV When the senor turns CCW the voltage will start going negative and vice versa when the sensor turns CW the voltage will go positive As in mode 2 the system also determines a wrap around point based on the turn counter setting Scale Wrap 2x5 cale Figure 12 Mode 3 Voltage Output Countmax 2 Scale The Wrap point Pw is in the middle of the un used range of the senor The maximum position range is determined by the Turn Counter setting Output Frequency The voltage output follows the position in real time with a delay of approximately 800us from when the actual position was reached The update rate of the D A converter is 850us Page 22 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System V 2V DIV H 50ms DIV Analog Output while input shaft is being oscillated with an amplitude of x45 ata frequency of 7 Hz Q 44 3r s Figure 13 Analog Output with an oscillating shaft input In ZapView select page Voltage Output MODBUS ermene 0x200 Ox201 Voltage Mode Ox201 0x202 Voltage Scale 3 11 Isolated Current Output 4 20mA The isolated current output is derived from the position signal and may be freely scaled by the user Since the output is isolated from the rest of the circuitry it must be loop powered S EWrdeb 4 Resistor There are three selectable output modes Mode O OFF current is less then 300
6. used Remove the dust cap form both the connector on the cable and the receptacle on the controller Insert the LC connector as shown There should be a positive click when the connector is engaged properly Connections to the MR330 Controller Module Electrical Connections MR330 Controller J1 Connections J2 Connections J3 Connections and Power Supply Data SSI and RS422 485 Serial I O 1 ZERO OUT Analog Output 1 GND 2 GND 1 10V position output 2 5V Out 3 Set Point 1 2 GND 10mA max power 4 GND 3 SSI Clock for MR232 1 RS232 5 Set Point 2 4 SSI Clock Adapter 6 GND 5 SSI Data 3 TX gt 7 BAT 6 SSI Data 4 TX gt 8 24V 7 24V IN 5 RCV 9 GND power 8 GND 6 RCV lt 10 Vs power 9 4 20mA out 15V to 32V 10 4 20mA out 11 ZEROIN 12 Shield Page 11 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System All three Terminal Connectors are WAGO type Mini Multi Connection System with 2 5mm spacing One each of these connectors are included WAGO Connector Part Numbers for Terminal Connectors Location MICRONOR PN WAGO PN J1 63 733 112 133 112 J2 63 733 110 733 110 J3 63 733 106 733 106 Tool 63 233 335 233 335 These terminal connectors are non screw connections and accept wires from AWG20 through AWG 28 or 0 5mm to 0
7. 08mm 2 The WAGO terminal blocks are a convenient way to pre wire harnesses PIN LOCATION SIDE VIEW WAGO 12 PIN P N 733 112 WAGO 10 PIN P N 733 110 WAGO 6 PIN P N 733 106 WAGO LOGO ON PIN 1 SIDE OF HOUSING WIRE ES se WIRE TO BE INSERTED OR REMOVED INSERT REMOVAL TOOL TERMINAL BLOCK NOTCH MARKS PIN 1 OF WAGO PLUG Figure 4 How to insert and remove wires from WAGO plug Making connections to the MR330 Controller is easy via the WAGO QuickConnect plugs Bep Strip the wire approx 0 22 5mm to 6mm length Insert the white operating tool into the square hole of the terminal Then insert the stripped wire all the way down and remove the operating tool When wiring completed simply insert the WAGO plug to the appropriate interface connector on MR330 J1 J2 or J3 To remove the WAGO plug grab top and bottom of plug and pull to disconnect Page 12 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Apply 24VDC electrical power to the controller unit The current consumption is typically 70mA and should be less then 100mA at all times The controller PWR LED will light up A steady light indicates proper operation and the sensor is installed correctly Blinking of this LED indicates an error condition See Section 5x xx for error codes The ZERO indicator LED will be On when the position sensor is at O position A The RUN indicator LED will be ON whenever the sensor is in motio
8. FC5 coil 6 5 4 About Statistical Read Error Determination The errors Sensor 1024 and Sensor 65000 are error rates that are measured by error occurrences within a time period If more than one error occurs within the specified time period then an error is logged The time period is the number of samples times 850uS 1024 x 850us 87 seconds 65000 x 850us 55 seconds Note T1 and T2 are sample counters The following algorithm is used to detect the errors Page 38 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Y T2 5600 0 N Reset T1 Reset T2 Clear New Error N Page 39 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 5 5 Warranty Information Warranty MICRONOR ING warrants this product to be free from defects in material and workmanship for a period of 1 one year from date of shipment During the warranty period we will at our option either repair or replace any product that proves to be defective To exercise this warranty write or call your local MICRONOR ING representative or contact MICRONOR INC headquarters You will be given prompt assistance and return instructions Send the instrument transportation prepaid to the indicated service facility Repairs will be made and the instrument returned transportation prepaid Repaired products are warranted for the balance of the original warranty period or at least 90 days Limitations of Warrant
9. See user manual with register address table Note This controller does not allow to read across multiple registers 1028 CMD Wrong Device Adar The MR330 controller has self clear Blink 1x Page 37 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System The device address sent was not on fixed address at 235 If after one blink once matching the address of this unit you are not sure what the address is talk to the unit at 235 and reset your desired bus address 1029 CMD Wrong Value 1 Consult the user instruction self clear Blink 1x The data value was outside the for the permissible after one blink once permissible range for this parameter parameter values allowed in each register 1030 CMD Checksum 1 Resend the packet self clear Blink 1x ModBus Packet Checksum was invalid after one blink once 5 3 Reading The Error Counters The entire packet of all 24 error counters may be read by issuing MODBUS commad to Register 0x040 with a register count of 24 The sequence of registers is according to the error number in Table 1 in ascending order Each register is a 16 bit word If the most significant bit is set to a logical one this indicates that there is an active error residing in the Status stack The remaining 15 bits indicate the number of errors that occurred since power was applied to the unit The user may clear all error counters by issuing Function Call
10. The data line is set to low and remains there for a period of time tm to recognize the transfer timeout If a clock signal data output request is received within the time tm the same data as before will be transmitted again multiple transmission The slave starts updating its value and the data line is set to HIGH idle mode if there are no clock pulses within time tm This marks the end of single transmission of the data word Once the slave receives a clock signal at a Page 20 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System time tp gt tm then the updated position value is frozen and the transmission of the value begins as described earlier J2 Connections Data SSI and Analog Output 10V position output GND SSI Clock SSI Clock SSI Data SSI Data 24V IN GND 4 20mA out 4 20mA out 00 olal o NO In ZapView select page SSI Interface kes 0x138 0x139 Baudrate SSI 3 10 Voltage Output The analog output voltage is derived from the position signal and maybe freely scaled by the user There are four distinct modes Mode O OFF voltage is always O Mode 1 Single turn OV to 10V Mode 2 Scalable OV to 10V Mode 3 Scalable 10V to 10V 10V MODE 1 automatically sets the Scale to 8192 It outputs OV when position is O and 10V when position is 8191 Output wraps around back to OV when one turn completes This wrap
11. Turn Counter in binary increments 2 User sets this value depending how far the turn counter should count until resetting to O again Example n 3 Maximum Position readout is 8 revolutions with 8192 per revolution Therefore maximum position readout will be 65 536 Ox137 0x138 Resolution of analog outputs n a Read only for trouble shooting Provides the maximum resolution of the current and voltage output This value is internally set whenever the voltage or current scale is being defined Page 30 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 0x138 0x139 Baudrate SSI 25 250 Defines the SSI Baudrate This value should be set by the user and it should match the clock frequency of the SSI master reading the position output 0x139 Ox13A Baudrate Serial Communications Sets the Baudrate for Serial Communications on the MODBUS 0 9 600 1 19 200 2 38 400 3 57 600 4 115 200 Ox10A Ox10B Optical Amplitude n a Gets the reading for the optical signal amplitude Should be in the range of 300 to 600 Provides a useful value indicating the quality of the optical link Maybe read in conjunction of register OXO00 when register length of 5 is specified Ox10B Ox10C Pairing Progress n a Returns the currently executing calibration step Read Only only active during the pairing process Ox10C Ox10D Reser
12. Value amp HO40 ROAO Errors 24 Special MICRONOR INC 750 MITCHELL ROAD NEWBURY PARK CALIFORNIA 91320 PHONE 805 499 0114 FAX 805 499 6585 www micronor com
13. of the returned light is unique to any given position of the sensor The light spectrum is separated into it s unique spectral lines using an optical grating and a linear CCD measures the intensity of each spectral line The output of the CCD converts the optical spectrum into the electrical representation The analog electrical signals are converted into digital words and the firmware algorithm extracts the position information and sends out the information over the bus interface Modbus and additionally the SSI serial synchronous interface In order to match the unique optical spectral characteristics of sensor unit and controller an initial pairing routine must be performed after installation of the system This is required only once and it is a single push button action while the position sensor is slowly rotated Page 50 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System As shown in Figure 18 the sensor head contains only highly inert optical components and is immune to any electrical interference whatsoever A rotating disk mounted on precision bearings contains a unique pattern which unambiguously references the angular position of the disk The optical power from the broadband light source is dispersed over the pattern of the disk and portions of the light spectrum is reflected back through the system and to the controller where the optical signal is extracted for the exact position is retrieved Sensor Head Controller
14. real time data retrieval you do not need to become familiar with the Communications protocol described herein Framing Message frames are separated by a silent interval of at least 3 5 character times If a silent interval of more than 1 5 character times occurs between two characters of the message frame the message frame is considered incomplete and is discarded A 16bit LRC CRC Frame Check follows the message Device Address Selection The MR330 comes pre configured with Device address 235 The MR330 always listens to address 235 Broadcast Address To re program the device address send desired new address via command FC10 to register 0x104 via the broadcast address 235 and then send the appropriate STORE EEPROM command via FC52 register Upon that procedure the unit will listen to the newly assigned Device Address and the Broadcast address 235 gt In ZapView select tab page System Info and enter the desired new bus address and hit enter key When the red Save to EEPROM button pops up push this button and the new address is stored in the MR330 controller gt REGISTER NUMBERS VS METER ADDRESSES In this instruction manual all register are referred to by their address i e starting at O Some Master devices e g Modicon require that the desired Register Number and not the Register Address be entered The Register Number is 1 higher than the Register Address For entry to these devices add 1 to the Regist
15. with the MR330 Controller Note Only if the correct COM port and baud rate are selected communications will be successful Note The ZapView instruction manual can be displayed select Help ZapView 4 ZapView for MR330 a File Communication View Help About serial not connected iMd ieemMerelaiel i ZapView runs on Windows 7 Vista or XP with SP3 and with net Framework 4 0 installed Page 49 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 8 MR330 Theory of Operation The functional block diagram shows the two main components The Sensor is connected by a duplex fiber optic cable of readily available 62 5 125um multi mode fiber The transmit fiber guides an optical pulse from a broadband light source to the position interrogation A second receive fiber returns the light with the embedded position information in form of a specific unique light pattern EEPROM Broadband EEPROM Source Sensor Micro Real Time Processor Processor 16 bit id ri Analog Signal H Processor Serial Interface Diaanostics Sensor Head Lens Grating ER CCD Figure 17 Block Diagram of the Fiber Optic Position Sensor System The broadband LED source is pulsed because it capture the position accurately with the sensor unit whether the sensor is rotating or stationary This light pulse is comparable to the flash bulb of a camera The optical spectral distribution
16. 3 Get Position Offset n a Position offset used to adjust for desired position readout 0x104 0x105 Device Address 1 254 Sets the MR310 serial address for commands Note that the address 4 cannot be used A FCO6 command to save EEPROM must be issued following this command Ox105 Ox106 Operating Mode 0 3 Used to setting MR330 in calibration or troubleshooting mode Normal Operating is O Debug mode is 1 Pairing Operation is 2 Do not put unit in any of these modes without first consulting the user manual Be familiar with what these functions before using Ox106 Ox107 Get Temperature n a Reads the temperature in degrees Celsius within the unit 0x130 0x131 Scan Start 1 200 Factory use only do NOT write to it Determines the start of the disk code reading 0x132 0x133 Voltage Offset 128 127 Factory use only do NOT write to it Hardware calibration value for voltage output 0x133 0x134 Voltage Gain Pos 128 127 Factory use only do NOT write to it Hardware calibration value for voltage output 0x134 0x135 Voltage Gain Neg 128 127 Factory use only do NOT write to it Hardware calibration value for voltage output 0x135 0x136 Current Gain 128 127 Factory use only do NOT write to it Hardware calibration value for current output 0x136 0x137 Turn Counter 0 11 Depth of
17. 54in MOUNTING PANEL MR332 10 C 03 dd 2mm SHAFT DIAMETER 0 079in 06 6 MOUNTING PANEL 4 20mm 10 lOmin B 3X 0 169in THRU 95 375IN 9 52mm EQ SPCD AS SHOWN v3 LE SC e ia B 42mm 18 64mm 1 654in 0 734in THRU MIN OPTICAL PIG TAIL LENG TH 03 23m 9 8 Ets SHOE 50 29mm TEM PERATURE RANGE 5 1 980in BLANK 2 STANDARD 40 C TO 80 C SYNCHRO CLAMP 50 29mm SUG GESTED MOUNTING PANEL 51 980in SEO ERE 3 WARNING KEEP CONNECTOR COVERS IN PLACE HRU HOLE MOUNT WITH Dees PANEL Ott PANIC DURING STORAGE TO PROTEC TFIBER OPTIC SINGERO CLAMPS WITH MOUNTING SC REWS SHA FIC O DE UNLESS OTHERWISE SPEC IFIED NAME DATE OR OTHER SEVERE SHOCK IMPACTS 304 010 TOLERANCES a 13 MAY DAMAGE UNIT e 2358 0002 5 989 010 10 216 5 50 315 8 THREE PLACE DECIMAL le Ee wA ABSO LUTE ENCODER 1 ALWAYS USE FLEXIBLE CO UPLING WHEN KR a EE MOUNTING SHAFT TO EXTERNAL EQUIPMENT 3932 0001 9 987 0025 20 374 9 50 630 16 Ea nere Fr os E DRAWING ISTHE SOLE PROPERTY OF METT REV NO TES UNLESS OTHERWISE SPEC IFIED NN 550 010 o am FNER Cc MR332 A 95 3746 0001 9 515 0025 90 010 345 8 76 440 11 2 IS NE PROHIBITED DONOTSCALEDRAWING NOTSCALE DRAWING SCALE 1 1 WEIGHT SHEET 1 OF 1 Date 1 9 2012 Affected Products e MR330 Instruction Manual Doc No 98 0330 11 Revisions B amp C MODBUS Communications Protocol e ZapView software version 1 0 0 Errata MICRO
18. EPROM From EEPROM Same as a Power Up 0x004 0x004 Restore Restores Factory Defaults Factory Default The MR330 stores a factory default for each user parameter These values maybe restored using this command Factory calibration values and pairing data are not affected 0x004 0x005 Clear Status Clears the status register If another error is pending then the status register will reflect that new value in queue 0x005 0x006 Clear Error Count Table Resets error table counters to 0 Same as in power up MODBUS Message Format The following is a brief overview of the detailed byte by byte messaging of the ModBus protocol Please consult the Modbus standards for detailed information DA Device Address DD Data to read CRCL CRC Byte low FC Function Code WW Data to write CRCH CRC byte high RA Register Address SF Sub Function NR Number to Read EC Error Code NB Number of bytes FC Action Sync Byte Number 3 5b 1 2 3 5 6 7 8 9 10 11 O1 request ange DA FC RA O1 response B DA FC NR 03 request DA FC RA RA NR NR CRL CRH 03 response P9 5 pA FC NB DD DD CRL CRH 04 request DA FC RA 04 response Pause DA FC NR 05 request DA FC RA 05 response PAUSE DA FC RA 08 request DA FC SF 08 response pause DA FC SF 23 request DA FC RA RA 23 response PAUSE DA FC NR DA FC DA FC DD number of bytes requested or
19. MICRONOR automation components MR330 Fiber Optic Position Sensor Instruction Manual Doc No 98 0330 11 Revision C dated 07 09 2011 MICRONOR INC 750 Mitchell Road Newbury Park CA 91320 USA PH 805 499 0114 FX 805 499 6585 sales micronor com www micronor com For Support in Europe MICRONOR AG Pumpwerkstrasse 32 CH 8105 Regensdorf Switzerland PH 41 44 843 4020 FX 41 44 843 4039 sales micronor ch www micronor com Notice of Proprietary Rights The design concepts and engineering details embodied in this manual which are the property of MICRONOR INC are to be maintained in strict confidence no element or detail of this manual is to be spuriously used nor disclosed without the express written permission of MICRONOR INC All rights are reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission from COPYRIGHT 2011 MICRONOR INC NEWBURY PARK CALIFORNIA UNITED STATES OF AMERICA MICRONOR INC MR330 Fiber Optic Position Sensor System Revision History Rev A Initial Release Rev B Added Modbus and SSI Description Rev C Production Release Page 2 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Table of Contents Revision History E 2 1 Product Description E 5 1 1 Position Sensor BaekSrbUlit iuuesscusc iem cn
20. NOR automation components NOTE These issues effect the documentation and not the actual product performance The instruction manual DOC No 98 0330 11 RevB and RevC Page 31 Has the wrong value for the address 0x238 it should read Ox237 Should Read Address Register Name regs Range Description Number 0x237 0x238 Restore Range 1 O 4095 Defines the range within the automatic turn counter restore will be considered valid The following addresses are not Ox80x They should read Ox40x Address Register Name regs Range Description Number 0x400 0x401 Device Name 4 n a Returns the ASCII string equivalent as device name MR330 0x404 0x405 Version 4 n a Returns the ASCII string equivalent of the software version form MM mm bb 0x408 0x409 Serial Number 2 n a Returns the serial number of the device The instruction manual DOC No 98 0330 11 RevB and RevC Page 29 Has the wrong value for the Get Angle regs it should read 2 Address Register Name regs Range Description Number 0x003 0x004 Get Angle 2 n a Returns position angle in 1 100 of degrees 0 36000 ZapView version 1 0 0 has the same issues as above in the ModBus Communication Protocol table provided from within the program The Count for R040_Error in the Command List is incorrect it should read 24 Register Description Count Access
21. OM n a n a checksum failure low bank Shows a bad checksum Firmware automatically corrects the error 260 EEPROM Checksum High Bank 1 One set of data in EEPROM n a n a checksum failure low bank Shows a bad checksum Firmware automatically corrects the error 261 EEPROM Bad Value 3 User should use Zappy to Timed Clear Blink 5x One or more parameter values are out of read and examine the data SE range non data banks and restore the corrupted value Voltages Description S Remedy How Cleared Announced 513 Bad Hardware 3 Recycle Power next startup blink 5x No Clock Signal from CPLD If persist repair Bad 12C Bus on internal components 514 BAD Firmware 3 Recycle Power next startup blink 5x Firmware is corrupted If persist repair 515 Voltage Reference 3 Recycle Power next startup Blink 4x Internal reference voltage is out of If persist repair tolerance Code 516 Voltage 5V 3 Recycle Power next startup Blink 4x Internal 5V out of tolerance If persist repair self clear when restored Code 517 Voltage 12V 2 Recycle Power Timed self clear or Blink 4x Internal 12V out of tolerance If persist repair self clear when restored Code 518 Voltage 24V Low 1 Apply proper voltage self clear Blink 2x User applied 24V is of 10 tolerance It s ok to operate unit measured on AN4 anywhere from 15V to Code 30V Page 36 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System
22. around occurs regardless of the Turn Mask setting De di 1638 8191 Figure 10 Mode 1 Voltage Output Page 21 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System MODE 2 lets the user program the output voltage based on a scale value The output is O when the position is O and will reach 10V when the position reaches the scale value The full 25bit range is available for scaling When setting this mode up the user should also take into account what should happen when the position reaches maximum or minimum values The MR330 system determines the wrap around point based on the available position range which is based on the turn mask setting n Figure 11 Mode 2 Voltage Output The Countmax is then 2 a m LI Wrap Countmax Scale Pw 2 The wrap point Pwis determined based on the formula above Essentially it is the midpoint between the un used range Scale MODE 3 is very similar to mode 2 but it makes use of the negative output voltage capability of the MR330 The output voltage follows the position output with O position being 10V and when the Scale value is reached the output is OV and with position twice the scale value the output is 10V Mode 3 is ideal when the voltage should swing positive or negative around a predetermined home position In that case the Reset Value of the MR330 should be set to the same value as the scale When the sensor is in the home position that is then equal to the
23. audrate of the PC s COMx port must therefore be set to match the baudrate of the MR330 controller C Zt The default bus address of the MR330 controller is 235 The recommended baudrate is 57 600 baud Page 26 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 4 2 Serial Interface Specification e RS 422 RS485 Duplex addressable bus interface e Baudrate programmable 9 600 19 200 38 400 57 200 or 11 5200 baud e 1Start Bit e 8 Data Bits e 1 Stop Bit e no parity Factory Standard ModBus Address is set to 235 Hexadecimal OxEB I When not using a USB interface the optional MR232 1 Interface cable may be connected directly to a PC Computer via standard RS232 and DB9 connector In that case the maximum baudrate is 57 600 The MR232 1 Interface cable converts the RS232 signals to the RS485 compatible signals of the MR330 4 3 Physical Connection for ModBus operation BUS Wire Slave MR330 Master Connector J3 TXDO gt RXDO A RCV 6 TXD1 gt RXD1 B ROV 5 RXD1 4 TXDO A 4 RXDO TXD1 B a 3 GND GND GND 1 MR330 J3 1 Page 27 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Two Wire Configuration MR330 3 4 4 Serial Bus Termination Resistor The MR330 does have a user configurable internal 125 ohm bus termination resistor If the MR330 is the last device on the bu
24. ay 800us max Time from actual position to SSI output availability Analog update add 200us Fiber Type 62 5 125um 0 275NA Multimode Duplex Fiber Connector LC PC Duplex Fiber Link Length 2m to 300m 1000ft Operating Wavelength 850nm for purposes of fiber link loss calculation Optical Output Power lt 17dBm 20uW average eye safe pulsed LED source Electrical Connectors WAGO QuickConnect Plugs J1 12 pin WAGO 733 112 J2 10 pin WAGO 733 110 J3 6 pin WAGO 733 106 Accepts one AWG20 wire or two AWG26 wire per contact Power Supply 16VDC to 32VDC 65mA typical 75mA max 24V Note 1 Battery Backup For multi turn operation a 12V 2A h battery is recommended to be connected to the unit Unit provides trickle charge current 5V Output 10mA maximum load Designed for powering MR232 1 or MR232 2 adapter cables Note 1 During Power Up the external power supply should be capable of delivering a momentary current in excess of 100mA Unit will operate from 10V to 32V however analog outputs may not work properly due to insufficient operating voltage Page 42 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System ATEX Rating Ex op is 45 C T6 Simple Mechanical Device Classification Inherently Safe Optical Radiation Temp Range 0 to 45 C operating 15 C to 65 C storage Humidity 25 to 85 RH non condensing Hous
25. being sent Page 33 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 5 MR330 Error Handling and Troubleshooting 5 1 Explanation of Status and Error Handling The MR330 incorporates a sophisticated integrity monitoring error and failure reporting system There are four Error Groups 1 EEPROM At start up the EEPROM checksum and EEPROM data integrity are checked 2 Power Supply Voltages At start up the applied power supply voltage 24V and internal voltages are checked If they fall outside the required value errors are logged and reported These voltages are evaluated once at system power up Subsequent voltage changes will not be evaluated 3 Sensor Read Error e Low optical power e Position read error e Restore Value out of Range 4 Communication Errors Communication errors are flagged by the underlying Modbus drivers However Modbus standard does not specify a data integrity test This is where the MR330 allows the user to query the Status byte after each transmission to verify if the provided data was within the appropriate range etc 5 2 Explanation of Status and Error Indication When an error occurs the System Status Word is set with the associated Error Code Register OxOO When more than one error at the time occurs then the error code is stacked up in order of its priority Each Error has an associated error counter The user may request all error registers for examination through a request to R
26. edsa 22 Figure 13 Analog Output with an oscillating shaft input sssareeerannnnvennnnnnvreennnnvveennn 23 Figure 14 Mode 1 Current Output EE 24 Figure T5 Mogde 2 Current RE EE 24 Figure 16 Photograph of MR232 1 RS422 RS485 to RS232 Adapter Cable 46 Figure 17 Block Diagram of the Fiber Optic Position Sensor System 50 Figure 18 Sensor Head Principle of operation EE 51 Figure 19 Light pattern EES 51 Figure 20 Code Disk Pattern Representation mrannrnnannnnvvvnnnnavvvnnannnnvnnannnnvnvennnnvneenn 52 List of Tables Table L Table of ele 36 Page 4 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 1 Product Description 1 1 Position Sensor Background Position sensors are typically used to provide an absolute position from a mechanical moving device to a controller unit The position information is either used to measure a position or to close the servo loop for an automatic positioning system The key characteristics of an absolute position sensor are e Accuracy e Resolution e Time response of the actual position 1 2 Fiber Optic Position Sensor The MR330 series fiber optic position sensor system is an innovative all optical design immune to any electro magnetic interference such as lightning radiation magnetic fields and other harsh environmental conditions The fiber optic aspect of the sensor also makes it perfectly suited for long distance position sensing over hundreds of meters
27. egister 0x040 MODBUS Function Register 0x40 Reads all 24 Error Registers Sequentially Reg 0x00 lt 4 Status E Stack 1 In counters E Stack 2 Counter 3 m Reg 0x040 E Stack 3 Counter 24 Page 34 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Table 1 lists all the status and error report possibilities Error Groups USB RS422 485 Turn Counter 12bit c 9 2 o ei IL All errors get logged but may not necessarily provide visual indication The user should take necessary action based on the severity level of the reported status error 3 System will no longer work without a remedy 2 Important problem should be fixed but system may still be partially operational 1 Benign system keeps on working fine After examination the user may clear the Error Indication by issuing the a Function Call FC5 to coil number 5 This will clear the indicated error in the Status byte If there are more errors stacked up then the next highest priority will be displayed While there is an error Indication The Zero push button will also clear a pending error indication The user must be careful to only push the button once and wait and check if the error indication Because once the error is cleared the button will assume it s normal function as a Zero Point switch Some errors are cleared as soon as normal operation is established For instance when the sensor is disconnected or a high loss in t
28. er Address shown in the tables below The Register Address shown will then be output from these devices FUNCTION FCO3 Read Holding Registers FUNCTION FC10 Write Holding Registers Page 29 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Holding registers FCO3 are used for reading the position and all other parameters These Registers can be written using Function FC10 using identical address offset Register Address Register Number Name regs Range Description Ox000 Ox001 System Status 1 n a Returns the system status num register 1 reads status only num register 3 reads status amp position num register 4 reads status amp position amp angle num register 5 reads status amp position amp angle amp amplitude Ox001 0x002 Get Position N n a Returns position count as a 32 bit integer 0x003 0x004 Get Angle n a Returns position angle in 1 100 of degrees 0 36000 0x005 0x006 Get Last Position n a Returns the very last position when unit was shut down Used when determining if the turn counter restore is feasible 0x040 0x041 Get Error Counts n a Returns 24 registers with the total number of errors for each error class 0x100 0x101 Set New Position O MaxCount The value is used as the new position readout The MR330 automatically calculates a position offset 0x102 0x10
29. es not show the details of the sophisticated optical measurements and algorithms employed to extract the position information The single turn resolution is 13 bits and there is also a 12 bit turn counter which keeps track of the full turns of the sensor while the unit powered up and the sensor is connected with the fiber optic link Both absolute single turn position 13bits and the turn counter 12bits are combined to provide a 25 bit position signal The user has the option to mask the turn counter and thus limit the output to match the physical setup If the sensor is only used to measure a range over let s say 5 turns then the user may limit the turn counter to 3bits providing a range of maximum 8 turns until the output wraps around back to zero Using the example above the readout position would range from O to 65 535 3 turns times 8192 resolution per turn As the block diagram shows the position signal is routed to all the various output interfaces built into the unit Page 15 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System pos full Interface RS422 485 pos rprt Absolute Single turn 13bit Turn Counter 12bit Voltage Scaling Set Point 1 Set Point 2 Qo ZERO Indicator c S 8 ol amp o O a o 5 ir N Figure 6 Block Diagram of MR330 System The Serial Interface conforms to the MODBUS standard and is the main communications interface specifically also for setup a
30. fines output results based on turning direction of the sensor O when CW outputs are positive reading 1 when CCW then outputs are positive reading Ox20C Ox20D Power Up Mode Defines if controller should attempt to restore the turn counter after power up O do not restore turn counter Page 31 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 1 attempt to restore turn counter When within the restore range then restore full position otherwise indicate an error 0x230 0x231 Set Point 1 On 2 O MaxCount Lower threshold for digital limit switch output 1 0x232 0x233 Set Point 1 Off 2 O MaxCount Upper threshold for digital limit switch output 1 0x234 0x235 Set Point 2 On 2 O MaxCount Lower threshold for digital limit switch output 2 0x236 0x237 Set Point 2 Off 2 O MaxCount Upper threshold for digital limit switch output 2 0x238 0x239 Restore Range 1 O 4095 Defines the range within the automatic turn counter restore will be considered valid 0x300 Ox301 Ref Voltage 1 n a Internal Reference voltage of 2 5V Updated only at Power ON 0x301 0x302 5 Volt Supply 1 n a Internal Supply Voltage 5V Updated only at Power ON 0x302 0x303 12 Volt Supply 1 n a Internal Supply Voltage 12V Updated only at Power ON 0x303 Ox304 24V Power Supply 1 n a External applied Voltage 24V nominal Updated only at P
31. ftware will determine the health of the system For more information see Status and Health Monitoring jue for Valid Restore is not applicable in this mode Multiturn Set The MR330 can only keep Waere SSO Within one turn however it has the capability to keep track of multiple turns and if setup accordingly will MR 330 I O Configurations Descriptions and Information Page 44 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System The ZapView software displays the parameters that the MR330 system is currently using for its operating configuration The MR330 system has EEPROM storage capability so that if the power is lost the parameters that have been stored are remembered when the power is restored When the user changes a setting ZapView will remind you to save the setting if the Enable Sav Reminder is enabled If you don t want to save to EEPROM just Ignore EE Voltage Output Current Output SSI Interface Mod Bus System Info Diagnostics RealTime Set Points serial connected System Information MR 330 1 Controller 55 Model MR330 Serial Number Version 0 2 21 0 Status O Reset 1 n 2 Depth of Turn Counter in bits Raal FiBaetara Turne When a setting is changed to save in EEPROM just click on the reminder Save in EEPROM Summary of ZapView Functions PC and ZapView configuration F
32. he optical connection occurs then an error is Page 35 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System reported and the PWR LED will blink However when the optical connection is re established then the error will clear itself without user interaction Some errors are not sufficient cause of a problem and therefore they are logged and indicated by a short blink on the PWR LED and then will clear themselves For instance if the 24V power supply deviates by more than 10 such an error is indicated but since the MR330 works flawlessly in the range of 15V to 30V there is no cause for further error indication Table 1 Table of Error Codes Hardware Related Status Indication EEPROM Description S Remedy How Announced Cleared 257 EEPROM INIT 3 Firmware automatically re Recycle Blink 5x EEprom is not initialized not initialized initializes the EEPROM Power This occurs only on first factory power up User must remove Power and code of new system or when a badly corrupt apply power again EEPROM is detected Restore factory values All parameters are lost 258 EEPROM Checksum 3 Both data banks indicate a bad software Blink 5x checksum failure both banks checksum or User should read all parameters recycle Power code and verify proper settings and then save parameters again using Miconor Zappy software 259 EEPROM Checksum Low Bank 1 One set of data in EEPR
33. he user may choose to utilize All the functions and parameter settings maybe programmed by the PLC during system initialization An alternate way is to pre configure the MR330 using the MICRONOR provided ZapView software and permanently store all the parameters in the EEPROM Specifically an individual configuration of the MR330 controller is required when a specific ModBus address need to be preset before connecting the controller to the ModBus To access these functions and to familiarize yourself with the functionality of the MR330 controller we recommend to use ZapView software which is supplied with the unit To run ZapView you must have a Personal Computer available with a USB interface If a USB interface is not available then a serial interface plus the MICRONOR RS232 to RS422 RS485 converter cable model RS232 1 must be purchased separately maybe used 4 1 USB Serial Emulator The MR330 being ModBus compatible must communicate via a serial interface thus the USB interface utilizes the Future Technology Devices International FTDI interface chip www ftdichip com This chip communicates via USB but within the PC emulates a serial COM port When ZapView is installed the appropriate FTDI driver is installed on the PC The conversion from USB to Serial is essential to keeping the communications protocol ModBus compatible Even when communicating via USB the MR330 controller uses the actual baudrate and bus address settings The b
34. i the file or cancel setup eT The problem may be that the required NET FRAMEWORK 4 0 Client is not installed on the PC Select Cancel and install the NET FRAMEWORK 4 0 Client To install the NET FRAMEWORK 4 0 Client on the PC Run the file dotNetFx40_Client_x86_x64 exe found on the Root directory of the ZapView CD When the NET FRAMEWORK 4 0 Client installation begins select have read and except the license agreement Ee Microsoft MET Framework 4 Client Profile Setup k 4 Client Profile Setup lease accept the license terms to continue Installation Is Complete MET Framework 4 Client Profile has been installed Microsoft MICROSOFT SOFTWARE Thave read and accept the license terms Download size estimate OMB Check for more recent versions on Windows Update Download time estimates Dial Up 0 minutes Broadband 0 minutes For more information read the Data Collection Policy nstall the software a When finished the following message will be displayed With the NET FRAMEWORK 4 0 Client installed the ZapView Software can now be installed Run the Setup exe program from the root directory of the ZapView CD Step 2 The Installer will guide you through the steps to install the ZapView Software Step 3 Click on Next gt to continue through the installation Step 4 You must Read and Agree with the End User License Agreement to use this Software Step 5 The Insta
35. ile Save and Load Parameters to Disk enables quick system duplication Communication Configure the address and serial port settings View Enable Save Reminder Gauge Angle Voltage and Current Meters digital representation of position Help View the Instruction Manual for the product About ZapView version and Software License Agreement MR 330 Configuration Each tab enables the user to View Configure the corresponding functions of the MR330 System Enter the value that you want the system to use if the value is within the allowed range the parameter is sent to the MR330 controller when you press Enter or go to another field MR 330 I O Configurations By selecting clicking on a configurable port Text ZapView will automatically go to the appropriate tab for viewing or configuring the respective settings By clicking on a connector Information regarding the connections is displayed Descriptions and Information Read the description and information on the lower section of each Tab to learn how to set the respective portion of the system Page 45 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System NOTE First time installations of the MR330 system should have a Sensor Pairing Procedure performed See the Real Time Tab for the Pairing Procedure The optional MR232 1 RS422 RS485 to RS232 Adapter Cable shown in Figure 16 is required to connect the MR330 to the RS232 serial port on the PC running the ZapVie
36. ing Protection IP40 Non Protected Mounting 35mm DIN Rail Housing 102mm W x 102mm D x 68mm H Weight 600g 2202 Specifications subject to change without notice Page 43 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 7 ZapView SOFTWARE Micronor provides ZapView with the MR330 Controller Module ZapView runs on Windows 7 Vista or XP with SP3 and with net Framework 4 0 installed ZapView can be used to pre program MR330 parameters associated with the various Auxiliary Functions such as programming the scale of the analog outputs or it can be simply used to verify the proper operation of the position sensor system The ZapView software is designed to provide the user with simple but powerful system configuration and monitoring functionality Refer to Section 7 1 ZapView MR330 Setup Software Installation Guide to install the software The software was designed with the following areas to enable the user to quickly learn and understand how to configure the system PC and ZapView Configuration MR 330 Configuration MR 330 1 Controller SSI Serial Number 0 Rese Turn Counter n 2 Depth of Turn Counter in bits Valid Restore E Restore Turns Label Turn Direction 1 COW direction when checked ModBus Address 1 to 255 Ww ZEROG IT KDE shield workings of the sensor The status should be read as often as reasonale and the user so
37. ller will load the USB driver for the FTDI interface chip on the PC enabling ZapView to communicate with the MR330 Controller More information on the USB driver can be viewed on the USB_Driver folder on the CD Page 47 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Step 6 When the Installation is Complete Simply Close the Installer Step 7 For better performance configure the COM port Latency to 2 mS This is configured under Computer Management Device Manager Ports COM amp LPT NOTE the COM port needs to be connected and the MR330 Controller must be power up for the COM to be visible on the PC Select the USB Serial Port COMx Port Settings Then select Advanced Data bits D Parity None Stop bits 1 How control None Select higher settings for faster performance Receive Bytes 4096 M Transmit Bytes 4096 M BM Options Select lower settings to correct response problems Latency Timer msec Timeouts Minimum Read Timeout msec Minimum Write Timeout r n bl USB Serial Port COM4 Properties in Advanced Settings for COM4 ag Thad 9 mem Generai Pot Setings Diver Detais cen eme o M Bits per second 9600 USB Transfer Sizes Cancel Select lower settings to correct performance problems at low baud rates Defaults Miscellaneous Options Serial Enumerator Serial Printer Cancel If Powe
38. n Status information is provided by a blinking PWR LED See Section 5 for more details regarding status and error codes Blinks Code Description Steady ON System is ok Shaft position within measuring range 1 Outside Range for Turn Restore 2 Bad position signal gt Sensor may need to be paired to the controller box 3 No optical signal i e Fiber disconnected 4 System Problem PULL TERMINAL BLOCK STRAIGHT OUT Figure 5 Inserting Removing WAGO plug from MR330 unit Page 13 of 55 For streamlining wiring the WAGO connectors are removable as plugs This is a practical arrangement when wiring harnesses be prepared without the unit present or when the a controller unit needs to be exchanged for maintenance purposes MICRONOR INC MR330 Fiber Optic Position Sensor System 3 4 System Start Up without PC Computer It is recommended to use a PC laptop computer when bringing an MR330 Position Sensing System on line Micronor provides the ZapView software for setting parameters and for diagnostics of the system Checking the system after installation with ZapView provides assurance that the installation is complete and the system functions perfectly There may be instances where no PC is available Installations that use only the analog or SSI outputs do not require specific programming on site especially if the MR330 controller was specially pre configured for the customer s application at
39. nality is described within this instruction manual 3 6 Turn Counter or Turn Counter Size The MR330 controller keeps track of the turns using a 12bit counter The 12 bit counter is combined with the 13bits of single turn position information for a total of 25bit position information That arrangement allows for up to 4096 turns with a resolution of 13bits is a maximum position range of 33 554 432 Most real world applications do not require this kind of measurement range Therefore the user may want to limit the number of turns that the sensor keeps track of The size of the turn counter is controlled by the user programmable Turn Counter variable This number defines how many bits deep the turn counter is counting until it rolls over back to zero Please note there are no negative position numbers all position number are positive 12 bit turn counter 13 bit single turn position 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 2 counter length selector Page 17 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Example The application needs to measure a position over 12 4 turns The next binary number is at 16 and therefore the turn counter should be programmed to count to at least 16 turns For this to take effect set the turn counter variable to 4 because 2 equals 16 Only the fi
40. nd configuration purposes To make interfacing PC computers easy there is a built in USB interface as well The SSI interface is often used to interface with PLC controllers and other automation equipment This output always toggles out fixed 25bits but derives it s information after the turn mask and therefore maximum read out values are restricted to what the turn mask is configured to The Current Output is a fully isolated 4 20mA loop powered output It has three programmable operating modes and scaling is over the full range of 25bits Digital to analog output resolution is 13bits The Voltage Output provides voltage from 10V to 10V and it has four programmable operating modes and scaling is over the full range of 25bits Digital to analog resolution is 12 bits plus sign Page 16 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Two independent digital Set Point outputs provide a Limit Switch like behavior These outputs can be programmed to turn ON or OFF at a specific position with the full 25bit range available These outputs can drive or sink approximately 10mA at 24V An additional digital output is tied together with the Zero LED indicator and the output goes high when the unit is at the zero or home position One external input is provided to Set the programmable home position usually zero When this input goes high then the position is set to the user programmable home position Detailed usage and functio
41. ng Distance Transmission without Interference Utilizes standard 62 5 125um communications fiber VV VV ON v V Multiple interfaces built in into one unit o SSI Interface o MODBUS RTU via RS422 RS485 serial interface o USB Interface o Two Scalable Analog Position Outputs 10V and 4 20mA o Two Programmable Digital Set Points User settable Zero Position External Zero Position input Zero Position Indicator LED for easy installation Powers from 12V DC to 32VDC Low Energy consumption 1 8 Watts Built In Battery Backup connection VV VV ON ON V ZapView Setup Software Page 7 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 2 Initial Preparation 2 1 Unpacking and Inspection The unit was carefully inspected mechanically and electrically before shipment When received the shipping carton should contain the following items listed below Account for and inspect each item before the carton is discarded In the event of a damaged instrument write or call your nearest MICRONOR office in the U S A Please retain the shipping container in case reshipment is required for any reason 2 2 Damage in Shipment If you receive a damaged instrument you should 1 Report the damage to your shipper immediately 2 Inform MICRONOR 3 Save all shipping cartons Failure to follow this procedure may affect your claim for compensation 2 3 Standard Contents MR332 Sensor e MR332 Sensor Unit with fiber cable leng
42. nvneenn 38 TG rd Le EE 40 6 SPCCIICALOMS srda ITII 41 Page 3 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 6 1 MR332 Sensor Gpechfications EE 41 6 2 MR330 Controller Specification EE 42 T ZapView RT 44 7 1 ZapView MR330 Setup Software Installation Guide 46 8 MR330 Theory of OPE I ives ucUaiss itasse psutUaa qv qDad Eege 50 9 Mechanical Reference Drawings EE 53 9 1 MR330 1 Controller irri rege t ed nsa i cuve ede va su eS Peu tex ve d mes 53 9 2 MR332 Sensoruundummmnene rm saria ENEE 53 List of Figures Figure 1 Micronor MR330 Fiber optic Position Sensor System 6 Figure 2 Sensor mounted using Servo Camps 9 Figure 3 Mounting MR330 Controller on DIN Rail 10 Figure 4 How to insert and remove wires from WAGO plug 12 Figure 5 Inserting Removing WAGO plug from MR330 unit sssss 13 Figure 6 Block Diagram of MR330 SySEOITiui iiu rentes eebe Xs CXEFE FR c EF nice 16 Figure 7 SSI Interface Connector J2 10 pin EE 19 Figure 8 SSI Termination Resistor Switch 20 Figure 9 SSI Single Transmission Timing 202i acucuuu utut paa nasa dade aod pando Clo dandi dd uuu nnud 20 Figure 10 Mode 1 Voltage Output enee det 21 Figure 11 Mode 2 Voltage Output ge s egtesdere d e a pesada c gen 22 Figure 12 Mode 3 Voltage Output sscsnidctsncsarssntesnadineassteinsavscciveaadevintdnuedenepidansreansewin
43. on is not fail safe A better method is to use a Battery backup and keep the unit powered up even over prolonged power outages The MR330 Controller has a dedicated 12V battery input Connect a 12V battery of 1Ah or higher capacity the J1 And GND Page 18 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System When the supply voltage is removed the 12V battery will keep powering the unit Current draw is approximately 80mA A typical sealed lead acid battery with 3Ah will keep the controller alive for some 38 hours There is a 10mA trickle charge provided from the MR330 controller as long as the regular 24V is applied 3 9 SSI Interface The MR330 Controller communicates the position information as an SSI SLAVE to the servo controller or similar devices The SSI master supplies the clock within the range of 25kBaud to 250kBaud clock speed and toggles out 25 bits from the MR330 Controller Resistor CLOCK o 26 Figure 7 SSI Interface Connector J2 10 pin The SSI interface is configured as Slave and the master must supply the clock The clock maybe in the range from 25kHz to 250kHz The user should also set the MR330 with the appropriate clock rate This will allow the MR330 to provide correct timing for repeat read mode on the SSI bus If not sure how to set the SSI baudrate leave it at the lowest setting of 25k baud this setting will work fine in most applications Page 19 of 55 MICRONOR INC MR330 Fibe
44. ower ON Ox304 Ox305 n a 1 n a 0x305 0x306 n a n a 0x306 0x307 n a n a 0x307 0x308 n a n a 0x330 0x331 DAC 1 Chan 1 1 Internal Digital to Analog Converter Value Positive Voltage Output 0x331 0x332 DAC 1 Chan 2 1 Internal Digital to Analog Converter Value Negative Voltage Output 0x332 0x333 DAC 1 Chan 3 1 Internal Digital to Analog Converter Value CCD Bias voltage 0x333 0x334 DAC 1 Chan 4 1 Internal Digital to Analog Converter Value Optical source bias Voltage 0x334 0x335 Reserved 0x339 Ox33A Optical Pulse Time 1 0 65 Factory use only Determines the Optical Pulse Strength for Sensor interrogation 0x800 Ox801 Device Name 4 n a Returns the ASCII string equivalent as device name MR330 Ox804 0x805 Version 4 n a Returns the ASCII string equivalent of the software version form MM mm bb 0x808 0x809 Serial Number 2 n a Returns the serial number of the device Note MaxCount 2 25 1 gt 33 554 431 Page 32 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System FUNCTION FC05 Write Single Coil Single Coil commands are used to trigger an action Register Register Name Description Address Number Ox001 0x002 Device Reset Same as a Power OFF and Power ON cycle 0x002 0x003 Save to EEPROM Save current parameters to EEPROM A time delay of approximately 20ms should be allowed before sending ny other command 0x003 0x003 Restore Restore all configuration parameters from E
45. r Off Event On Surprise Removal SetRTS On Close Disable Modem Ctrl At Startup e re Select OK when done ZapView is now ready to use Start Run ZapView by selecting the Desk Top short cut Or use the Start Menu Set 2 for the Latency ZapView can communicate with the MR330 Controller via a standard PC Serial port if the PC does not have a serial port use a USB port The USB cable must have a type B connector at the end that plugs into the MR330 Controller or use the optional MR232 1 RS422 RS485 to RS232 Adapter Cable To start ZapView communicating with the MR330 Controller click on Communication at the top of the ZapView window Page 48 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System R330 ui De vr MR33 mmunication View Help About File Co serial not connect MR 330 1 Controller SSI The PC Serial Port Setup window will pop up Disconnected MR330 Device Address Addr 1 to 255 Addr 235 is default Ready MR330 Device Address Addr 1 to 255 Addr 235 is default 235 Serial Interface 4 oe Fer 3 d ol cw Select the Serial Interface COM port on the PC that is connecting to the MR330 Controller The baud rate Is 57600 default After selecting the Com Port and Baud rate select Open The PC serial Port Setup will display Ready when communication is established
46. r Optic Position Sensor System Termination Resistor For long link length and high clock rate it may be necessary to terminate the Clock line at the MR330 in order to avoid reflective signal interference There is already such a resistor available and the resistor maybe configured manually Underneath Connector J2 you find two switches To activate the 125 Ohm termination resistor for SSI use the switch SW2 to the left SW3 to the right is for terminating the MODBUS serial Interface Transmission signal levels are typically O 5V and are of line driver type as required by the SSI specifications Figure 8 SSI Termination Resistor Switch SSI Single Transmission The diagram in below illustrates a single data transmission using SSI protocol 1 Clock Sequence 2 Clock Sequence tp Figure 9 SSI Single Transmission Timing The SSI is initially in the idle mode where both the data and clock line are high The transmission mode is evoked when the master initiates a train of clock pulses Once the slave receives the beginning of the clock signal 1 it automatically freezes its current data With the first rising edge 2 of the clock sequence the MSB of the sensor s value is transmitted and with consequent rising edges the bits are sequentially transmitted to the output After the transmission of complete data word 3 i e LSB is transmitted and an additional rising edge of the clock sets the clock line to go HIGH
47. range of 25 bits is available for the set point limits The switching point has a fixed defined hysteresis of 5 counts 0 22 This hysteresis prevents undesired chatter on the output Page 24 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Normal dd x ON 1024 OFF 3413 OFF 1024 ON 3413 To program simply define the point in position counts where the output should turn ON Set_Point_ON and then define the point where the output should turn OFF again Should the output be inverted reverse the position points of the two entries and the output will switch at the same position but with reversed sign In ZapView select page Set Points MODBUS commands 0x230 0x231 Set Point 1 On 0x232 0x233 Set Point 1 Off 0x234 0x235 Set Point 2 On 0x236 0x237 Set Point 2 Off Page 25 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 4 Serial Communication MODBUS Integration with a PLC or other host computer within an automation system is via the ModBus compatible serial interface Obviously the main purpose is to query the MR330 controller for position information which is accomplished by reading Register OxOO1 In most cases it is recommended to also include the status information registers OxOOO with the position register OxOO1 for the same read request In addition to the position register the MR330 provides a host of auxiliary functions and parameter settings that t
48. rst 4 bits of the turn counter are now activated 12 bit turn counter 13 bit single turn position 4 bits 3 7 Multi Turn Operation The MR330 controller accurately counts each while the system is powered and the remote sensor is connected under these conditions quasi multi turn operation is possible If remote sensor is disconnected and the sensor position is moved past the zero point then the turn counter is no longer synchronized with the actual position Similarly if the power to the controller is lost then the sensor can no longer keep track of turns The MR330 saves the last position including the turns just as the electrical power is removed from the unit Often the application is such that when power is lost no further movement of the sensor is possible Under these circumstances turn the user may elect to have the MR330 controller restore the turns upon power on To safeguard against erroneous position restore the MR330 controller compares the new start up single turn position with the position saved at power down If that comparison falls within a user defined range then the turn counter is restored Together with the absolute single turn position the actual multi turn absolute position is retained even when there was power outage Note User must decide if a quasi Multi Turn operation is feasible and appropriate 3 8 Battery Backup for Multi Turn Operation The quasi multi turn operation as described in the previous secti
49. s Eent 5 1 2 Fiber Optic Position Sensor EEN 5 1 3 VIE 7 2 Initial El ele Lg el EE 8 2 1 Unpacking and Inspection 8 2 2 E Er en ee ttm 8 2 3 Standard Contents oeisedeceaides tee accedo ense uo nasse eden er oe aser EEES 8 3 Installation and Operation 9 3 14 Mounting th Sensor UN c riain 9 3 2 Mounting the Controller rit essen eege eegen eessen d ge 10 33 Connecting the Controller eege eege Eege 11 3 4 System Start Up without PC Computer 14 35 Functional System E 15 3 6 Turn Counter or Turn Counter Glze EEN 17 3 f Multi Turn Operations van un aeter pedo cte uae ed aeuo ova saura co dE edeet 18 3 8 Battery Backup for Multi Turn Operation 18 3 9 SOU nn le 19 3 10 Voltage CUTOUT E 21 3 11 Isolated Current Output 2 20m EE 23 3 12 Digital Set Points 2o ipud vINSRITEI S Rx bar RN n ERAK Nd etu RM US rb AnaxR MR DR nannan ennan dnne 24 4 Serial Communication MODDBUS ENEE 26 4 1 TTC Gu E ge irit neni deed oet exei ee gea dann deeds 26 4 2 Serial Interface Specification EE 27 4 3 Physical Connection for ModBus operation rrsrvrrnannvvvnnannnnvnernnnnvnvennnnvneennn 27 4 4 Serial Bus Termination Hesistor EE 28 4 5 MODBUS Communications Protocol EE 28 5 MR330 Error Handling and Troubleshooting AE 34 5 1 Explanation of Status and Error Handling sv 34 5 2 Explanation of Status and Error JIndication E 34 5 3 Reading The Error Re te 38 5 4 About Statistical Read Error Determination srvnnnnnnvvvnnnnnvnvnnnnnnnvneennn
50. s and distance exceeds 5m then using the built in termination resistor is advisable Lift J2 and the right hand switch is for bus termination of the serial bus signal The 125 ohm termination resistor is inserted when the switch is shifted to the left 4 5 MODBUS Communications Protocol The communications protocol follows the Modbus RTU binary protocol A number of commands allow for configuring the operational parameters of the MR330 while other commands are specifically meant for diagnostics used during setup maintenance and troubleshooting The status and position readout registers are intentionally arranged in sequence for a quick readout while system is in operation mode The format for the commands and responses in general follow the MODBUS RTU specification with the exception that not all registers maybe combined within one readout sequence See table below for allowable register combination Page 28 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System gt MODBUS information can be obtained at www modbus com vw What Is ZapView Setup Software M MICRONOR provides ZapView a user friendly setup program free of charge B along with the purchase of the MR330 system ZapView runs on Windows XP Vista Windows 7 and requires net Framework4 0 to be on the machine Please refer to section x xx for detailed information gt Unless you plan to connect the MR330 to your own PLC or computer equipment for
51. should be oriented to coincide with the system midpoint With the sensor powered ON turn the shaft until the ZERO indicator LED is ON When this LED is On then the sensor is within a few degrees of the zero position Then mechanically align the shaft with the system It is also possible to mount the sensor regardless of the zero position and then position the entire system to the desired origin zero location With the MR330 unit powered up and the fiber connected activate the ZERO button on the MR330 unit This will teach the sensor the new zero point and the unit will retain that position even when electrical power is turned off Page 9 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 3 2 Mounting the Controller Unit The controller unit may be best mounted on DIN rails There are two clamps on the bottom of the unit Slide the unit onto the DIN rail starting from top and hook the bottom onto the rail To remove the unit from the rail press the unit firmly down and lift the bottom away from the DIN rail Figure 3 Mounting MR330 Controller on DIN Rail Page 10 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 3 3 Connecting the Controller A duplex fiber optic cable is used to interconnect the sensor and controller The sensor incorporates a 3m optical pigtail or as specified by customer If a longer connection to the controller is required then an extension fiber cable having duplex LC connector may be
52. sition Sensor System Connect the system and make sure you have access to the sensor so that the sensor can be rotated during the pairing process If the machine can slowly drive 6Orpm or higher the sensor then that would work well Otherwise the sensor maybe turned by hand but it should be a somewhat steady motion Steps al Start the process by pushing down the ZERO home position switch and hold it until both the running and zero LED start blinking b Now turn the sensor steadily until the LED s stop blinking c Once the two LED s stop blinking then the unit restarts itself and the Power LED should go On steady If the process does not seem to end after approx 30 seconds Restart the power and repeat the process 3 5 Functional System Overview The MR330 system consists of an electronically passive Sensor MR332 which is connected to the MR330 Controller via a duplex 62 5 125um optical fiber link The MR330 Controller constantly probes the sensor by sending a short optical pulse to the sensor The sensor modulates the optical spectrum of that light pulse depending on the current sensor position The MR330 controller receives this modulated optical signal and calculates the position The system is a Single Turn Absolute position sensor However the controller provides mechanism to use the system as a quasi multi turn position sensor Figure 6 shows the functional blocks to which the user interfaces This block diagram do
53. tainless Steel Moment of Inertia TBD Max Shaft Loads TBD Bearing Life MTBF 1 36E 06 hours 155 years TBD Bearing Life calculated at 2 500 RPM and 50 of Maximum Radial Axial Shaft Load Weight 500g 1802 Dimension Diameter 58m Length 73m Industry standard 58mm servo mount housing Operating 40 to 80 C continuous Temperature Storage 40 to 80 C Humidity 0 to 95 RH non condensing Ingress Protection IP64 Specifications subject to change without notice Page 41 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 6 2 MR330 Controller Specification Position Output Formats SSI 25bits Programmable Baudrate 25kHz 250kHz Modbus compatible RS422 RS485 interface USB FTDI disables Modbus interface Current Output Isolated 4 20mA 250V isolation Accuracy 0 25 Full Scale Frequency Response 30Hz Max Burden Resistance 500Q 24V supply Position output scalable by user Voltage Output 10V to 10V non isolated Accuracy 0 20 Full Scale Frequency Response 60Hz Max Current 5mA 2kQ load Short Circuit 5 sec Position output scalable by user Position Set Point Outputs OV 24V maximum 10mA Load Angular Speed w 250 r s 250radians sec equiv 2 400rpm for accurate position reporting Update rate 1 71kHz 850us Every 850us a new reading is output Reporting del
54. th as ordered and terminated with Duplex LC connector e Test Protocol Sheet e Instruction Manual this document one soft copy supplied with each shipment MR330 1 SSI Controller Module e MR330 1 Controller Module WAGO type connector inserted as part of the unit WAGO connector wiring tool WAGO strain relief quantity 3 MR330 Short Instruction Manual Paper Copy MR330 Full Instruction Manual supplied as PDF on CDROM ZapView Setup Software on CDROM Available accessories must be ordered separately e MR332A set of 3 synchro clamps and screws e MR320 DOGCXX cable assemblies for extended links e MR320C Duplex LC mating adapter for connecting cable segments Page 8 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 3 Installation and Operation 3 1 Mounting the Sensor Unit 2mm TE 0 079in ING P 29mm SECH MOUNTING PANEL e 3X B0 169in THRU MOUNTING PANEL EQ SPCD AS SHOWN 42mm 18 64mm 1 654in Q0 734n THRUMIN D bi H A SYNCHRO CLAMP 50 22mm SECTION B B Q1 980in B SYNCHRO CLAMPS WITH MOUNTING SCREWS The sensor unit has a 58mm flange Use at least 3 clamp nuts to secure the sensor to the shaft A set of 3 clamps with screws can be ordered as model MR332A A flexible shaft coupling should be used for coupling to external motor shaft Figure 2 Sensor mounted using Servo Clamps The shaft
55. the factory or the customer is using the default settings Install the sensor as described above connect the fiber optic line and apply 24V to the MR330 controller If the power LED comes ON steady state that means all tests are good and the system is ready to go If the LED indicates system OK then all is left to set the home zero position Bring the system to the desired home location and activated the recessed button as shown in figure below If the power LED does not turn steady state after approximately 5 seconds that indicates the unit is MR330 MICRONOR not fully functional Count the number of blinks and proceed as shown in table below Blinks Meaning Remedy 1 No Connection Check the optical fiber link for high losses 2 Requires Pairing System needs to correct for optical fiber losses and discrepancies in Sensor Unit Perform pairing operation which can be done without a PC 3 Supply Voltage Either internal or external supply voltages are out of range Check the 24V power supply and the connection to the MR330 controller Also check current draw of the unit it should be less than 80mA When the MR330 controller indicates a Status then it is advisable to use a ZapView on a PC and connect the PC via USB or serial interface to the MR330 to troubleshoot the problem Pairing sensor and controller without a PC and ZapView Page 14 of 55 MICRONOR INC MR330 Fiber Optic Po
56. uUA Mode 1 Single turn 4mA to 20mA Mode 2 Scalable 4mA to 20mA Page 23 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System MODE 1 automatically sets the Scale to 8192 It outputs 4mA when position is O and 20mA when position is 8191 Output wraps around back to 4mA when position changes from 8191 to O at the completion of one turn This wrap around occurs regardless of the Turn Mask setting 1658 8191 Figure 14 Mode 1 Current Output MODE 2 The user programmable scale defines the position 20m where 20mA output current is reached The full 25bit range is available for scaling When setting this mode the user should also take into account what should happen when the position reaches maximum or minimum values The wrap around point is based on the available position range which is based on the turn mask setting n The Countmax is then 2 ias m n n Figure 15 Mode 2 Current Output Countmax Scale Scale Pw 2 The wrap point Pwis determined based on the formula above It is the midpoint between the un used range In ZapView select page Current Output MODBUS commande 0x204 0x205 Current Mode 0x205 0x206 Current Scale 3 12 Digital Set Points There are two independent user programmable digital set points These set points once programmed may be used as limit switches Each output can drive a load of 10mA with 24V output The full multi turn
57. ved Ox10D Ox10E Reserved Ox10E Ox10F Reserved 0x200 0x201 Voltage Mode Defines the output mode for the voltage output O OFF no Position Output 1 Single Turn O to 10V 2 Multi Turn O to 10V 3 Multi Turn 10V to 10V 0x201 0x202 Voltage Scale O MaxCount Establishes the scale used for the voltage output Regardless of Voltage Mode setting 10V refers to the scale value When the position count reaches the scale value the output is 10V 0x204 0x205 Current Mode Defines the output mode for the current output O OFF current is lt 300uA 1 Single Turn 4 to 20mA 2 Multi Turn 4 to 20mA 0x205 0x206 Current Scale O MaxCount Establishes the scale used for the isolated current output Regardless of current Mode setting 16mA refers to the scale value When position count reaches the scale value then the output is 16mA plus 4mA bias for a total of 20mA 0x208 0x209 Reset Mode Defines how the hardware input resets the internal counter 0 Edge Triggered resets the counter at the first rising edge 1 Debounced Trigger when state changes from O to 1 after 60ms debounce time used for switch or relay input 0x209 Ox20A Peset Value O MaxCount Counter will be preset to this value when the Zero push button is pressed or when hardware input is activated See Reset Mode Ox20B Ox20C Turn Direction 0 1 De
58. w software If the PC does not have a serial port then use a standard USB Cable on a USB port the cable must have a type B connector at the end that plugs into the MR330 Controller Figure 16 Photograph of MR232 1 RS422 RS485 to RS232 Adapter Cable 7 1 ZapView MR330 Setup Software Installation Guide ZapView PC Software for configuring the Parameters of the Micronor MR330 Fiber Optic Position Sensor and for familiarization with the many features of the unit System Requirement The ZapView Software requires the NET FRAMEWORK 4 0 Client to be installed on the PC If your system does not have the NET FRAMEWORK 4 0 Client installed follow the instructions in Step 1 To install the NET FRAMEWORK 4 0 Client Installation of ZapView is simple The Installer will install the necessary files on your PC follow the steps Step 1 Insert the ZapView CD into the CD drive The program should start automatically if Autoplay is enabled on the PC If the installation does not start automatically simply Run the Autoplay exe program from the root directory of the ZapView CD then Select the Install ZapView Software A second option is to run the Setup exe program from the root directory of the ZapView M CD Page 46 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System If you encounter the following error ZapView 1 0 0 Setup 4 An error occured while downloading a required file You may retry downloading
59. without being affected by ground loop problems This innovative product measures absolute angular position from O to 360 with 13 bit 8192 count resolution at speeds exceeding 2500 rpm and distances up to 300 meters The sensor modulates the optical signal based on the exact position of the sensor disk This modulated optical signal is analyzed within the controller and translated into the position signal Because the sensor is electrically passive it can be deployed in EMI RFI intense environment without being disturbed by such interference The position signal is measured and updated at a rate of 1 2 kHz The controller provides a host of interface capabilities such scalable analog voltage and current outputs digital SSI Serial Synchronous Interface output and a MODBUS compatible serial interface Figure 1 shows the position sensor connected to the controller unit There are two optical fiber strands within the blue cable One fiber is to transmit light to the unit and the second fiber is to receive the modulated light from the sensor unit Page 5 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System Figure 1 Micronor MR330 Fiber optic Position Sensor System Page 6 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 1 3 Features Absolute Angular Position with 13 bit 8192 Resolution Multi turn tracking to 12 bits 4096 turns Immune to Electrical Interference Zero Emitted Electrical Radiation Lo
60. y This warranty does not apply to defects resulting from unauthorized modification or misuse of any product or part This warranty also does not apply to Fiber Optic Connector interfaces fuses or AC line cords This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability of fitness for a particular use MICRONOR INC shall not be liable for any indirect special or consequent damages Contact Information Micronor Inc Phone 1 805 499 0114 750 Mitchell Road Fax 1 805 499 6585 Newbury Park CA 91320 USA Email sales micronor com USA URL www micronor com For Europe Micronor AG Phone 41 44 843 4020 Pumpwerkstrasse 32 Phone 41 44 843 4039 CH 8015 Regensdorf Email sales micronor ch SWITZERLAND URL www micronor ch Page 40 of 55 MICRONOR INC MR330 Fiber Optic Position Sensor System 6 Specifications 6 1 MR332 Sensor Specifications Range 0 to 360 Mechanical range unlimited Unit wraps around Resolution 13bits 8192 Maximum RPM 2 500 No missing read outs 6 500 mechanical maximum rpm Fiber Type 62 5um 125um 250um The sensor is attached by 2 fibers One GI 0 275 NA input fiber one output fiber Pigtail Length 2m to 25m User specified at time of order standard 3m 5m 10m Fiber Optic Connector Duplex LC PC polish Electrical Interface SSI Supports Baudrates up to 250kHz Shaft Dimension 9 525mm 14mm 375 x 0 55 S

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