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Micronor MR430 Series Instruction Manual

Zapfree fiber optic absolute encoder system
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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 MICRONOR INC.
MR430 Series
ZapFREE
Absolute Encoder System
Instruction Manual
Doc No: 98-0430-11
Revision A3 dated 17-August-2018
Notice of Proprietary Rights
© COPYRIGHT 2018, MICRONOR INC.
CAMARILLO, CALIFORNIA
UNITED STATES OF AMERICA
Fiber Optic
®
MICRONOR INC.
900 Calle Plano, Suite K
Camarillo, CA 93012 USA
PH +1-805-389-6600
FX +1-805-389-6605
support@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
support@micronor.com
www.micronor.com

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  • Page 1 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.
  • Page 2 MICRONOR INC. MR430 Fiber Optic Position Sensor System Revision History Revision Date Notes 8-March-2018 Initial Release 21-June-2018 Product release 11-July-2018 Added MR431 sensor diagrams 17-Aug-2018 Added System Loss Budget to MR430 Controller specifications Page 2 of 50...

  • Page 3: Table Of Contents

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Table of Contents Product Description ..................... 5 Position Sensor Background ..................5 Fiber Optic Position Sensor ..................5 Features ......................... 6 Initial Preparation ....................7 Unpacking and Inspection .................... 7 Damage in Shipment ....................7 Standard Contents ......................
  • Page 4 MR439 M-POF Cabling ....................44 List of Figures Figure 1. Micronor MR430 Fiber Optic Position Sensor System ..........5 Figure 2. Three Methods of Mounting MR431 Sensor – (a) Synchro Mount with Clamps, (b) Synchro Mount with Flat Washers, and (c) Face Mount................8 Figure 3.

  • Page 5: Product Description

    Time response of the actual position Fiber Optic Position Sensor The MR430 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 sensing position at high voltage power lines, within high magnetic fields (MRI) or explosive atmospheres.

  • Page 6: Features

    MICRONOR INC. MR430 Fiber Optic Position Sensor System 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 • MRI Safe Sensor, Non-Metallic •...

  • Page 7: Initial Preparation

    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.

  • Page 8: Installation And Operation

    3 methods of mounting the sensor. Detailed mounting instructions and dimensions can be found in the MR431 Reference Drawing in Section 9.2. a) Synchro clamps (set of 3x clamps and screw available as Micronor P/N MR431-1101) b) Flat washers Face mount Figure 2.

  • Page 9: Mounting The Controller Unit

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Mounting the Controller Unit The controller unit mounts on standard 35mm DIN rail, or it can be screw mounted to a wall or cabinet. • For DIN rail mounting, insert clip to the unit and then clip onto DIN rail by bending the clip tabs toward of the enclosure.

  • Page 10: Figure 4. Connections To Mr430-1 Controller

    MICRONOR INC. MR430 Fiber Optic Position Sensor System The Sensor Controller requires consumes approximately 60mA. A number of interface options exist: Voltage and current outputs are scalable using the ZapView® software. The 4-20mA current output is isolated and requires an external voltage source.

  • Page 11: Usb (J2) And Rs485/Ssi Interface Connections (J3)

    Connector Plug: Hirose P/N 3240-10P-C(50) Digikey P/N H11343-ND Mouser P/N 798-324010PC50 Recommended Cable: Tensility International P/N 30-00534 Digikey P/N T1355-5-ND Micronor P/N MR430-99-01 (available separately) is a pre-assembled pigtail assembly with 1m pigtail Figure 7. Plug for J3 Connector Page 11 of 50...

  • Page 12: Optical Connection

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Optical Connection The system uses two POF fibers: a.) Transmit fiber is a standard 1mm POF fiber. On controller this fiber connects straight into the blue LED transmitter receptacle. Push fiber all the way to the stop and then gently lock the blue collar nut.

  • Page 13: System Start-Up Without Pc Computer

    It is recommended to use a PC (laptop) computer when making the MR430 Position Sensing System operational. Micronor provides the ZapView® software for setting parameters and performing diagnostics of the system. Checking the system after installation with ZapView® provides assurance that the installation is complete and the system functions perfectly.

  • Page 14: Functional System Overview

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Functional System Overview The MR430 system consists of an all optical, non-electrical, passive sensor (MR431) which is connected to the MR430 Controller via a duplex POF and POIF fiber assembly. The MR430 Controller constantly interrogates the sensor by sending a short optical pulse to the sensor.
  • Page 15 One external input is provided to Set the programmable Home position (usually zero). When this input goes Hi, the position is set to the user programmable home position. There is an Auxiliary input available for special custom functionality uses. Contact Micronor sales if a special input function is required.

  • Page 16: Turn-Counter And Turn-Counter Size

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Turn-Counter and Turn-Counter Size The MR430 controller keeps track of the turns using a 12bit counter. The 12 bit counter is combined with the 13 bits of single-turn position information for a total of 25 bit position information. That arrangement allows for up to 4096 turns with a resolution of 13 bits is a maximum position range of 33,554,432.

  • Page 17: Multi-Turn Operation

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Multi-Turn Operation The MR430 controller accurately counts each turn while the system is powered and the remote sensor is connected. Under these conditions 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.

  • Page 18: 3.11 Ssi Interface

    For long link length and high clock rate it may be necessary to terminate the Clock line at the MR430 in order to avoid reflective signal interference. The user must install that resistor external to the MR430. (For OEM customers please consult MICRONOR as this resistor may be added inside the controller) Page 18 of 50...

  • Page 19: Figure 12. Ssi Single Transmission Timing

    MICRONOR INC. MR430 Fiber Optic Position Sensor System SSI Single Transmission The diagram in below illustrates a single data transmission using SSI protocol: Figure 12. 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.

  • Page 20: 3.12 Voltage Output

    MICRONOR INC. MR430 Fiber Optic Position Sensor System 3.12 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 0: OFF, voltage is always 0...

  • Page 21: Figure 15. Mode 3 Voltage Output

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Figure 15. Mode 3 Voltage Output MODE 3 is very similar to mode 2 but it makes use of the negative output voltage capability of the MR430. The output voltage follows the position output with 0 position being -10V and when the Scale value is reached the output is 0V and with position twice the scale value the output is +10V.

  • Page 22: Isolated Current Output (4-20Ma)

    MICRONOR INC. MR430 Fiber Optic Position Sensor System In ZapView®, select page: ‘Voltage Output” MODBUS commands: Address Register Description 0x200 0x201 Voltage Mode 0x201 0x202 Voltage Scale 3.13 Isolated Current Output (4-20mA) The isolated current output is derived from the position signal and may be freely scaled by the user.

  • Page 23: 3.14 Digital Set Point

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Figure 19. Mode 2 Current Output MODE 2 The user programmable scale defines the position where 20mA output current is reached. The full 25-bit 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.
  • Page 24 MICRONOR INC. MR430 Fiber Optic Position Sensor System 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 the reversed sign.

  • Page 25: Serial Communication - Modbus

    All the functions and parameter settings maybe programmed by the PLC during system initialization. An alternate way is to pre-configure the MR430 using the MICRONOR provided ZapView® software and permanently store all the parameters in the EEPROM. Specifically, an individual configuration of the MR430 controller is required when a specific Modbus address need to be preset before connecting the controller to the Modbus.

  • Page 26: Serial Interface Specification

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Serial Interface Specification • RS-422/RS485 Duplex addressable bus interface • Baud rate programmable: 9,600 / 19,200 / 38,400 / 57,200 or 11,5200 baud • 1 Start Bit • 8 Data Bits •...

  • Page 27: Serial Bus Termination Resistor

    What Is ZapView 430 Setup Software? ® MICRONOR provides ZapView®, a user friendly setup program free of charge along with the purchase of the MR430 system. ZapView® runs on Windows 10 and requires Microsoft .net Framework 4.0 to be on the machine.
  • Page 28 MICRONOR INC. MR430 Fiber Optic Position Sensor System  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 MR430 controller.
  • Page 29 MICRONOR INC. MR430 Fiber Optic Position Sensor System 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. 0x106 0x107 Get Temperature n/a for model MR430...
  • Page 30 MICRONOR INC. MR430 Fiber Optic Position Sensor System Read Only, only active during the pairing process. 0x13C 0x13D Reserved 0x13D 0x13E Reserved 0x13E 0x13F SSI_Mode 0..3 0 = Position, 1=Angle in 1/100° SPI Mode B0 = CKP; B1=CKE 0x13F 0x140 Setpoint Output 0..1...
  • Page 31 MICRONOR INC. MR430 Fiber Optic Position Sensor System 0 = do not restore turn counter. 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...
  • Page 32 MICRONOR INC. MR430 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 0x001 0x002 Device Reset Same as a Power OFF and Power ON cycle.

  • Page 33: Mr430 - Error Handling And Troubleshooting

    MICRONOR INC. MR430 Fiber Optic Position Sensor System MR430 - Error Handling and Troubleshooting Explanation of Status and Error Handling The MR430 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.
  • Page 34 MICRONOR INC. MR430 Fiber Optic Position Sensor System Error Groups Group 4 Group 3 pos_fu RS422/485 pos_rp Absolute Single turn 13bit Current Scaling Turn Counter 12bit Voltage Scaling Group 1 EEPROM Set-Point 1 Set-Point 2 Group 2 Power ZERO RESET...

  • Page 35: Table 1. Table Of Error Codes

    MICRONOR INC. MR430 Fiber Optic Position Sensor System more, than ±10% such an error is indicated but since the MR430 works flawlessly in the range of 15V to 30V there is no cause for further error indication. Table 1. Table of Error Codes...
  • Page 36 MICRONOR INC. MR430 Fiber Optic Position Sensor System Voltage 12V Recycle Power Timed self- Blink 4x Internal 12V out of tolerance If persist repair clear or self- clear when Code restored Voltage 24V Low Apply proper voltage. self-clear Blink 2x User applied 24V is of +/-10% It’s ok to operate unit...
  • Page 37 MICRONOR INC. MR430 Fiber Optic Position Sensor System The sensor has moved determine if the stored  outside ‘Restore’ position value while power was off. restored system needs to be homed. also Restore range Command R Communication Failures Description Remedy...

  • Page 38: Reading The Error Counters

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Reading the Error Counters The entire packet of all 24 error counters may be read by issuing MODBUS command 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.
  • Page 39 MICRONOR INC. MR430 Fiber Optic Position Sensor System T1 < 1024 Inc T1 T2 < Inc T2 NewE rror T1 < 1024 Error (1024) T2<5 6000 Error (56000) Reset T1 Reset T2 Clear Error Page 39 of 50...

  • Page 40: Warranty Information

    Warranty Information Warranty MICRONOR INC. 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.

  • Page 41: Specifications

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Specifications MR430 Controller Specification Position Measurement Single Turn Resolution 13 bits, 8192 counts, 0.044° Turn Counter Up to 12 bits (4096 turns) Electrical Interfaces Up to 25 bits (13 bits ST + 12 bits Multi-Turn), Programmable baudrate 25 kHz –...

  • Page 42: Mr431 Sensor Specifications

    MICRONOR INC. MR430 Fiber Optic Position Sensor System MR431 Sensor Specifications Measurement Parameters Measurement Range 0° to 360° (continuous) Resolution 13 bits (8192), 0.044° Accuracy 0.5° max, 0.3° typical Repeatability ±0.175° Maximum RPM 500 RPM continuous, 2,200 RPM intermittent Note: 2200 RPM for <2 seconds duration, in stop motion allowed...

  • Page 43: Zapview®-Mr480 Software

    MR430 Fiber Optic Position Sensor System ZapView® -MR480 Software Micronor provides ZapView®-MR480 for configuring MR430 Controller Module. ZapView® is used to pre- program MR430 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.

  • Page 44: Mechanical Reference Drawings

    MICRONOR INC. MR430 Fiber Optic Position Sensor System Mechanical Reference Drawings These reference drawings can be found on the following pages. MR430-1 Controller MR431 Sensor MR439 M-POF Cabling Page 44 of 50...
  • Page 45 PROPRIETARY AND CONFIDENTIAL ANGULAR: ±.5° THE INFORMATION CONTAINED IN THIS DRAWING IS INTERFACES. MATERIAL: THE SOLE PROPERTY OF MICRONOR INC. ANY SEE NOTES SIZE DWG. NO. REPRODUCTION IN PART OR AS A WHOLE WITHOUT MR430-1 THE WRITTEN PERMISSION OF MICRONOR INC. IS...
  • Page 46 ±.01 THE INFORMATION CONTAINED IN THIS DRAWING IS DRAWINGS SUBJECT TO CHANGE WITHOUT NOTICE. THREE DECIMAL PLACE: ±.004 THE SOLE PROPERTY OF MICRONOR INC. ANY FOUR DECIMAL PLACE: ±.0010 SIZE DWG. NO. FOR LATEST DRAWINGS, VISIT: WWW.MICRONOR.COM REPRODUCTION IN PART OR AS A WHOLE WITHOUT...
  • Page 47 .990 THRU 3X 4-40 UNC - 2B 3X #4-40 NYLON SCREWS 3X SYNCRO CLAMPS 33.02 1.30 BOLT PATTERN For Set of 3x Synchro Clamps and Screws, Order Micronor P/N MR430-1101 WWW.MICRONOR.COM 805 389 6600 TITLE: MR431 MOUNTING UNLESS OTHERWISE SPECIFIED:...
  • Page 48 ±.01 FOR LATEST DRAWINGS, VISIT: WWW.MICRONOR.COM THE INFORMATION CONTAINED IN THIS DRAWING IS THREE DECIMAL PLACE: ±.004 THE SOLE PROPERTY OF MICRONOR INC. ANY FOUR DECIMAL PLACE: ±.0010 SIZE DWG. NO. REPRODUCTION IN PART OR AS A WHOLE WITHOUT MR431 ANGULAR: ±.5°...
  • Page 49 ±.01 FOR LATEST DRAWINGS, VISIT: WWW.MICRONOR.COM THE INFORMATION CONTAINED IN THIS DRAWING IS THREE DECIMAL PLACE: ±.004 THE SOLE PROPERTY OF MICRONOR INC. ANY FOUR DECIMAL PLACE: ±.0010 SIZE DWG. NO. REPRODUCTION IN PART OR AS A WHOLE WITHOUT MR431 ANGULAR: ±.5°...
  • Page 50 ANGULAR: ±.5° SPECIFIED LENGTH. THE INFORMATION CONTAINED IN THIS DRAWING IS MATERIAL: THE SOLE PROPERTY OF MICRONOR INC. ANY SEE NOTES SIZE DWG. NO. REPRODUCTION IN PART OR AS A WHOLE WITHOUT MR430-99-01 THE WRITTEN PERMISSION OF MICRONOR INC. IS...

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