Notice of Proprietary Rights
Contents
1. CS b15 CS b14 CS b13 CS b12 CS b11 CS b10 CS b9 CS b8 CS b7 CS b CS b5 CS b3 CS b2 CS bl CS b0 Commands to the MR175 signal characters Note All single character commands may be either upper or lower case Set Output to Debug Mode ASCII A Bz B B5 B4 B3 B2 BI BO ee ee Set Output to Binary Mode default at start up ASCII B B7 B B5 B4 B3 B2 BI BO ee 8 0 Me _ Transmission Received with No Errors ASCII C B7 B B5 B4 B3 B2 Bi BO o p ritto rogo qo Des Ds Transmission Received with Errors ASCII E Request Transmission Packet ASCII R B7 B B5 B4 B3 B2 Bi BO o 1 o 1 o o 1 0 Reset and Initialize unit as in power up ASCII Will also check stuck keys B7_ B B5 B4 B3 B2 BI BO o 1 o tf o oj 1 o www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual The MR175 transmits a full transmission packet upon power up and upon change in state Following any transmission the MR175 will wait for 120ms for a response If the host does not respond within 120ms a second updated new transmission packet is sent If the response is C unit waits for more user input and sends the next packet when appropriate If the response is E unit transmits the last packe2. command instructs the MR175 to retransmit the previous packet again with the same data The host computer has the ability to query the MR175 with an r request command The MR175 will respond by sending the current binary packet The r command is useful for the host to periodically check if the MR175 is still connected and working properly Note that commands sent to the MR175 are not case sensitive If the host fails to respond to a transmission with either a c or an e within 120ms the MR175 will send another packet with updated information www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual MR175 Transmission Packet All 11 bytes of the entire fixed length transmission packet are always sent Byte 1 Start of Transmission ASCII P B7 B B5 B4 B3 B2 BI BO o o i o o o o This byte is a fixed starting marker The P character may change for certain debug mode transmissions See command characters Byte 2 Packet Count 0 255 B7 B B5 B4 B3 B2 BI BO The packet counter is incremented with each transmission except when the resend command e requests a repeat send Then the packet counter will not increment which is an indication that a packet previously sent is being resent Byte 3 Momentary Switch Data B7 B BS B4 B3 B2 BI
3. All instruments are insured when shipped by MICRONOR INC If you receive a damaged instrument you should 1 Report the damage to your shipper immediately 2 Inform MICRONOR INC 3 Save all shipping cartons Failure to follow this procedure may affect your claim for compensation www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Hardware Interface The hardware interface is accomplished by 8 wires terminated into a 10 pin Molex Connector Housing The customer provides a compatible PCB header interface 2 5inches 24 0 inches 4r Mounting S Dna Molex Housina Molded or fitted strain relief for a ca Machine faa roma ea E a 2 Se ee eS ee ee ee ee 5 Re geen X 5 Oo o 6 R be X 6 8 Estop black Estop 8 Oo ooo J o y d S i ne 10 shed shied Shied 10 Molex Header PCB Orientation Top View Pin 1 location Molex header 10 pin PN 22 23 2101 Tan Vicar www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual MR 175 Computer Handheld Customer Pendant Communications Serial Interface Specification RS 485 Full Duplex Single Drop Point to Point 57 400 Baudrate 1 Start Bit 8 Data Bits 1 Stop Bit Data Exchange Pr
4. BO S PP ll al aa Red Switch Byte 4 Rotary Switch Data B7 B B5 B4 B3 B2 Bi BO Mul b2 Mult b1 Mult bO _ Axis b3 Axis b1 Axis bO Bytes 5 6 MPG Encoder Data 32767 32 768 counts big endian B7 B B5 B4 B3 B2 BI BO EN b7 EN b EN b5 EN b4 EN b3 EN b2 EN b1 EN bO Note that the MPG encoder count data is the relative number of clicks of the MPG since the last acknowledged transmission Byte 7 Potentiometer 1 Data Feed Rate as unsigned byte Be B B5 B4 B3 B2 BI BO Feed Feed Feed Feed Feed Feed b7 b b5 b4 b3 b2 bl bO An unsigned number of 0 to 220 counts relates to the potentiometer state 0 to 100 Byte 8 Potentiometer 2 Data TBD as unsigned byte B7 85 B5 B4 B3 B2 BI BO tbd b7 tbd b tbd b5 tbd b4 tbd b3 tbd b2 tbd b1 tbd b0 This potentiometer is not implemented in the MR175 byte transmits the same number as byte 7 An unsigned number of 0 to 220 counts relates to the potentiometer state 0 fo 100 www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Byte 9 Error Data described below ey s 65 a 88 2 Le Err b3 Seen Error code table Bytes 10 11 Checksum 1 s complement of sum of preceding bytes big endian B7 B B5 B4 B3 B2 BI BO
5. Button Jog Momentary Button Enable 2 Momentary Buttons Position Selector Manual Pulse Generator Strong magnet mounting Water tight housing Warranty Information MICRONOR INC warrants this product to be free 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 INC representative or contact MICRONOR INC headquarters You will be given prompt assistance and return instructions Send the instrument transportation prepaid to the indicate 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 Warranty 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 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 www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Specif
6. Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual MICRONOR INC 3483 Old Conejo Road Suite 203 Newbury Park CA 91320 PH 805 499 0114 FX 805 499 6585 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 MICRONOR INC COPYRIGHT 2003 MICRONOR INC FIRST PRINTING SEPTEMBER 2003 NEWBURY PARK CALIFORNIA UNITED STATES OF AMERICA www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual EC Declaration of Conformity MICRONOR INC 3483 Old Conejo Rd Newbury Park CA 91320 USA declare under sole responsibility that the below listed Product manufactured in the United States of America meets the intent of the Directive 89 336 EEC for Electromagnetic Compatibility Compliance was demonstrated to the following specifications
7. SCII output and the output will now be in ASCII hex for each byte in the packet ASCII Hex output after the a command has MRI75 HyperTerminal been sent to the MR175 File Edit View Call Transfer Help Dw 4 25 amp P76 0008 P7 0006 0006 Move the controls on the MR175 and the output packet will show a change in the appropriate values lt Connected 0 01 17 57600 8 N 1 P80 OO 11 0001 3 0O B2 Start Character P Packet Counter Push Button Field Rotary Switch Field MPG Count Field Potentiometer 1 value Potentiometer 1 value Error Byte The ASCII debug mode allows for easy testing of the unit Keep in mind however that the error code will not be 0 since we do not send a timely acknowledgement www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Maintenance and Service The MR175 is typically hardwired into the customers pendant control unit Maintenance is typically restricted to cleaning the unit If for any unforeseen reason the MR175 stop transmitting or stop responding then it may be reset by pushing a recessed small button located between the JOG and TOOL In Out button This button can be depressed using a small screwdriver or a paperclip pin Cleaning The unit maybe cleaned with typical household detergents Use a damp cloth to wipe off any dirt grease etc Do not use ACETON based cl
8. as listed in the official Journal of the European Communities EN 50081 1 Emissions EN55022 Radiated Class B EN 55022 Conducted Class B EN 60555 2 Power Harmonics EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge IEC 801 3 RF Radiated IEC 801 4 Fast Transients IEC 801 5 Surge Product MR175 hand Held Pendant www micronor ch Handeingabegerat Handbediengerat mit serieller Schnittstelle MICRONOR automation components MR 175 Handheld Pendant Manual Table of Contents Product Description Features of MR175 Warranty Information Specifications Initial Preparation Unpacking and Inspection Damage Shipment Hardware Interface Communications Serial Interface Specification Data Exchange Protocol MR175 Transmission Packet Commands to the MR175 signal characters Exceptions Error Reporting Operating the MR175 on a Windows PC Maintenance and Service Cleaning Magnets Cable Replacement Other Repairs www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Product Description The MICRONOR INC MR175 Hand Held Pendant Station was developed to make the man machine interface easier safer and compatible with the base pendant station The elegant and ergonomically well fitting control was developed from the ground up including the actual users of such devices at each design stage The result o
9. de O No error Program memory Checksum of the program memory does not CS match Detected at start up 2 Watch Dog Timer The Watch Dog Timer reset the unit 3 Undefined 4 Undefined 5 Invalid Command Incoming characters that have no meaning to the MR175 6 Undefined 7 Undefined 8 Undefined 9 Rotary Switch 1 Invalid Switch 1 all contacts open 10 Rotary Switch 1 Invalid Switch 1 shorted contacts 1 Emergency Switch Invalid E Switch status normally closed is open 12 Emergency Switch Invalid E Switch status normally open is closed 13 Rotary Switch 2 Invalid Switch 2 all contacts open 14 Rotary Switch 2 Invalid Switch 2 shorted contacts 15 Undefined 16 Potmeter Potentiometer 1 or 2 5V reference is outside Reference range 17 Potmeter P1 wiper is outside range 18 Potmeter 2 P2 wiper is outside range 19 Potmeter High Side Potentiometer 1 or 2 fault high side is outside range 20 Potmeter Low Side Potentiometer 1 or 2 fault low side is outside range 21 Undefined 22 Undefined 23 Undefined 24 Undefined 25 Switch A Switch is pressed at start up Query switch field to determine which switch is stuck 26 Undefined 27 Undefined 28 Undefined www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Operating the MR175 on a Windows PC It may be desireable to connect the MR175 to a PC to test functions If
10. eaning products The magnets may regularly attract ferromagnetic metal shavings To clean use a pad with isopropyl alcohol and wipe off the button area of the magnets until the metal shavings are removed and the magnet surface is clean again Magnets The magnets are covered with a silicon pad for protection of the magnet Do not remove the pad as it will expose the magnet Magnets are made of rear earth metals and are brittle Magnets without a protection will easily shatter Cable Replacement In the harsh environment of machine shops it is possibly that the cable becomes damaged or severed In this case the cable maybe replaced by opening up the unit and the entire cable be replaced with a new replacement cable Remove the bottom cover of the MR175 Loosen the screw on the manual pulse generator where shielding wires are attached Unplug the 10pin Molex connection from the PC board Carefully slide out the cable boot and discard the damaged cable Install new cable following the steps above in reverse order SAK A Other Repairs Any other necessary repair shall be the factory www micronor ch
11. f this development effort is increased functionality and ergonomics The case is made from durable glass Polycarbonate plastics The MR175 incorporates functions e Manual Pulse Generator MPG 100 pulses 360 Axis selector Rotary Knob Scale Selector Rotary Knob Feed Rate Continuous Adjust Potentiometer Start Momentary Button Tool in Out Momentary Button Jog Momentary Button Emergency Stop Switch with redundant contacts All switches and controls are monitored by an internal microprocessor that communi cates via serial RS 485 peer to peer interface to the main station allowing for a lightweight yet rugged ii cable design and standardized interfacing with the CNC control computer All switch debouncing and A D conversions are performed locally within the MR175 The host computer receives commands via a transmission packet of 11 bytes that can easily be queried for switch status Customization of this unit is accomplished by selecting the appropriate controls and adapting the firmware within the MR175 www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Features of MR175 Resolution Selector Switch Emergency Stop Switch with Redundant Contacts Axis Selector Switch Slide Hold Momentary Button Tool In Out Momentary Button Feed Rate Potentiometer Start Momentary
12. ications Specification General Description Specification Electrical Voltage 15V to 26V DC Current 70mA typ 1OOMA max Serial Interface RS 485 Full Duplex Bit Rate 57 600 baud Manual Pulse Generator 100 pulses 360 mechanical step detent Data Format 11 byte packet transmission at 60ms max interval See section Communications for details Data Integrity 16 bit Checksum Cable Specification Description Specification Jacket Diameter Jacket Material Number of conductors Os O Cable length extended 15 feet 2ft Environmental specifications Description Specification Temperature Working 0 to 60 C Storage 30 to 80 C Humidity 30 to 85 RH working temp Sealed Splash proof to Nema 6 Occasional short time submersion Drop 3 feet on all six surfaces www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Initial Preparation 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 MICRONOR INC in Newbury Park California Please retain the shipping container in case reshipment is required for any reason Damage Shipment
13. ing a food command The following errors must be cleared sending command l initialize Error 1 Firmware Program Checksum Error Error 2 Watchdog Timer Error 25 Key pressed at start up When encountering an error message the host computer has several options 1 Send r command to request a new packet and determine if error was reset 2 After approximately one second retry r command again 3 Send initialization I command 4 If allowable ignore error and log error for later repair 5 Prompt operator to reset unit by means of pushing the reset button located below the Feed Rate Potentiometer using a small screwdriver 6 Disable unit and exchange with good unit www micronor ch MICRONOR automation components Handeingabegerat Handbediengerat mit serieller Schnittstelle MR 175 Handheld Pendant Manual Error Reporting Error reporting consists of both an error type the lower five bits of the byte and an error count in bits 6 5 of byte The error count exist for multiple errors detection but only one can be reported Whenever errors are detected the count shall be set to a non zero value indicating the number of errors detected maximum of 3 For multiple errors the error code shall be prioritized to the lowest number error code shown in the table below Error Type Description Co
14. otocol Although primarily a transmit device the MR175 is capable of both transmitting and receiving data All commands to the MR175 are single character codes and do not require any termination characters such as LF Line feed or CR carriage return characters If additional characters are sent they will be ignored When the MR175 is powered up it transmits an identification string MR175 Version x xx and then it will start transmitting in Binary mode One packet is transmitted with the initial states and each time the user presses a button or otherwise moves a control necessitating the initiation of a transmission packet Note The potentiometer values are internally converted to a binary number between 0 and 220 counts A D reading uncertainties can cause the transmission string to be transmitted without any user interactions www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual During normal usage the transmission packet is sent from the MR175 whenever the operator initiates a change on the MR175 controls Packet are never sent faster then 60ms from the previously sent package The host computer must acknowledge each package with a c command after checking the data and the checksum If the data was not received properly the host computer shall acknowledge and request the packet again with an e command The e
15. t and continues monitoring user input If no response occurs within 120ms or a response is received other than c or e the MR175 will modify the last transmitted packet as follows and send the updated packet The start of transmission byte is then as ASCII S indicating a second attempt The packet number shall be incremented by one Incoming invalid characters are reported as Error 5 invalid command Cr LF are discarded without error Exceptions Transmission Errors The RS 485 peer to peer link is very robust and errors are unlikely to occur In the case transmission errors do occur it can be recognized by the host when testing the two byte checksum The best remedy for an erroneous packet is to request a repeat packet by sending command e An unrecognized command received by the MR175 will be reported as Error 5 Invalid Command The exception is that CR LF are simply ignored www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Functional Errors To assure faultless operation the MR175 has extensive self checking mechanism and built in plausibility tests Should a malfunction occur it is reported by means of the error codes listed below Most error codes are automatically reset once the faulty condition is removed The exception is Error 5 Unrecognized Command This will reset upon receiv
16. the MR 175 is delivered with the RS485 interface then it is necessary to use an interface converter box that translates the RS485 signal levels to RS232 signal levels Commercial off the shelf interface adapters are available There are numerous sources for these devices such as Buy Converter http www buyconverter com signal_converters 6780 asp Connect the MR175 to the converter box and the RS232 side to the PC serial input connector No Hand Shake signal lines are required MR 175 Handhel d Pendant RS 232 to RS 485 Note Provide 24V power to the MR175 Use the Microsoft Hyperterminal as the communications platform You can normally find the terminal program under Programs gt gt Accessories gt gt Communications gt gt Hyperterminal on any Windows Platform Adjust the baudrate to 57 600 and select No Handshaking MR175 HyperTerminal BEE File Edit View Cal Transfer Help D 6 09 amp Turn on the MR175 by applying power to it The MR175 will now output the initialization string as shown to the right MR175 Version PO S2 qgP84 lt S2 Longas mP 4S2 k i J 2 Connected 0 02 07 ANSI 57600 8 N 1 www micronor ch Handeingabegerat MICRONOR Handbediengerat mit serieller Schnittstelle automation components MR 175 Handheld Pendant Manual Since the MR175 is programmed to output in binary format you may see some garbled text on the screen Type the command a for A
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