Mentor - crane lmi systems
Contents
1. 2011 Hirschmann Chambersburg 17201 Calibration Service Manual for Mentor ELECTRICAL SYSTEM DIAGRAM STANDARD SYSTEM 2 23 DESCRIPTION A 06 170 ADD BOM AND CALL OUTS B 07 015 CHG ITEM 11 TO QTY 4 FROM 3 C 08 182 ADDING PRES TRANS 5 1B ITEM PART NUMBER QTY DESCRIPTION 4 031 010 101 011 2 0 CABLE 5M CANBUS W MOLDEDM12 5 060755 10 SENSOR PRESSURE TRANS DAVS300CAN 1 4 PISTON 1 10609 6 060757 1 0 SENSOR PRESSURE TRANS DAVS300CAN 1 4 A ROD ID61d 7 7 000 301 723 051 2 0 CONNECTOR T IFLEX DATALOGGERM12 8 031 004 100 033 1 0 CABLE GUIDE LARGE MAINBOOM 9 031 004 100 028 4 0 CABLE GUIDE SMALL MAINBOOM 10 000 301 022 296 1 0 CONNECTOR RECEPTACLE 6 PIN 11 000 301 025 062 1 0 CONNECTOR ACCY INSERT 6 PINFEMALE 12 000 214 261 609 1 0 STRAIN RELIEF PG16 PG 9SREDUCER 13 021 441 090 909 1 0 STRAIN RELIEF PG 9 3mm WHITE 14 000 214 340 016 1 0 STRAIN RELIEF PG16 HOLE PLUG 15 000 301 022 060 1 0 CONNECTOR PLUG 6 PIN 16 000 301 025 061 1 0 INSERT 6 PINMALE 17 000 214 261 309 1 0 STRAIN RELIEF PG13 5 PG 9REDUCER 18 021 441 060 409 1 0 STRAIN RELIEF PG 9 4 6mm YELLOW WHITE 19 031 002 060 011 1 0 SWITCH A2B2. 2011 Hirschmann Chambersburg PA 17201 SI eS 2 e e Iam 10 11 12 13 E DUE 14 15 Table of Contents GENERAL INFORMATION uusa AUC a 4 WARNINGS T EN 4 SY OPEN i a 5 DESCRIPTION OF A CAN BUS SYSTEM iaia ail 5 DESCRIPTION OF THE SYSTEM COMPONENTS rin 6 CONSOLE INSTALLATION EO lai 7 SLEW ANGLE SENSING cir 8 PENG TR SENSING urli 10 ders Uc du dE sca a VE Re acy iaia 13 FLOAD SENSING E 14 CAN BUS COMMUNICATION cus ia 15 EDT uui uu aL Malte D MILI e Nl uu LI DIM ILE E 15 OL yaoi albi id ui IM Ii E I ia 16 cin DM 16 d 16 dom 17 A2B PROBLEM e a 18 TROUBLESHOOTING SENSOR PROBLEM USING THE DISPLAY 19 Bh co 22 COMPONENTS OF IHE MENTOR 2 lt 22 ELECTRICAL SYSTEM DIAGRAM STANDARD 5 00 111 222
3. l 335 4 031 010 100 642 1 0 WIRING HARNESS MENTOR 5M M23 5 031 300 104 092 1 0 KIT LMI SUPER STRUCTUREDAV IFLE X5 3 4 6 051045 1 0 CABLE ASSY CANBUS 5M W MALE amp FEMALE M12 0935253103 5M z 9 7 6079777 1 0 SENSOR LWG508 13 W 60M LC151 ANGLE 037 LENGTH 9 1 8 031 300 050 618 2 0 CABLE ASSY PCS30 5 PRESS 104 CONN SHIELDED 1500871 9 9 050813 1 0 S TRAIN RELIEF 07 24BLACK NYLON 10 031 010 101 007 1 0 11M CANBUS W MOLDEDCONNECTORS BLACK JACKET 11 o68 000 110 101 1 0 HARDWARE CLAMP FOR 1 8 CABLESTAINLESS STEEL 12 068 000 110 017 1 0 HARDWARE THIMBLE 3 16 CABLETYPE304 13 031 300 100 037 2 0 HARDVW ARE CHAIN CONNECTORQUICK LINK 2 7 16 14 1 0010333 00 1 0 CABLE CONN PG9 BLACK 157 314LAPP P N 52109 15 031 300 050 645 1 0 S TRAIN RELIEF PG 9 O RINGLAPP P N 5200 5730 16 031 300 050 695 1 0 CONNECTOR HIRSCHMANN 3 PE SOC934125 100 CA3LD 17 031 300 050 696 1 0 HIRSCHMANN 3 PE PIN934124 100 CA3LS 18 060868 1 0 CABLE ASSY 4 PIN MALE DEUTSCH amp 5 PIN MALE M12 CONNECTOR SYSTEM MENTOR LWG508 DAVS314 Hirschmann Automation and Control Inc 1665 ORCHARD DRIVE CHAMBERSBURG PA 17201 Hirschmann Electronics Inc reserves proprietary rights PAM 08 PLACES omi DRAWN 00655 06 0706 to this drawings and to the data shown thereon The 0 1 1 PLACE DEC 42 5mm APPROVED 0
4. 23 SERVICE SCREEN FOR SENSOR CALIBRATION 2 2 1 2 22 26 ACTIVATING THE SERVICE SCREEN FOR SENSOR 26 ZERO SETTING THE TRANSDUCER INPUTS Lv 27 CALIBRATE EENGTH INPUT ole nuege ia tudin IUE dl 28 CALIBRATE ANGLE INPUT iiis a Di idol il 29 CALIBRATE SLEW ANGLE 2 ail ai EM CU 31 A CALIBRATION WITH THE CONTINUOUS TWO WIPER 31 B CALIBRATION WITH THE 10 K 10 TURN POTENTIOMETER nennen nnn nnns 32 EENGTH SENSOR CALIBRATION ai 34 CABLE REEL LENGTH CABLE REPLACEMENT PROCEDURE eene 35 ERROR CODES a 36 TROUBLESHOOTING MOISTURE tts rne ili ina 42 WATER INGRESSO 42 CONDENSATNON Leila 43 2011 Hirschmann Chambersburg PA 17201 4 Calibration Service Manual for Mentor 1 GENERAL INFORMATION This service manual is designed to assist a service or maintenance person in identifying system problem areas or malfunctions A digital voltmeter with the capability to measure current will be required along with standard maintenance and service tools NOTE Knowl
5. LMI has to be ensured before starting the operation of the crane 2011 Hirschmann Chambersburg PA 17201 5 Calibration Service Manual for Mentor 3 SYSTEM DESCRIPTION The Mentor system is a CAN bus system consisting of a central micro processor unit operating console length angle sensor pressure transducers and anti two block switches The Load Moment Indicator system operates on the principle of reference real comparison The real value resulting from the pressure measurement is compared with the reference data stored in the central processor memory and evaluated in the micro processor When limits are reached an overload warning signal is generated at the operators console At the same time the aggravating crane movements such as hoist up telescope out and boom down will be stopped The fixed data regarding the crane such as capacity charts boom weights centers of gravity and dimensions are stored in memory in the central processor unit This data is the reference information used to calculate the operating conditions The operating modes are selected by the operating mode key on the console by scrolling through the text messages defining the boom truck configuration The crane load is measured by pressure transducers attached to the piston and rod side of the hoist cylinders Boom length and boom angle are transmitted by length angle CAN bus node mounted on the side of the boom in the angle sensor box The length
6. System program and load chart file do not match 2011 Hirschmann Chambersburg 17201 mE Upper limit value in e refer to E12 measuring channel pressure rod side has been exceeded E24 Upper limit value in e referto E14 measuring channel force has been exceeded Upper limit value in e refer to E15 measuring channel main boom angle has been exceeded Upper limit value in e refer to E16 measuring channel angle 2 has been exceeded E27 Upper limit value in e referto E17 measuring channel length telescope 11 has been exceeded refer to E12 refer to E14 refer to E15 refer to E16 refer to E17 refer to E1A refer to E1A Upload valid system software Replace central unit Upload valid system software Replace console Upload valid system program file or the valid crane data file Upload valid system program file or the valid load chart file 39 Error Code 7 Possible Cause e Write read memory Error in the write read memory RAM E47 Error in the monitored write read memory The CRC verification of the monitored write read memory provides an incoherent result Error in the crane data file Error in load chart file Error in crane data file Error in serial crane data file The number of the selected File base and the programmed value are not identical Error in the CAN bus data transfer for all CAN units 2011
7. defective 422 Blownfuseinconsole Replace2ampfuse Error the can bus Cable between the e Check the cable to the data transfer of the console and the sensor sensor unit wiring See pressure transducer unit defective or not section CAN Bus sensor unit connected Communication 22220122222 t Seswuntideece 2 Replace me sensor unit Sensor unit is defective Replace the sensor unit mo Error in the can bus Replace the sensor unit pressure transducer sensor unit are invalid See section CAN Bus sensor unit Communication Error in the can bus e Cable between the e Check the cable to the data transfer of the pressure transducer and sensor unit See section length angle sensor cable reel defective or not CAN Bus unit connected Communication Sensor unit is defective Replace the electronic board in the cable reel see section CAN Bus Communication Error in the can bus Angle sensor defective Replace the angle length angle sensor Sensor see section unit CAN Bus Communication Length sensor defective Replace the length Sensor see section CAN Bus Communication Sensor unit is defective Replace the electronic board in the cable reel see section CAN Bus Communication Error in the can bus See E62 See E62 data transfer of the 27 length angle sensor unit E67 Error in the can bus See E63 See E63 langle sensor unit Error in the can bus See E62 See E62 force sensor unit Error in the can bus See E63 See E63 forc
8. environment such as rain However through the use of spray cleaner at short distances it is possible to force water through the gasket or strain relieves For this reason avoid spraying any components from short distances with spray cleaners Convey this fact to any member of a maintenance crew Missing Loose Screws All screws have to be present and to be equally tight to ensure water protection of the enclosure If there are screws missing replace them If no screw is missing check the tightness If any were loose then open all screws and then re tighten them equally Bent Lid An enclosure will only seal correctly if the lid is not bent To check this loosen all screws of the lid take the lid off the box and visually inspect it for deflection If the lid is bent or damaged it needs to be replaced Try to determine what has caused the lid to be bent and eliminate the reason for that Order a new lid through your Hirschmann representative 2011 Hirschmann Chambersburg PA 17201 43 Calibration Service Manual for Mentor Defective Gasket The gasket underneath the lid seals the unit The gasket needs to be in good condition in order to seal correctly If the gasket is torn brittle or severely bent it needs to be replaced Order a new gasket through your Hirschmann representative Loose Strain Relieves The strain relieves allow cabling to enter the box without allowing water to enter it The strain relieves have to be correctly
9. position per instructions depending if the boom rest is forward or to the rear of cab If the slew angle is not within the 5 tolerance and OK is selected to confirm the calibration a screen will be displayed indicating the calibration could not be confirmed and further mechanical adjustment is required To save the calibration push the OK button after scrolling down to the Yes choice Select EXIT to leave calibration or select the CALIBRATE SENSORS to calibrate another sensor 2011 Hirschmann Chambersburg PA 17201 32 Calibration Service Manual for Mentor B CALIBRATION WITH THE 10 K 10 TURN POTENTIOMETER OK Use and 4j keys to slew angle calibration and press eg Confirm that you want to calibrate OK the slew angle by selecting YES and pressing to calibrate the selected sensor Note Slew Limits are an option that will not be available with all cranes Boom to the slew angle of 0 5 and confirm the calibration by selecting OK and then pressing ZMMDNMDNM eg Use the and keys to adjust the angle to 0 then press After the display shows OK the correct radius 95 Complete the same process for both 180 and 180 by moving the boom there respective slew angles as shown in the figures below When the console prompts to calibrate certain slew angle points the unit must be slewed to the appropriate position per instructions depen
10. sensor cable reel is mounted inside the base which measures the boom length The crane load is measured by pressure transducer block attached to the piston and rod side of the hoist cylinders The interactive user guidance considerably simplifies the input of operating modes as well as the setting of geometry limit values 1 DESCRIPTION OF A CAN BUS SYSTEM CAN stands for Controller Area Network Its intended use is as a serial bus system for a network of controllers Each controller connected through a CAN chip is called a node and is mostly used to acquire data from a sensor All nodes are connected to a common bus and all nodes are able to simultaneously read the data on that bus Also all nodes are able to transmit data on that bus however only one node at a given time has write access to the bus If the message is relevant it will be processed otherwise it is ignored The unique identifier also determines the priority of the message The lower the numerical value of the identifier the higher the priority The cable bus is a twisted pair of shielded wire Data can be transmitted in blocks from 0 8 bytes at a maximum transfer rate of 1 Mbit s for networks up to 40 meters For longer network distances the maximum transfer rate must be reduced to 50 Kbit s for a 1 km network distance CAN will operate in extremely harsh environments and the extensive error checking mechanisms ensure that any transmission errors are detected 2011
11. tightened in order to do this Check the tightness by taking the external cable into one hand and carefully trying to turn it If the internal wires turn with the outer cable the strain relief is loose Get a new grommet insert through your Hirschmann representative and replace the existing one with the new one Tighten the strain relief correctly Note Whenever a strain relief is opened i e to replace a cable a new grommet needs to be used Never re use any grommet or the strain relief will not seal properly Water Entry Through External Cabling Even with a tight strain relief water may still enter the box through the inside of the cable In this case you have to find out why and where water enters the cable Look for damages to the cable itself and inspect the opposite side of the cable In example if the cable comes from a connector that is full of water the water will run through the inside of the cable and fill up the central unit too 2 CONDENSATION In a climate with high humidity and rapidly changing temperatures condensation can happen inside any enclosure usually the larger the volume of the box the more likely In this case water drops build up on the inner components when humid air is trapped inside the box With condensation water tightness is not a problem the box is sealed just fine which is what prevents the trapped air from exiting the box There are two ways to deal with condensation e lf the volume is very sm
12. 1 Calibration Service Manual for Mentor HIRSCHMANN LOAD MOMENT INDICATOR MENTOR central unit console A S NT JA JIDE IC CALIBRATION SERVICE MANUAL P N 190230 REV F 06 24 2011 2011 Hirschmann Chambersburg PA 17201 2 Calibration Service Manual for Mentor NOTICE Hirschmann makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and or its fitness for a particular purpose Hirschmann will not be liable for errors contained in this manual or for incidental or consequential damages in connection with the furnishing performance or use of this manual This document contains proprietary information which is protected by copyright and all rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hirschmann Hirschmann reserves proprietary rights to all drawings photos and the data contained therein The drawings photos and data are confidential and cannot be used or reproduced without the written consent of Hirschmann The drawings and or photos are subject to technical modification without prior notice All information in this document is subject to change without notice MANUAL REVISIONS DATE NAME DESCRIPTION EN 2 3 2006 05 194 4 5 2006 BN ECN 06 070 e zumor s o zs enea OC
13. 5mm APPROVED 55 6 22 06 SHEET 1 OF 1 to this drawings and to the data shown thereon The drawing and data are confidential and not to be used 0 01 2 PLACE DEC 0 25mm SCALE NONE or reproduced without the written consent of Hirschmann 005 3 PLACE DEC 0 13mm DWG Electronics Inc This drawing is subject to technical 1 16 FRACTION 1 5 modification with out notice hown with standard LWG508 cable reel pressure ing diagram s Ir transducers and hardwired A2B switch 2011 Hirschmann Chambersburg PA 17201 Basic Mentor Console system w Calibration Service Manual for Mentor ee ee 24 eee eee eee eee eee eee IREV ECN DESCRIPTION B 08 188 Removal of batte c 09 169 REPLACE CABLE 031 300 060 454 WITH 051045 BY APV DATE wc sc 11 20 08 PE BM 7 14 09 13 DIN 6 DOUT 6 14 DIN 7 DOUT 7 WHT GRN WHT GRA A2B BYPASS LAMP GRN MM LMI BYPASS LAMP YEL V V SWITCHED 4 V SWITCHED V SWITCHED GND LOCKOUT SOLENOID L v SWITCHED E INSTALLED BY CUSTOMER MALE PLUG STRIGHT ITEM PART NUMBER QTY DESCRIPTION 1 024 183 060 201 1 0 CONSOLE MENTOR W EVENTRECORDER amp HIRSCHMANN LOGO 2 031 300 060 382 1 0 CONSOLE ACCY 05160 MOUNTINGARM RAM B 101 MICRO W 1 BALL 3 031 300 050 468 4 0 NUT 5MM HEX NYLON INSERT
14. 6 13 06 drawing and data are confidential and are not to be used 150 01 2 PLACE e0 25mm SCALE SHEET 1 OF2 or reproduced without the written consent of Hirschmann 0 005 3 PLACE DEC so 13mm DWG NO E Electronics Inc This drawing is subject to technical 11 16 FRACTION i 1 5mm 2 2314 2 modification with out notice C AG E 79760 l1 ter and customer installed IOME Mentor Console system wiring diagram shown with standard LWG508 cable reel pressure transducers hardwired A2B switch with provision for slew potenti interface lockout Page 1 of 2 2011 Hirschmann Chambersburg PA 17201 Calibration Service Manual for Mentor 25 x n _C___ _ __e_LI e NOTES 80S9M1 MOSN3S 319NV HLON3I 3 IREV ECN A 06 176 B 08 188 2 1 DESCRIPTION BY APV DATE Des 09 27 06 WG SC 11 20 08 Removal of batte o 8 o 9 5 ey 1 V puces 2 SLEW CHANNEL 1 SLEW CHANNEL 2 5 GND SLEW POTENTIOMETER 9 Hirschmann SYSTEM MENTOR Automation and Control Inc _LWG508 DAVS314 1665 ORCHARD DRIVE CHAMBERSBURG PA 17201 GENERAL TOLERANCES 06 106 101 101617_ Hirschmann Electronics Inc reserves proprietary rights DEC PLACES MM DM DRAWN e to this drawings and to the data shown thereon The 1 PLACE DEC 2 5mm APPROVED E 06 13 06 drawing and data a
15. Afterwards always adjust retracted length by software as described in section Length Sensor Adjustment Procedure Cable Reel LWG508 Adjustment Procedure CA sA a NA ADJUST LENGTH POTENTIOMETER o H C N m m S R M M N VININ N VI NL VV 300M FULLY RETRACTED OCKWISE TO SOFT STOP Now perform Length Sensor Adjustment Procedure as detailed in section Length Sensor Adjustment Procedure 2011 Hirschmann Chambersburg 17201 35 Calibration Service Manual for Mentor 7T CABLE REEL LENGTH CABLE REPLACEMENT PROCEDURE Replace length cable using the following procedure Refer to system electrical wiring diagram and cable reel parts list E de e de ne 10 11 12 13 14 15 16 Cut old cable at cable drum Disconnect damaged length cable from junction box at the boom nose Open cable reel cover and disconnect bus connector Remove cable reel from mounting brackets Remove damaged length ca
16. E TRANSDUCER INPUTS NOTE The only adjustment for the pressure transducers is the zero point which is the voltage the transducer outputs when there is no zero pressure sensed CAUTION Ensure there is no pressure in the hydraulic line when disconnecting the hoses from pressure transducers Use and 4j keys to mark the piston side or rod side zero setting Confirm that you want to OK calibrate the sensor by selecting YES and pressing to calibrate selected sensor The piston side or rod side zero point setting function is activated as shown in the screens above and pressing OK When the boom is in the rest position bleed to continue press 3 to continue and then to calibrate Check the sensor outputs screen to check the zero point At the zero point the millivolt should be 0500 20mvV 2011 Hirschmann Chambersburg PA 17201 28 Calibration Service Manual for Mentor 3 CALIBRATE LENGTH INPUT OK Use and D keys to select main boom length calibration and press es Confirm that you OK want to calibrate the main boom by selecting YES and pressing to calibrate selected sensor OK Fully retract the main boom to continue press to calibrate Acknowledge main boom fully retracted OK Fully extend the main boom to continue press to calibrate Acknowledge main boom fully extended Check the sensor outputs screen retracted and extended lengths Retracted lengt
17. Hirschmann Chambersburg PA 17201 6 Calibration Service Manual for Mentor 2 DESCRIPTION OF THE SYSTEM COMPONENTS Central Unit Console Inside the console there is a CPU and connection board The board has a hard mounted connector for power ground bus controller and slew indication Displays all geometrical information such as actual load maximum load permitted by load chart working radius and length angle and head height of main boom It also has LED s for operating condition OK overload and a pre warning An output to an alarm horn and a warning light are also available The display allows for a simple configuration setup as well as sensor calibration zero adjustment and troubleshooting sensor output screen Pressure Sensor The pressure sensor transforms hydraulic pressure into an electric signal A pressure sensor block houses two sensors CAN bus controller and two bus connectors One pressure sensor is connected to the piston side of the lift cylinder and the other to the rod side The Length Angle Transducer The length angle sensor LWG often referred to as the cable reel is a combination of two transducers in box installed at the base section of the boom It measures the length and the angle of the boom A reeling drum drives a potentiometer which is the length transducer Part of the length transducer circuit is the length cable on the drum which is a two conductor cable screen and live It is connec
18. Hirschmann Chambersburg PA 17201 Calibration Service Manual for Mentor RAM or console defective he CRC sign of the monitored write read memory is wrong The buffer battery is discharged 2V at 1kOhm Console defective No valid data in the crane data file Flash EPROM defective No valid data in the load chart file Flash EPROM defective No valid data in the crane data file during calibration Flash EPROM defective Calibration data file does not contain valid data Flash EPROM defective No valid data in the load chart file Base number not programmed Load chart file wrongly programmed CAN Bus cable between the central unit and the sensor units defective or not connected Short circuit in a CAN Bus cable e Replace console Restart the LMI Replace main board in the console Replace console Upload valid crane data file Replace console Upload valid load chart file Replace console Restore or upload valid crane data file Replace console Upload calibration data file Replace central unit Upload valid load chart file Program the correct base number 1 for base 1 2 for base 2 Check base programming in the load chart file Check the connection between the central unit and the sensor units wiring harness See section CAN Bus Communication Replace Can Bus cable 40 Calibration Service Manual for Mentor Ee ee L emu central unit
19. If the displayed value does differ from the actual value please refer to the following sections to find the cause of the problem If the displayed angle is incorrect please go to section Angle Sensing If the displayed length is incorrect please go to section Length Sensing If the displayed pressures are incorrect please go to section Pressure Sensing If the displayed slew angle is incorrect please go to section Slewing Sensing 2011 Hirschmann Chambersburg PA 17201 21 Calibration Service Manual for Mentor Scroll through the screen to see piston rod side voltages and pressures and length and angle voltages and measurements The values shown in the screen here are just examples of actual values To view the digital input output output screen press INFO button and scroll down to select the digital input output screen The values shown in the above screen are just examples of actual values To access the software version screen press INFO button and scroll down to software version to view the currently installed software 2011 Hirschmann Chambersburg PA 17201 22 Calibration Service Manual for Mentor 12 DRAWINGS 1 COMPONENTS OF THE MENTOR 1 Operating Console Central Unit 2 Pressure Transducers 3 Length Angle Sensor 4 Anti Two Block Switch es
20. Tip height length of load line used Boom weights Boom attachments such as Stowed jibs Auxiliary boom nose etc Before checking the system for a load reading problem make sure all of the above has been ruled out When you still feel the system is reading a sensor wrong and thus displaying an incorrect load use the following Use the previous sections and the individual sensor signal displayed on the screen to double check the following boom length reading e angle transducer reading e pressure transducer readings If all are correct use the zero setting and calibration screens to zero pressure transducers calibrate angle and length If you still have a problem replace pressure transducer block 2011 Hirschmann Chambersburg PA 17201 15 Calibration Service Manual for Mentor 9 CAN BUS COMMUNICATION The System measures the length of the main boom the angle of the main boom the pressures of the lift cylinder and the A2B state of the machine via a CAN Bus connection Since this is a digital bus connection it is not possible to measure the signals on the bus with a multimeter Instead the LMI provides you with error codes that give you an indication of the bus state The error codes are one of the following E61 Error in the CAN bus data transfer for all CAN units E62 Error in the can bus data transfer of the pressure transducer sensor unit E63 Error in the can bus pressure transducer sensor unit E64 Error in the c
21. W CRIMP W 12 WIRE 20 031 300 100 722 1 0 SWITCH ACCY A2B FLAG ASSYRETAINER DECAL amp LANYARD 21 031 300 050 264 1 0 PLATE A2B SWITCH MOUNTING 22 031 300 100 105 2 0 SCREW 5 16 18 x 1 1 2 SOCKETCAP STAINLESS 23 003 100 210 012 1 0 WEIGHT amp CHAIN A2B w o SHACKLE A2B 15 5165 1410 WEIGHT 241 031 300 100 037 1 0 HARDWARE CHAIN CONNECTORQUICK LINK 2 7 16 25 031 300 050 295 2 0 STUD RATB A2B SWITCH 26 031 300 050 272 1 0 HARDWARE LINCH PIN W O CHAIN1 4 OD x 1 9 16 LG 7 031 300 050 313 1 0 HARDWARE SAFETY HOOK RATBFOR CHAIN 29 024 183 060 201 1 0 CONSOLE MENTOR W EVENTRECORDER amp HIRSCHMANN LOGO 30160799 7 1 0 SENSOR LENGTH ANGLE LWG508 12CAN 2P 42 32M ANGLE FLIPPED 311031 010 101 019 1 0 CABLE 15M CANBUS W MOLDEDM12 321051006 1 0 CABLE ASSY CANBUS 2M W M12MALE amp FEMALE 0935710103 2M V OUT UNLOCK SOLENOIDS CRANE INTERFACE V BATTERY CAN SHLD CAN V CAN OV 4 da 2 5 C C Si 2 000 501 723 051 mr 14 15 16 17 18 10 11 12 13 Er N 19 20 21 22 23 24 25 26 27 Hirschmann SYSTEN Automation and Control Inc WG508 1665 ORCHARD DRIVE CN FE _ CHAMBERSBURG PA 17201 GENERAL TOLERANCES 06 012 10164 DRAWN CSH 6 22 06 Hirschmann Electronics Inc reserves proprietary rights M DEC PLACES MM hed 1 PLACE DEC 2
22. able slid off the length cable must be taut Open sensor reel the length sensor and carefully turn the length sensor pot counterclockwise until the detent by means of a screw driver Clutch between length Replace the complete clutch sensor pot and drive is including drive wheel and defective adjust length sensor pot as described above 2011 Hirschmann Chambersburg 17201 37 Fallen below lower limit value for measuring channel length main boom Fallen below the lower limit value in the measuring channel pressure piston side Fallen below lower limit value in the measuring channel pressure rod side Fallen below lower limit value in measuring channel force Fallen below lower limit value in measuring channel angle main boom Fallen below lower limit value in measuring channel angle 2 Fallen below lower limit value length telescope 11 Fallen below lower limit value in measuring channel slewing angle 1 Fallen below lower limit value in measuring channel slewing angle 2 Upper limit value in measuring channel main boom length has been exceeded 2011 Hirschmann Chambersburg PA 17201 Calibration Service Manual for Mentor Error Code 7 Possible Cause Elimination _ __ Length potentiometer is defective Pressure transducer is defective refer to E12 Force transducer defective Angle potentiometer defective Angle potentiomet
23. all desiccant bag might be able to soak up the air s humidity e lf the effect is more severe the only way to get rid of this effect is then to give the box the ability to breath without sacrificing its water tightness Contact your Hirschmann representative for breathing elements to than can be added to the box and will help to reduce the effects of humid climates 2011 Hirschmann Chambersburg PA 17201
24. an Ohm meter Check all pins of the CAN bus cable for continuity and cross check for short circuits If the continuity check fails the cable must be replaced If the cable appears to be fine next check the connector at the cable reel You can verify that power is being supplied to the sensor by testing the CAN connectors per the pin layout see E61 Replace the connector if this check fails If the connector checks properly the board in the cable reel might be defective 2011 Hirschmann Chambersburg PA 17201 17 Calibration Service Manual for Mentor CAN Bus electronics in cable reel CAN L 5 E65 In case of an E65 the cable reel is reporting an internal problem In most cases this will be an angle sensor length potentiometer or A2B wiring Go to those chapters Angle Sensing Length Sensing A2B PROBLEM to continue trouble shooting 2011 Hirschmann Chambersburg PA 17201 18 Calibration Service Manual for Mentor 10 A2B PROBLEM First perform the following operations Are the control levers locked out and is the crane in an anti two block condition YES lower the hook block and or headache ball to correct two block condition If two 2 hoists are in use both hooks must be lowered Is the anti two block warning light on Check Bypass plug installed if not plug appropriate bypass plug into socket of junction box Is the Bypass plug installed and the anti two block warning light on Turn power off r
25. an bus data transfer of the length angle sensor unit E65 Error in the can bus length angle sensor unit Block Diagram CAN Bus Converter Mentor Console CU Pressure Transducer Cable Reel The block diagram tries to clarify that If the CU does not see any CAN Bus component it will report an E61 If it sees only the cable reel it will report an E62 pressure transducer missing If it sees only the pressure transducer it will report an E64 cable reel missing E63 means that the pressure transducer is available but is reporting an internal error E65 means that the cable reel unit is available but is reporting an internal error So what do you do when you are having a problem with one of those codes 1 E61 In case of an E61 start by connecting the two cables on the transducer block together If an E62 appears the transducer block must be replaced an E61 appears reconnect the cable from the central unit to the transducer block At this point if an E61 still appears check your cabling You can verify that power is being supplied to the sensor by testing the CAN connectors per this layout Pin1 Shield 2 U Pin Layout CIA DR 303 1 7 2 Pin 3 Ground Pin 4 CAN High Pin5 CAN Low Measure between pins 3 and 2 for crane voltage If you see voltage check all pins for continuity The central unit must be replaced if this cable is functioning correctly If the E61 error code has become 2011 Hirsch
26. ble which is mounted to the slip rings in the cable reel from slip ring terminal On the backside of the cable reel open the strain relief attached to the axle in the center of the drum Pull existing length cable out of the cable reel Pull new length cable through the hole pipe and strain relief and push it through the axle of the reeling drum Tighten new strain relief to ensure sealing Reconnect the length cable to the slip ring Remount cable reel to the boom Turn reeling drum clockwise to spool the new cable neatly onto the drum Set pre load on cable reel by turning the drum counter clockwise 5 to 8 turns Run the new length cable through the cable guides and wrap the length cable around the boom tip anchor pin 4 or 5 wraps and secure with tie wraps Leave enough length cable to connect into the boom tip junction box Connect the length cable into the boom tip junction box Reset length potentiometer in length angle transducer screw is located in center of white gear with boom fully retracted turn potentiometer carefully counter clockwise until it stops Recheck length and angle display Refer to section Cable Reel LWG508 Adjustment Procedure Connect bus connector Follow Length Sensor Adjustment Procedure 2011 Hirschmann Chambersburg PA 17201 36 Calibration Service Manual for Mentor 14 ERROR CODES The following Error Code Table gives a brief description of Error Codes elimination Refer to the noted s
27. ding if the boom rest is forward or to the rear of cab If the slew angle is not within the 5 tolerance is selected to confirm the calibration a screen will be displayed indicating the calibration could not be confirmed and further mechanical adjustment is required 2011 Hirschmann Chambersburg PA 17201 33 Calibration Service Manual for Mentor To save the calibration push the OK button after scrolling down to the Yes choice Select EXIT to leave calibration or select the CALIBRATE SENSORS to calibrate another sensor 2011 Hirschmann Chambersburg PA 17201 34 Calibration Service Manual for Mentor 6 LENGTH SENSOR CALIBRATION NOTE The length sensor can be calibrated for its zero point and its full range This means for the correct voltage for retracted boom and for the extended boom With retracted boom the potentiometer of the length sensor has to be at its O position which is all the way counter clockwise For extended boom the adjustment is done by software as described in section Length Sensor Adjustment Procedure The length should be calibrated to be about 0 1 feet or 0 05m for metric accurate for retracted and extended lengths Perform the following steps Fully retract the main boom and check if indicated length is within 0 17 of actual retracted boom length If it is not adjust length potentiometer as described in section Length Sensor Adjustment Procedure
28. e sensor unit Error in the slewing e The difference between e See section Slewing angle measurement the average of the sensing slewing angle and one of the wipers of the slewing potentiometer is out of the tolerance 2011 Hirschmann Chambersburg PA 17201 Wrong rigging condition Error in the radius determination Operating mode switchover with load A2B switch circuit disconnected No valid A2B switch status Short circuit in the A2B switch circuit Note Calibration Service Manual for Mentor Error Code 7 Possible Cause i a The selected rigging condition is not contained in the crane data file The computed radius is too small negative deflection The operating mode on the console has been switched over with the boom loaded Short circuit in the A2B switch Short circuit in the cable to the A2B switch Disconnected cable in the A2B switch Disconnected cable to the A2B switch Sensor wrong function CAN bus delay Select another rigging condition Check the programming in the crane data file Check the programming in the crane data file Select operating mode without load on the boom Replace A2B switch Replace cable to the A2B switch Connect or replace cable in the A2B switch Connect or replace cable to the A2B switch Replace A2B switch Replace cable to the A2B switch If an error message is displayed which is not contained in ab
29. ections for detailed Troubleshooting information Error Code Error Possible Cause Elimination 0 Fallen below radius e Fallen below the e Luff down the boom to a range or angle range minimum radius or gone radius or angle specified in exceeded past the maximum angle the load chart specified in the respective load chart due to luffing up the boom too far Radius range Gone past the maximum Luff up the boom to a radius exceeded or fallen radius or fallen below the or angle specified in the load below angle range minimum angle specified chart in the respective load chart due to luffing down the boom too far 3 area lomdismotpemiad remand ee zone no load area load is not permitted Operating mode not e An incorrect operating e Set the correct operating acknowledged or non mode has been selected mode for the operating permitted slewing configuration in question zone Refer to Operator s Handbook The boom is in a non Slew the boom to a permitted slewing zone permitted area Refer to Section 8 Prohibited length Boom has been extended Extend retract boom to the range either too far or not far correct length enough e g if it is prohibited to go beyond a certain maximum boom length or with load curves for jibs where the main boom has to be extended to a certain length Length sensor adjustment Retract boom Check the has changed e g the pre stress of the cable reel c
30. edge of how to use a voltmeter to measure both voltage and current is assumed REFERENCE For system operation refer to the consoles operator s manual 031 300 190 197 2 WARNINGS The LMI is an operational aid that warns a crane operator of approaching overload conditions and of over hoist conditions that could cause damage to equipment and personnel The device is not and shall not be a substitute for good operator judgment experience and use of accepted safe crane operating procedures The responsibility for the safe crane operation shall remain with the crane operator who shall ensure that all warnings and instructions supplied are fully understood and observed Prior to operating the crane the operator must carefully and thoroughly read and understand the information in this manual to ensure that he knows the operation and limitations of indicator and crane Proper functioning depends upon proper daily inspection and observance of the operating instructions set forth in this manual Refer to Section 6 Pre Operation Inspection and Calibration Verification of this handbook N WARNING The LMI can only work correctly if all adjustments have been properly set For correct adjustment the operator has to thoroughly and correctly answer all questions asked during the setup procedure in accordance with the real rigging state of the crane To prevent material damage and serious or even fatal accidents the correct adjustment of the
31. emove the bypass plug and measure the resistance at the boom nose box between terminals 1 and 3 with an ohmmeter This checks the function of the Anti Two Block switch Switch closed 0 Ohms weight installed Switch open gt 1 Mega ohm weight removed Ohmmeter reading are correct YES Plug the bypass plug into the boom nose box and refer to system wiring to check wire connections in boom nose box If wiring is correct replace Anti Two Block switch Ensure the bypass plug is plugged into the boom nose box Measure the A2B signal in the cable reel between X1 Brown and X2 Red wires on the slip ring with an ohmmeter Switch closed 24700 500 Ohms Switch open gt 1 Mega ohm Ohmmeter readings are correct NO Check for damaged length cable and wiring If broken length cable refer to system wiring Measure the A2B signal in the cable reel between terminal 7 and 8 with an ohmmeter Switch closed 4700 500 Ohms Switch open gt 1 Mega ohm Ohmmeter readings are correct NO replace slip ring 2011 Hirschmann Chambersburg PA 17201 19 Calibration Service Manual for Mentor 11 TROUBLESHOOTING A SENSOR PROBLEM USING THE DISPLAY To determine whether there is a problem with a sensor the Mentor system has sensor output screen built in to make trouble shooting easier This is the right place to start if you are suspecting a problem with a sensor and you don t have an error code displayed To access the sensor output screen pre
32. er defective Length potentiometer defective Cable between the console and the slewing angle sensor defective or loose Slewing angle potentiometer is defective refer to E1A refer E11 Replace length potentiometer see section Length Sensing Replace pressure transducer see section Pressure Sensing referto E12 e Replace force transducer Replace sensor unit Replace angle sensor see section Angle Sensing e Replace length sensor see section Length Sensing Check cable as well as plugs replace if need be Replace slewing angle sensor e refer to ETA e refer to E11 38 Calibration Service Manual for Mentor Error Code Error 7 Possible Cause Upper limit value in refer to E12 e referto E12 measuring channel pressure piston side has been exceeded Upper limit value in e refer to E1A measuring channel slewing angle 1 has been exceeded Upper limit value in e refer to E1A measuring channel slewing angle 2 has been exceeded Error the system The system program file program is defective Flash EPROM defective oystem program file is defective Error in the logical program flow Flash EPROM defective The system program in the LMI does not match to the programming in the crane data file The system program in the LMI and the programming in the load chart file do not match System program and crane data file do not match
33. gnal runs from the pressure transducer as digital information on the CAN Bus to the central unit So what do you do when you are having a problem with your load read out Start by checking the pressure display Refer to the section Troubleshooting A Sensor Problem Using The Display to call up the sensor signal on your console display The easiest spot to check the signal at is when there is no pressure applied to the sensor at all The only time this is for certain is when your pressure lines are drained and disconnected In that case the readout should show about 500mV 25mV 0 PSI Small variations could be adjusted see section Service Screen For Sensor Calibration The CAN Bus is digital and as such will either transmit the signal correctly or not at all If your readings are off chances are the pressure transducer is defective Replace Note After exchanging the pressure transducer block BOTH transducer channels need to be zeroed see procedure Zero Setting The Transducer Inputs 2011 Hirschmann Chambersburg 17201 14 Calibration Service Manual for Mentor 8 LOAD SENSING Please note that the load displayed by the LMI is not a direct measurement but a calculated value that is based on many factors Outside of the measured values sensors those include e Operator settings such as o Operating mode configuration o Parts of Line Reeving Rigging parts such as Hook block weight Sling weights etc
34. h should be correct at 0500mV and extended boom length will depend on the model 2011 Hirschmann Chambersburg PA 17201 29 Calibration Service Manual for Mentor 4 CALIBRATE ANGLE INPUT The angle sensor is calibrated at different reference angles of approximately 0 40 65 and 75 When CHANGE is displayed by the actual boom angle the boom angle may be calibrated The previously calibrated angles define the reference angles NOTE This process should be repeated if sensor is ever removed or replaced OK Use and a keys to select main boom angle calibration and press Confirm that you OK want to calibrate the angle by selecting YES and pressing to calibrate selected sensor Boom down to a flat angle and mechanically adjust the angle sensor The angle should be set to be 0 0 of the measured angle Material calibrated inclinometer Press D key to select OK Press when the sensor is mechanically set OK Pressing confirm the mechanical adjustment OK Use the and D keys to select CHANGE then 95 The displayed angle should now flashing Use the and a keys to adjust the indicated angle to match the measured angle OK After the display shows the correct angle 95 Complete the above procedure to set the correction factor at 40 65 and 75 boom angle After OK is selected the system defines a high boom correction angle 407 2011 Hirschmann Chamber
35. he angle sensor made the voltage return into the acceptable range exchange slew angle potentiometer sensor 2011 Hirschmann Chambersburg PA 17201 10 Calibration Service Manual for Mentor 6 LENGTH SENSING The system measures the length of the main boom of the machine with a length sensor The length sensor is contained within the cable reel located in the base of the main boom Block Diagram Length CAN Bus Mentor Sensor Converter Console CU Cable Reel The signal runs from the length sensor to the CAN Bus converter board both located in the cable reel From there it travels as digital information on the CAN Bus to the pressure transducer which acts as a T connector to the main CAN Bus running to the console So what do you do when you are having a problem with your length read out Start by verifying the length display Refer to the section Troubleshooting A Sensor Problem Using The Display to call up the sensor signal on your console display The CAN Bus is digital and as such will either transmit the signal correctly or not at all If your readings are off you have to determine what is causing the problem Start by checking the length cable tension the cable reel has 5 8 turns of pre loading on the reel Opening the cable reel and locate the length sensor red and the CAN Bus converter board green 2011 Hirschmann Chambersburg PA 17201 11 Calibration Service Manual for Men
36. mann Chambersburg PA 17201 16 Calibration Service Manual for Mentor an E64 connect the cable reel can bus cable to the transducer block and remove the can bus connector at the cable reel If this causes an E61 to appear the can bus cable between the cable reel and transducer block must be replaced If an E64 remains use the Ohm meter to check the connector in the cable reel Either the connector has failed or the can bus converter boards must be replaced 2 E62 In case of an E62 the Console is reporting no signal from the pressure transducer Start by checking your cabling between Console and pressure transducer even though it is not very likely that there is a problem with it since the same cable carries also the signals from the cable reel and those appear to be fine You can verify that power is being supplied to the sensor by testing the CAN connectors per the above pin layout If you are sure that the sensor is being supplied you have to replace the pressure transducer 3 E63 In case of an E63 the pressure transducer is reporting an internal problem You cannot troubleshoot any further but need to replace the pressure transducer 4 E64 In case of an E64 the Console is reporting no signal from the cable reel unit Start by connecting the two cables on the transducer block together If an E62 occurs the transducer block must be replaced lf an E61 occurs measure the cable from the transducer block to the cable reel with
37. of site of the sensor and within reach of the operator Securely attach the two RAM mount bases onto a solid surface for the left and right side operation The console cable may not fit through goose neck conduit as existing wiring therefore run the console cable to the outside of the conduit and insure there is no interference 2011 Hirschmann Chambersburg PA 17201 P 5099 8 Calibration Service Manual for Mentor 5 SLEW ANGLE SENSING Length CAN Bus Sensor Converter Pressure Transducer Mentor Console CU Cable Reel Slew Input 2011 Hirschmann Chambersburg 17201 9 Calibration Service Manual for Mentor CAN Bus electronics in cable reel The slew angle is measured by using either a 10K 10 turn or continuous two wiper potentiometer that is accepted as an input into the CAN Bus converter board The wiring of the potentiometer is shown below When a 10 K 10 turn potentiometer is used a 3 3 resistor is used and connected between Pin 1 and Pin 3 of Terminal X13 Terminal X13 1 5 V Verify that the sensor is being supplied with 5V by measuring between pin 3 GND and Pin 1 of terminal X21 If the voltage is outside of a range of 4 75 to 5 25V the converter board might be defective Unplug angle sensor and measure again If the voltage is still off exchange converter board If unplugging t
38. ove list please contact the HIRSCHMANN service department 2011 Hirschmann Chambersburg PA 17201 42 Calibration Service Manual for Mentor 15 TROUBLESHOOTING MOISTURE Hirschmann Mentor contains electronic components in various locations such as console sensors junction boxes etc These internal components cannot be designed to withstand exposure to moisture over a longer period of time For this reason the housings of the components are water protected according to IP 65 If you find water or moisture inside any of the housings the source for the water ingress has to be detected and corrected to ensure proper operation There are two major possibilities for the occurrence of excessive moisture inside an enclosure e Water ingress e Condensation This outline gives instructions for detecting the cause for excessive moisture by using simple troubleshooting methods and how to prevent the moisture ingress from happening again 1 WATER INGRESS There are 6 possibilities for water to enter an enclosure Spray Cleaning Missing Loose Screws Bent Lid Defective Gasket Loose Strain Relieves Water Entry Through External Cabling It is possible to find out the source of water ingress by going through the following steps and ruling out one possibility after the other until the cause is identified Spray Cleaning The enclosures used for the LMI system are water protected to IP 65 This means protection against the
39. re confidential and are not to be used 0 017 2 PLACE DEC feo 25mm SCALE NONE SHEET 20 2 or reproduced without the written consent of Hirschmann cen Bn tame DWG NO Electronics Inc This drawing is subject to technical modification with out notice E 1 0 1 6 47 o 7 9 7 o B Mentor Console system wiring diagram shown with standard LWG508 cable reel pressure transducers hardwired A2B switch with provision for slew potentiometer and customer installed interface lockout Page 2 of 2 2011 Hirschmann Chambersburg PA 17201 26 Calibration Service Manual for Mentor 13 SERVICE SCREEN FOR SENSOR CALIBRATION 1 ACTIVATING THE SERVICE SCREEN FOR SENSOR CALIBRATION Enter the calibrate sensors menu by using the following procedure To start function press INFO Press to calibrate sensors At this point the five digit Authorization Number 57595 must be entered User No starts at 55555 OK Use and keys to increase and decrease each digit Use to confirm entry Having successfully entered a valid password use and 4j keys to mark the piston side the rod side zero setting and length and angle calibration The calibration sensor screen will remain available and accessible without entering the user number until system is power off 2011 Hirschmann Chambersburg 17201 27 Calibration Service Manual for Mentor 2 ZERO SETTING TH
40. sburg PA 17201 30 Calibration Service Manual for Mentor After OK is selected the system defines a high boom correction angle 65 After OK is selected the system defines a high boom correction angle 75 After OK the system request the angle sensor calibration is saved Select EXIT to leave calibration or select the CALIBRATE SENSORS to calibrate another sensor Using a calibrated inclinometer placed flat on the main boom verify that the indicated boom angle matches the measured boom angle within 0 2 degrees Check the sensor outputs screen for 0 40 65 and 75 main boom angle millivolts 500mV 2011 Hirschmann Chambersburg PA 17201 31 Calibration Service Manual for Mentor 5 CALIBRATE SLEW ANGLE A CALIBRATION WITH THE CONTINUOUS TWO WIPER POTENTIOMETER OK Use and a keys to slew angle calibration and press Confirm that you want to calibrate OK the slew angle by selecting YES and pressing to calibrate the selected sensor Note Slew Limits are an option that will not be available with all cranes Boom to the slew angle of 0 5 and confirm the calibration by selecting OK and then pressing toa Use the and 52 keys to adjust the angle to 0 then press After the display shows OK the correct radius press p When the console prompts to calibrate certain slew angle points the unit must be slewed to the appropriate
41. ss INFO button and scroll down to select the analog input screen The screen will show all sensor inputs as in the example below For each sensor an equivalent voltage is shown in millivolts along with the physical sensor value that that voltage refers to Pressure sensors are shown with physical values of bar angle sensors and slew sensors in degrees and length sensors in feet or meters for metric charts The values shown in the above screens are just examples of actual values Refer to the table listed below for actual value ranges If you suspect a sensor error or problem with a sensor compare the indicated physical value of the sensor on the display screen with the real value i e length angle etc NOTE The voltages given are internal calculation values only you will not be able to actually measure them anywhere on the electronics Typical values to be expected are e Pressure transducers piston and rod 500mV 0 PSI 4500mV maximum PSI e Length sensor 500mV 0 retracted boom length voltage extended depends on the various boom lengths e Angle sensor 4500mV at 0 2500mvV at 45 or 500mV at 90 2011 Hirschmann Chambersburg PA 17201 20 Calibration Service Manual for Mentor Please refer to table below for more values Voltage Values Value displayed Value displayed mV 10mV oO 3 lt lt O m aZ lt R N Q 2 a QNA rm fo O UO
42. ted to the anti two block switch at the boom head and to a slip ring body in the LWG The angle transducer is a potentiometer driven by a weighted pendulum that is oil damped Both length and angle transducer are connected to a CAN bus controller board which is connected to the bus system Anti Two Block Switch The anti two block switch monitors the load block and it s relationship with the head of the boom In working condition the switch is closed When the hook block strikes the weight the circuit opens disengaging a relay output to the lock out solenoid valves where applicable To check the cable for damage short circuit to ground there is a 4 7k resistor between ground and the contact of the switch to give a signal back to the central unit The weight at the anti two block switch keeps the switch closed until the hook block strikes it 2011 Hirschmann Chambersburg PA 17201 4 CONSOLE INSTALLATION Calibration Service Manual for Mentor Install the Mentor console with proper positioning within the field of vision and operating area of the crane operator There is a standard length of cable with multi pin connector supplied with the Mentor console Ensure there is an adequate length of cable between the console and the crane wiring console has a mount that allows the console to be swiveled into any direction and to be mounted in a variety of locations and on nearly any surface Choose a location that is in line
43. tive Unplug length sensor and measure again If the voltage is still off exchange converter board If unplugging the length sensor made the voltage return into the acceptable range exchange length sensor If the voltage is correct continue The length sensor returns a voltage between 0 16V at 0 turns of the length pot fully retracted and 4 84V at 10 turns How many turns you get at full extension depends on the gear ratio the boom length the length cable used and the spooling pattern so we cannot provide a standard table for it What we can give you for trouble shooting however is the following table that shows the expected output voltage measured between X20 5 and X20 3 Signal for each complete turn of the length potentiometer Note that this does not sync to the number of turns of the cable reel though Length Sensor Signal on Pin 3 TUrns Note Actual voltages will vary slightly 2011 Hirschmann Chambersburg PA 17201 13 Calibration Service Manual for Mentor 7 PRESSURE SENSING The System measures the pressure of the boom lift cylinder for both rod and piston side Both sensors are contained within one box that also contains the electronics needed for amplification and creation of the CAN Bus signal Block Diagram 2 Pressure CAN Bus MENTOR Measuring Converter CONSOLE i Cells I CU Pressure Transducer Mme XXX i i i zz si
44. tor Fully retract the boom and turn the screw of the length potentiometer with a small screwdriver counter clockwise to a soft stop That should bring the sensor voltage to OV 0 1Volt Measure voltage between Pin 5 and Pin 3 of Terminal X20 and compare RI Potentiometer e 2 VO B e Gear wheel with slip clutch e 9 Go back to your indication screen and compare length indicated and actual again If the indicated length varies significantly from your actual length more than 0 3 feet the length sensor might be bad and needs to be exchanged Note however that the error could also be in the software or in the converter board CAN Bus electronics in cable reel 2011 Hirschmann Chambersburg 17201 12 Calibration Service Manual for Mentor The length sensor has a potentiometer built in that is driven by a gear drive from the cable drum As the length changes the cable drum will turn and with it the potentiometer s axle The converter board supplies a voltage of about 4 7V to the length potentiometer and in return monitors the output voltage of the potentiometer The terminal used is X20 The length sensor is connected as follows Terminal X20 1 4 8V Verify that the sensor is being supplied with about 4 7V by measuring between pin 5 and Pin 1 of terminal X20 If the voltage is outside of a range of 4 5 to 5 V the converter board might be defec
Download Pdf Manuals
Related Search