HIRSCHMANN LOAD MOMENT INDICATOR mentor
Contents
1. HIRSCHMANN Rev F 12 17 2008 190197 14 Operator s Manual Mentor 4 2 5 Reeving Parts of Line Selection Screen Starts e Manually by pressing REEVING 13 button if the machine is not equipped with a dual hoist option e Automatically after selecting the hoist if the machine is equipped with a dual hoist option A screen similar to the following one will appear Use the scroll buttons and to increase or decrease the number of parts of line until it matches the current reeving of your machine When you have selected the correct reeving press This concludes the setting of the reeving and or operating mode If you have selected a valid operating mode the system will bring you back to the operating screen If you have selected an invalid operating mode the system will show an E 04 HIRSCHMANN Rev F 12 17 2008 190197_F Pre operation Inspection Calibration Verification 15 4 3 LIMIT SETTINGS The operator has the option to activate a maximum and minimum geometric limit for boom angle radius and boom tip height When a limit is activated the working screen will display an R in front of the radius indication H in front of the tip height indication A in front of the angle indication S in from of the slew angle indication and W to indicate the virtual wall limit When the limit is exceeded the system will alert the operator by sounding an audible alarm ligh2. Boom to the minimum radius and press RIGHT Slew Angle Limit Boom to the maximum radius and press Use the and arrow buttons to select another radius limit or exit the radius limit function HIRSCHMANN Rev F 12 17 2008 190197_F 20 Operator s Manual Mentor Virtual Wall limits setting Note Virtual Wall Limits are an option that will not be available with all cranes The Virtual Wall setting helps the operator to define the 5 working area This is done by creating a vertical wall that can represent obstacles i e buildings towers poles etc in the 5 working range The wall is set by defining points with the boom tip along the outer limits of the operator s work area see setup procedure below Because these walls are defined by the operator and are not actual real walls we refer to them as virtual walls When setting a wall always keep a safe working distance to any obstacles Never work outside a safe working area as outlined by common practice standards and manuals A virtual wall is set by defining two points To prevent inaccuracies when defining the two points of the virtual wall use the following two rules 1 The two points should be the same distance from the obstacle 2 Set the two points at the maximum distance apart which can be safely reached by the boom tip ke virtual wall is defined by straight line between two set points VIRTUAL A After the wall
3. 17 2008 190197 Pre operation Inspection and Calibration Verification 17 radius limit setting The following screen will be displayed Use the and arrow buttons to select the maximum minimum radius delete radius limits or exit limit function Then press l Only one of the functions MIN MAX can be completed at a time MIN Limit Boom to the minimum radius and press l MAX Limit Boom to the maximum radius and press Use the and arrow buttons to select another radius limit or exit the radius limit function HIRSCHMANN Rev F 12 17 2008 190197_F 18 Operator s Manual Mentor Tip height limit setting The following screen will be displayed Use the and arrow buttons to select the maximum tip height delete tip height limits or exit OK limit function Then press os MAX Limit Boom to the maximum tip height and press Use the and arrow buttons to select another tip height limit or exit the tip height limit function HIRSCHMANN Rev 12 17 2008 190197_F Pre operation Inspection and Calibration Verification 19 Slew Angle limit setting The following screen will be displayed Note Slew Limits are an option that will not be available with all cranes Use the and arrow buttons to select the left slew angle right slew angle delete slew angle limits or exit limit function Then press Only one of the functions LEFT RIGHT can be completed at a time LEFT Slew Angle Limit
4. has been set the system alerts the operator when nN how the pre warning system is defined the boom approaches it This is done both visual and audible The N console will warn the operator by an audible beeping alarm as the boom approaches the wall At the same time the LIM button will yyy be lit Similarly the virtual wall symbol in the main screen blinks If the boom breaks the plain of the wall the audible alarm becomes ZG continuous See the Pre warning System Section for information on lt 2 Virtual Wall limit setting The following screen will be displayed Use the and arrow buttons to select the virtual wall P1 virtual wall P2 delete virtual wall or exit limit function Then press HIRSCHMANN Rev F 12 17 2008 190197 Pre operation Inspection and Calibration Verification 21 Only one of the functions P1 P2 can be completed at a time Select Virtual Wall 1 and press Select Virtual Wall P2 then press Boom to the selected second point of the virtual wall location and press Use the and arrow buttons to select another limit or exit the virtual wall limit function HIRSCHMANN Rev F 12 17 2008 190197 22 Operator s Manual Mentor 5 RADIO TWO BLOCK SWITCH OPTIONAL 5 1 RADIO ANTI Two BLOCK TRANSMITTER AND RECEIVER DESCRIPTION The anti two block system alerts to an impending two block condition This alert can come in the form of an audible alar
5. to scroll between the possible operating modes configurations of your machine When you have found the operating mode that corresponds with the current machine configuration OK press This will automatically bring you to the HIRSCHMANN Rev F 12 17 2008 190197 12 Operator s Manual Mentor 4 2 2 Outrigger Selection Screen A screen similar to the following one will appear for the outrigger selection If this outrigger selection corresponds with the current machine configuration press Otherwise use the scroll buttons and to scroll between the possible outrigger selections for your machine When you have found the outrigger selection that corresponds with the current machine configuration press HIRSCHMANN Rev 12 17 2008 190197 Pre operation Inspection and Calibration Verification 13 423 Crane Level Screen A screen similar to the following one will appear verifying if the crane is level If the crane is level press el lf the crane is not level to manufacturer s specification refer to manufacturer manual then level crane to specifications 4 2 4 Hoist Selection Screen A screen similar to the following one will appear if you have a second hoist option Use the scroll buttons and to toggle between auxiliary and main hoist When you have selected the hoist that corresponds with the current machine configuration press OK This will automatically bring you to the
6. DE Use this button to start the function set operating mode F For the proceeding please refer to chapter 4 1 HIRSCHMANN Rev F 12 17 2008 190197_F 8 Operator s Manual Mentor The correct setting is of utmost importance for the proper function of the system and the crane Therefore only operators who are thoroughly familiar with use and operation of the system shall set this button Button arm Stop This ALARM STOP BUTTON allows for the audible alarm to be silenced for approximately 15 seconds by pressing this button Button Tare The button TARE is used to indicate the Net load on the LCD Net load is the TARE present load less lifting tackle and hook block The Tare Button has to be activated before lifting After pushing the Tare Button the load display flashes and is set to zero taring After lifting a load the display shows the net load pay load The net load display will change to the actual load display when the boom radius is changed either by angle or length Button LIMITS Button to start the function program limit values For the proceeding please refer to gt chapter 5 1 Button info Use this button to access screens that give additional information Button REEVING Parts Of Line Button to start the function select parts of line Please refer to chapter 4 2 Button SCROLL DOWN Use this button to decreas
7. Fig 1 Setting of Anti Two Block Retainer in Locking Fig 2 Retainer in Locking Position Position 3 Straighten the cable completely into the slot and release the cable 4 4 Turn the flag of the retainer for best visibility for the operator 5 Removal and Storage of the Anti Two Block Retainer Procedure see Fig 3 and 4 1 Pull the cable out of the switch 1 and bend back parallel to the boom and hold 2 2 Move the retainer down 3 and then left 4 to remove it from the Anti Two Block switch Release the cable 3 For storage slide the retainer from right side 5 over the Anti Two Block switch until the clips A lock into the holes B Fig 3 Removal of the Anti Two Block Retainer Fig 4 Retainer in Storage Position HIRSCHMANN Rev F 12 17 2008 190197_F Pre operation Inspection and Calibration Verification 25 7 OPERATION Upon correct inspection the LMI is operational The operator shall be thoroughly familiar with all controls of the LMI before operating the crane The proper function of the system shall be checked by lifting a load of known weight and comparing the load to the information displayed on the LMI Rated loads include the weight of the hook block slings and auxiliary load handling devices Their combined weights shall be subtracted from the listed load capacities as stated on the load capacity chart to obtain the net load to be lifted VAN WARNING If any of the displays
8. HIRSCHMANN www hirschmann com LOAD MOMENT INDICATOR mentor a OPERATOR S MANUAL P N 031 300 190 197 REV F 12 17 2008 Operator s Manual Mentor NOTICE Hirschmann Inc 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 Inc 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 Inc Hirschmann Inc 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 Inc 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 REV DATE DESCRIPTION O gt 08 19 05 SB ECN05 145 Createmanual 01 13 06 SB 06005 O D 04 03 06 SB 6070 2006 HIRSCHMANN INC Chambersburg 17201 USA HIR
9. OUBLESHOOTING 9 1 GENERAL In case of a malfunction of the system the display 1 will indicate a code that identifies the system malfunction The error codes listed in the Malfunction Table will identify various faults that can occur with the LMI The Table explains each fault and describes the action which shall be taken to correct the fault Faults within the electronic microprocessor shall be repaired by factory trained service personnel When these faults occur the competent service organization shall be contacted 9 2 OPERATING ERRORS Malfunctions in the system which are caused by range exceeding or operating errors by the crane operator himself are indicated on the display together with an explanation Error codes E01 E02 E03 E04 and E05 can normally be eliminated by the crane operator Fallen below the minimum radius above Refer to Load Chart Boom down to radius or the angle given in the load capacity chart angle given in the load capacity chart due to luffing up the boom too far The maximum radius or minimum angle Refer to Load Chart Boom up to a radius or given in the load capacity chart was angle given in the load capacity chart exceeded due to luffing down the boom too far Boom position is out of the permissible working area over front See lifting diagram in the load capacity charts set assigned to the operating mode of the crane Operating mode is not permissible with Be sure crane is set
10. SCHMANN Rev F 12 17 2008 190197_F TABLE OF CONTENTS 1 GENERAL INFORMATION 1 2 WAHNING ann nn nme nn nn ann nn nn nn nn nn nun nn nn nun nn anne 1 SYSTEM DESGSCHIDITION 8 2 SI ER GR PIN TOM DEE 3 EE EINEN EES 4 IE EEN 4 ge att ee le Tel ee es 5 SYSTEM OPERATION GE Ehen 9 EANGUAGE SR eg Te WEEN 9 A CMESETUP PROCEDURE EE 9 421 Operation Mode E en BE 11 4 2 2 Outrigger Selecion Screen EE 12 423 Grane Level EE ee AA EEN 13 424 erer leie eet el RE 13 4 2 5 Reeving Parts of Line Selection Sereen 14 INT SE RH e 15 5 RADIO ANTI TWO BLOCK SWITCH OPTIONAL 22 5 1 RADIO ANTI TWO BLOCK TRANSMITTER AND RECEIVER DESCRIPTION 6 22 5 1 1 Transmitter att Ee EEN Ee he 22 6 PRE OPERATION INSPECTION AND CALIBRATION VERIFICATION 23 6 1 MACHINES WITH ONLY MAIN 5 000800000000 23 6 2 MACHINES WITH MAIN AND AUXILIARY 5 6 23 6 3 ANTI TWO BLOCK RETAINER INSTALLATION 24 FORE A HERE 25 8 SERVICE AND MAINTENANCE nennen 26 9 RROUBLESHO GO TIN Gide EEN 27 27 9 2 OPERATING re 27 HIRSCHMANN Rev F 12 17 2008 190197_F General Information 1 1 GENERAL INFORMATION The Hirschmann Load Moment Indicator LMI mentor has been designed to provide the crane operator with the
11. ass warning lights activated upon 14 Button SCROLL DOWN customer s installation of override keyswitch 15 Button OK Cn eae YS YS Fig 2 Operator s Console HIRSCHMANN Rev F 12 17 2008 190197_F 6 LC Display Operator s Manual Mentor The LCD visualizes texts and numerical values 1 Load Moment Bargraph 6 2 Actual Load 7 3 Capacity Max Load 8 4 Load Radius 9 5 Operating Mode 10 Load Moment Pre warning Light overload condition is approaching Load Moment Limit Light reached Reeving Parts Of Line Tip Height Boom Length Boom Angle Main Aux Hoist Option The yellow LOAD MOMENT PRE WARNING LIGHT 2 will light up when the load on the crane reaches the defined pre warning area thus indicating that an This means for the operator to continue his crane operation with extreme caution The red LOAD MOMENT LIMIT LIGHT 3 warns the operator that a rated load condition has been reached It lights up when the load on the crane reaches the crane load capacity The audible alarm also sounds when this condition has been The following crane movements will be stopped concurrently Hoist Boom down Telescope Out Crane lockouts are dependent on crane models if lockouts do not function as described refer to crane manufactures documentation HIRSCHMANN Rev 12 17 2008 190197_F System Description 7 Alarm Light Anti Two block The red An
12. d 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 The LMI can only work correctly if all adjustments have been properly set For correct adjustment the operator has to answer thoroughly and correctly 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 LMI has to be ensured before starting the crane operation Always refer to operational instructions and load charts provided by the crane manufacturer for specific crane operation and load limits 1 LOAD MOMENT generally the product of a force and its moment arm specifically the product of the load and the load radius Used the determination of the lifting capacity of acrane HIRSCHMANN Rev F 12 17 2008 190197_F 2 Operator s Manual Mentor 3 SYSTEM DESCRIPTION The Hirschmann Load Moment Indicator mentor basically consists of an console with micro processing unit length and angle sensor pressure transducer sensor and anti two block switch es The system operates on the principle of reference real comparison The real val
13. e values or to scroll down Button Use this button to confirm settings OK HIRSCHMANN Rev F 12 17 2008 190197_F 4 SYSTEM OPERATION The LMI setup procedure allows the operator to input the crane configuration The operator must complete the configuration setup procedure for the Load Moment Indicator system by confirming pressing to set the system into operation or changing it to enter a new configuration The previous configuration setup will be displayed and must match the current crane operating configuration 4 1 LANGUAGE SELECTION The mentor has 4 language selections available to the operator English Spanish German and French From the normal operating screen press the button to active language selections 4 2 LMI SETUP PROCEDURE If the system is turned off all adjustments remain stored When turning the system on again these adjustments can be acknowledged by merely pressing the OK button provided that the crane configuration has not been modified When operating in the selected Manbasket configuration all adjustments will remain stored after the system is turned off Only when operating in the Manbasket configuration will the system default to the previously selected Manbasket operating screen eliminating the need for the operator to acknowledge the configuration from the cab During the programming procedure the Load Moment Prewarning Light 2 Load Moment Limit Light 3 and the Ant
14. essential information required to operate the machine within its design parameters The LMI provides the operator with information regarding the length and angle of the boom working radius rated load and the total calculated weight being lifted by the crane The mentor LMI basically consists of an operator s console with micro processing unit length and angle sensor pressure transducer sensor and anti two block switch es The system operates on the principle of reference real comparison The real value resulting from the load measurement is compared with the reference data stored in the central processor memory and evaluated in the microprocessor If non permitted conditions are approached the mentor LMI will warn the operator by sounding an audible alarm lighting a warning light and locking out those functions that may aggravate or worsen the crane s condition 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 rea
15. hall be on the main hoist anti two block switch when the boom extension is being used 6 2 MACHINES WITH MAIN AND AUXILIARY HOISTS If the boom extension is not the operating position the by pass plug shall be installed in the main boom junction box The weight of the main hoist anti two block switch shall be installed lf the boom extension is in the operating position the connecting cable shall be installed between the junction boxes on the boom extension and the main boom Weights shall also be attached to the anti two block switches on both the main boom and boom extension lf the boom extension is in the operating position and no load line is being used on main boom to prevent injury or damage to equipment the weight shall be removed from main boom switch In that case the anti two block switch has to be locked with the red Anti Two Block Retainer which is fixed with a red lanyard not shown at the anti two block switch HIRSCHMANN Rev F 12 17 2008 190197_F 24 Operator s Manual Mentor 6 3 ANTI TWO BLOCK RETAINER INSTALLATION Installation of Anti Two Block Retainer in Locking Position Procedure see Fig 1 and 2 1 Pull the cable out of the switch and bend back parallel to the boom and hold 1 2 Slide the retainer from left side with its slot over the cable between the crimped stop and the switch 2 Push it firmly straight onto the cable guide of the Anti Two Block switch 3
16. i two block Alarm Light 4 will light up and the crane functions will be interrupted Note f a configuration is selected which 15 not available the display will indicate error code E04 this case the procedure has to be repeated with valid values HIRSCHMANN Rev F 12 17 2008 190197_F 10 Operator s Manual Mentor The correct setting is of utmost importance for the proper functioning of the system and the crane Therefore only operators who are thoroughly familiar with the crane and the operation of the system should execute the setting of the system according to the operating configuration of the crane The LMI programming procedure consists of the following steps e set the operating mode crane configuration select the outrigger configuration verify crane is level select the hoist in use for machines with dual hoist option select the reeving parts of line For easy operation the computer guides the operator through the procedure step by step Interactive operation HIRSCHMANN Rev F 12 17 2008 190197_F Pre operation Inspection Calibration Verification 11 4 2 1 Operation Mode Selection starts Manually after each modification of the crane configuration by Dressing SELECT OPERATION 8 button I A screen similar to the following one will appear If this operating mode corresponds with the current machine configuration press Otherwise use the scroll buttons and
17. m and visual LED on the console face or with the optional function lockout if the crane is so equipped The PAT Radio Anti Two Block uses radio communication electronics that transmits an OK signal This is to ensure accurate and consistent reception of data and to reduce the possibility of unnoticed failure The Unique serialized transmitter identifiers are used to ensure proper operation even though other cranes are in the area HIRSCHMANN y 5 1 1 Transmitter Switch Transmitter LED The transmitter has an LED on the bottom for diagnostics The LED should be on when in a two block condition or when the weight is lifted The LED will flash rapidly during a 2 block condition and will stop flashing after the switch is in a two block condition for more than 15 seconds The LED will flash randomly approximately every 4 5 seconds when the switch is transmitting When in sleep mode the LED will not flash Storage of the A2B transmitter for Travel The weight should remove from the switch when traveling to extend battery life The system is in permanent lockout and the system will not function until the chain is unhooked To use the feature attach any part of the chain into the hook When it is desired to use the switch again simply unhook the chain to allow the switch to close Battery Level Monitoring When the transmitter s voltage level drops to 3 9 volts with approx 10 battery life remaining a low battery warning will ap
18. pear on the operating screen Replace batteries at the next convenient opportunity HIRSCHMANN Rev F 12 17 2008 190197_F Pre operation Inspection Calibration Verification 23 6 PRE OPERATION INSPECTION AND CALIBRATION VERIFICATION Before operating the crane the following electrical connections must be checked to ensure that the system is properly connected for the crane configuration 6 1 MACHINES WITH ONLY A MAIN HOIST lf the crane works only with the boom and without boom extension no additional connections necessary However be sure the weight of the anti two block switch is properly installed on the main hoist load line With even parts of hoisting line the weight shall be attached to the dead end line With odd parts of hoisting line the weight shall be attached to the line of lowest speed lf the crane works with boom extension the connecting cable shall be installed between the junction box on the boom extension and the boom junction box The weight attached to the main hoist anti two block switch shall be removed In that case the anti two block switch has to be locked with the red Anti Two Block Retainer which is fixed with a red lanyard at the anti two block switch described in the following pages Then the weight shall be reattached to the boom extension anti two block switch Failure to re position the anti two block switch weight will prevent the overhoist system from functioning properly No weight s
19. reflects a deviation between displayed and actual values an authorized Hirschmann service representative shall be called for repair of the system or re verification of the crane s LMI calibration Any structural modifications or changes to the crane shall require re verification of the crane s LMI calibration HIRSCHMANN Rev F 12 17 2008 190197_F 26 Operator s Manual Mentor 8 SERVICE AND MAINTENANCE Daily maintenance of the Load Moment Indicator consists of inspecting 1 The electrical wiring connecting the various parts of the system If electrical wiring is damaged it shall be replaced immediately 2 Ifthe insulation is worn on the electrical wiring or cable guides are damaged these parts shall be replaced 3 Check the anti two block limit switches for freedom of movement Other than correcting the problems identified in the Malfunctions Table and replacing faulty mechanical parts and cables no other repairs shall be performed by non expert personnel When the LMI system is turned on it will go through a self test During this time the console will display the following screen and scroll from 1 6 while loading the system information Make sure the display is working and all the lights come on during this time If any of the components above fails please contact you re nearest service representative before operating the system HIRSCHMANN Rev 12 17 2008 190197_F Service and Maintenance 27 9 TR
20. ti Two Block Alarm Light lights up when the anti two block limit switch contacts open indicating that a two blocking condition is approaching Atthe same time the audible alarm will sound The following crane functions will be disabled subsequently hoist up telescope out and boom down refer to mentor service manual or the crane owner s manual for a complete description of the anti two block system LMI Override Key Warning Light The red LMI OVERRIDE WARNING LIGHT flashes to indicate that the LMI cut off function is activated This is activated by an external bypass key switch supplied by customer A2B Override Key Warning Light The red A2B OVERRIDE WARNING LIGHT flashes to indicate that the A2B cut off function is activated This is activated by an external bypass key switch supplied by customer Since lights 5 and 6 indicate the deactivation of the kick out function of the LMI system and the anti two block system the following instructions must be obeyed e The optional override by pass key switch function shall be used with discretion as unwarranted use of it to override the control lever lockout system can result in harm to the crane and danger to property and persons Never use the optional override by pass key switch function to either overload or operate the crane in a non permissible range Button SCROLL UP t Use this button to increase values or to scroll up Button SELECT OPERATION MO
21. tic test of the LMI system During the test the LC Display shows the crane model and serial number The last selected operating mode will be displayed and must only be confirmed OK if that configuration setup equals the crane s actual configuration Otherwise it must be deleted to enter a new configuration chapter 4 When operating in the Manbasket configuration the system will default to the previously selected Manbasket operating screen eliminating the need for the operator to acknowledge the configuration from the cab chapter 4 The operating configuration is determined by selecting from a list of possible operating configurations chapter 4 The configuration setup entered will be displayed and the reeving parts of line must be entered chapter 4 Upon acknowledgment of the inputs the system is ready for operation 190197_F d Operator s Manual Mentor 3 2 OPERATING CONSOLE The console has 3 functions e inputs by the crane operator operating configuration reeving and calibration e input of geometry limit values and signalization of exceeded limit values e display of important data and information The operator s console is mounted in the operator s field of vision For a better identification of displays and operating elements they are continuously backlit during operation 3 2 1 LC Display The LC display LCD used in the Hirschmann mentor operator s console is a wide temperature range alohan
22. ting the horn silence button and flashing the letter R H A S or W on the display There is no cutout associated with the limit function Use the following procedure to set or delete a limit LIM After pressing the limit button the following screen will appear indicating all current limits If no limits have been set the system will advance to the individual limit setting selection screen R Radius H Tip Height A Angle S Slew Angle W Virtual Wall Options which require special hardware i e slew potentiometer The upper left corner of the display will indicate only limits that have been set Use the and arrow buttons to scroll through the set limits Press the button to proceed to the individual selections Use the and arrow buttons to select the limit to be set or deleted the selection should now OK be flashing Then press Ei HIRSCHMANN Rev 12 17 2008 190197 16 Operator s Manual Mentor Angle limit setting The following screen will be displayed Use the and arrow buttons to select the maximum minimum angle delete angle limits or OK exit limit function Then press Only one of the functions MIN MAX can be completed at a time OK MIN Limit Boom to the minimum angle and press MAX Limit Boom to the maximum angle and press Use the and arrow buttons to select another angle limit or exit the angle limit function HIRSCHMANN Rev F 12
23. ue resulting from the load measurement is compared with the reference data stored in the central processor memory and evaluated in the microprocessor When limits are reached an overload warning signal is generated at the operator s console At the same time the crane functions such as hoist up boom down and telescoping out will be stopped The fixed data regarding the crane such as capacity charts boom weights centers of gravity and dimensions are stored in memory chips in the central processor unit This data is the reference information used to calculate the operating conditions The length angle sensors inside the cable reel which is mounted on the boom measure the boom length and angle The boom length is measured by the cable reel cable that also serves as an electrical conductor for the anti two block switches The crane load is measured by pressure transducers attached to the piston and rod sides of the lift cylinder nT 1 A2B Switch es 2 Pressure Transducers 3 Cable Reel d Console Fig 1 Components ofthe LMI System Mentor HIRSCHMANN Rev F 12 17 2008 190197_F System Description 3 1 SYSTEM FUNCTION START SELF TEST OK or Select operating configuration OK Select new operating configuration OK or select operating configuration OK OPERATIONAL HIRSCHMANN Rev F 12 17 2008 Upon switching on crane ignition switch the system starts with an automa
24. umeric display with transflective characteristics that give it a high visibility in sunlight and during backlit night operation Due to the nature of any LCD it works on the principle of polarization of light It should be noted that dual polarizations that are at a certain angle to each other can reduce the amount of light up to completely eliminating it if that angle becomes perpendicular This can have significance if the operator is wearing polarized sunglasses that happen to be perpendicularly polarized in relation to the LCD s polarization In this rare case the operator has to work without sunglasses or find different sunglasses that do not have this characteristic in order to avoid having the visibility of the display impaired The LCD contains an automatic temperature compensation that will adjust the LCD s contrast according to the surrounding temperature HIRSCHMANN Rev F 12 17 2008 190197_F System Description 5 3 2 2 Control Identification This unit contains a display and different controls that are described as follows LCD Area Load Moment Pre warning Light Load Moment Limit Light Alarm Light Anti Two Block BY PASS LMI Lock out Light BY PASS Anti Two Block Light Button SCROLL UP Button SELECT OPERATION MODE 9 Button Alarm Stop 10 Button Tare 11 Button and Control Light LIMITS 12 Button info 13 Button REEVING Parts Of Line Optional by p
25. up according to proper the actual crane configuration boom position or area definition correct length not with radio A2B No valid A2B switch status Replace A2B switch or cable to the A2B switch Replace battery of radio module radio A2B Setup ID in DGA12 9 Fallen below lower limit value in Cable between the central unit and the slewing measuring channel slewing angle 1 angle sensor defective or loose Water inside the Slew below allowed range plug of the angle sensor Move to allowed slew range Replace slewing angle sensor or sensor unit Fallen below lower limit value in Refer to measuring channel slewing angle 2 HIRSCHMANN Rev F 12 17 2008 190197_F
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