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GREER Company MicroGuard 404 Manual

Hydraulic cranes
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GREER COMPANY
MicroGuard
404
COMMISSIONING
PROCEDURE
HYDRAULIC CRANES

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  • Page 1 GREER COMPANY MicroGuard  COMMISSIONING PROCEDURE HYDRAULIC CRANES...

  • Page 3: Table Of Contents

    CONTENTS  GENERAL INFORMATION PAGE 3  COMMAND 17 PERSONALITY PAGE 7  NUMBER ENTRY PROCEDURES PAGE 10  COMMAND 00 PAGE 12  COMMAND 01 TEST PAGE 12  COMMAND 02 ERRORS PAGE 12  COMMAND 03 SCALE PAGE 14 ...

  • Page 4: General Information

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES GENERAL INFORMATION After satisfactory installation of the complete system, ensure that it is correctly wired in accordance with the appropriate Wiring Diagram. Before carrying out any crane operations ensure that machine is on firm and level...
  • Page 5 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES CALIBRATION PROCEDURES The Display Unit provides the interface between the user and the calibration program. The user communicates with the program interactively using the keypad. This manual provides information necessary to carry out a calibration but for the experienced user the displays provide information and data to enable the calibration to be carried out using only on screen prompts.
  • Page 6 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES Data entry is achieved by the use of six of the keypads on the standard display. These are shown as follows with a description of their basic function.  UP ARROW INCREMENT A NUMBER ...
  • Page 7 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES Following correct entry of the calibration code then the system will be in the MONITOR mode and will be at the Command 00 Run. The entire calibration menu is as follows. RETURNS TO NORMAL SCREEN AFTER SELF TEST...

  • Page 8: Command

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 17 PERSONALITY The Personality command is used to manipulate the crane calibration data. The system has storage space for two sets of data in the EEPROM IC7. The active personality is the data actually used by the main program.
  • Page 9 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES WARNING If the system has been previously calibrated and the intention is only to access data or change only a portion of the previous calibration then DO NOT perform the initialization process which follows otherwise the entire previous calibration data will be lost.
  • Page 10 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 17/0 SAVE On completion of a calibration it is necessary to carry out Command 17/0 SAVE and this is referred to at the end of this publication. There is no reason, however, why this command should not be used at any time during the intermediate stages of a calibration, for example at the end of a period of work or if desired after each section of a calibration has been completed.

  • Page 11: Number Entry Procedures

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES NUMBER ENTRY The MicroGuard 404 does not have number entry keys. A special number entry procedure is used to allow the simple entry of numbers. When numerical entry of data is required the center display will change to allow the entry of numbers.
  • Page 12 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES NUMBER ENTRY (continued) IN THE EXAMPLE WHICH FOLLOWS AN ARBITRARY NUMBER OF MINUS 123.45 HAS BEEN CHOSEN TO ILLUSTRATE THE USE OF THE PROCEDURE.    1 TO SELECT THE FIRST DIGIT PRESS 1...

  • Page 13: Command 00 Run

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 00 RUN THIS COMMAND IS USED TO EXIT FROM THE CAL MODE AND RETURN TO THE NORMAL OPERATING SCREEN AFTER THE COMPLETION OF A CALIBRATION. INCLUDED IN THE OPERATION OF THE COMMAND IS THE EXECUTION OF A SYSTEM SELF TEST WHICH IS CARRIED OUT AUTOMATICALLY FROM WITHIN THE COMMAND.
  • Page 14 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES ERROR CODES GROUP "A" ANALOG SENSORS CODE NO FAULTS SENSOR 0 PISTON PRESSURE TRANSDUCER SENSOR 1 ROD SIDE PRESSURE TRANSDUCER SENSOR 2 EXTENSION SENSOR SENSOR 3 BOOM ANGLE SENSOR SENSOR 4 UPPERSTRUCTURE ANGLE SENSOR SENSOR 5 SWING POTENTIOMETER "A"...

  • Page 15: Command 03 Scale

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 03 SCALE REFER TO THE CRANE INSTALLATION MANUAL FOR THE SCALING FACTORS TO BE USED. EXAMPLES ONLY ARE SHOWN IN THIS MANUAL. THE UNITS WILL MEET A PARTICULAR CUSTOMER REQUIREMENT E.G. FEET/METERS/POUNDS/KILOS/TONNES ETC. THEREFORE USE ONLY THE UNITS OF MEASUREMENT SHOWN ON THE CABLE SCHEDULE FOR THE UNIT TO BE CALIBRATED.
  • Page 16 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES Details of entered scaling factors may be checked by use of the following sequence:-   SCROLL TO 03 SCALE BY PRESSING START THE COMMAND BY PRESSING SELECT THE DISPLAY WILL READ LENGTH = 128.00 ...

  • Page 17: Command 04 Alarm

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 04 ALARM The alarm command permits the setting or modification of the following alarms:-  Alarm 0 %SWL for Red Lamp and Motion-Cut Relay  Alarm 1 %SWL for Amber Lamp and Pre-Alarm Relay...
  • Page 18 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES THE DISPLAY WILL READ % SWL #2 = 0.0000 START THE CALIBRATION OF % SWL #2 SELECT BY PRESSING  SELECT CONFIRM THE CALIBRATION (or abort with USE NUMBER ENTRY PROCEDURE TO ENTER % SWL #2 = 90 AFTER THE MESSAGE "CALIBRATING"...
  • Page 19 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES Details of Alarms previously entered may be examined by use of the following sequence:   SCROLL TO 04 ALARM BY PRESSING START THE COMMAND BY PRESSING SELECT THE DISPLAY WILL READ % SWL # 0 = 99.996 ...

  • Page 20: Command 05 Rope

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 05 ROPE  Maximum hoist rope tension is specified by the crane manufacturer for the size and type of wire rope used on the machine. This value plus a 10% margin is entered in this procedure for each hoist.
  • Page 21 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES  SELECT CONFIRM THE CALIBRATION (or abort with USE NUMBER ENTRY PROCEDURE TO ENTER LIMIT #1 = 8.850 AFTER THE MESSAGE "CALIBRATING" LIMIT #1 = 8.8500 THE DISPLAY WILL READ  SCROLL TO % perPart BY PRESSING THE DISPLAY WILL READ % perPart = 0.0000...
  • Page 22 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES Details of Limits previously entered may be examined by use of the following sequence:   SCROLL TO 05 ROPE BY PRESSING START THE COMMAND BY PRESSING SELECT THE DISPLAY WILL READ LIMIT # 0 = 10.250 ...

  • Page 23: Command

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 15 DEDUCT The Deduct Command permits the entry of "deduct" data for stowed or erected but unused lifting attachments. The program modifies both the boom moment and the rated capacity according to the data which is entered.
  • Page 24 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES   During this procedure will select STOWED and will select ERECTED. Enter "deduct" data by use of the following sequence:   SCROLL TO 15 DEDUCTS BY PRESSING START THE COMMAND BY PRESSING...
  • Page 25 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES   SCROLL TO NEW ERECTED OR STOWED BY PRESSING SELECT ERECTED OR STOWED BY PRESSING SELECT   SCROLL TO NEW DEDUCT NUMBER BY PRESSING SELECT DEDUCT NUMBER BY PRESSING SELECT WHEN ERECTED OR STOWED AND DEDUCT...

  • Page 26: Command 06 Zero

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 06 ZERO The Zero Command permits the calibration of the zero of most analog sensors. There are five sensors which can be zeroed by the use of command 06. Each of these sensors is allocated a number which corresponds to the input to which it is connected in the system.
  • Page 27 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES Calibrate the zero of the piston side pressure transducer by use of the following sequence:   SCROLL TO 06 ZERO BY PRESSING START THE COMMAND BY PRESSING SELECT   SCROLL TO TX 0 BY PRESSING...
  • Page 28 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES ZERO EXTENSION SENSOR. The reel is fitted with 130 ft. of shielded 2-wire cable which is terminated in a 3-pin socket. The cable cannot be shortened to accommodate varying boom lengths and the following method of pre-tensioning is recommended.
  • Page 29 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES ZERO BOOM ANGLE SENSOR Using an inclinometer, set the boom horizontal. Ensure that with the boom horizontal, the boom angle sensor is mounted perpendicular to the boom. Calibrate the zero of the boom angle sensor by use of the following sequence: ...
  • Page 30 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES ZERO SUPERSTRUCTURE ANGLE SENSOR (S.A.S.) Ensure that the superstructure is level and that the S.A.S. is perpendicular to the superstructure. Calibrate the zero of the S.A.S. by use of the following sequence: ...

  • Page 31: Command 07 Span

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 07 SPAN Command 07 permits the scaling of most analog sensors with the exception of Swing Sensors and Pressure Sensors which have their own routines. SPAN BOOM EXTENSION SENSOR THROUGHOUT THIS PROCEDURE DO NOT FULLY EXTEND THE BOOM IF THIS WOULD CAUSE A TIPPING CONDITION.
  • Page 32 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES SPAN BOOM ANGLE SENSOR Raise the retracted boom to an angle higher than 60 degrees and measure the angle using an inclinometer. (E.G. 71.5) Calibrate the span of the B.A.S. by use of the following sequence: ...
  • Page 33 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES SPAN SUPERSTRUCTURE ANGLE SENSOR The calibration of the S.A.S. is similar to the calibration of the B.A.S. However, whereas it was possible to raise the boom to a high angle, it will not be possible to tilt the superstructure in such a way. The calibration of the S.A.S.

  • Page 34: Command 08 Swing

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 08 SWING SCALE The swing command does not require the entry of measured data. All measurements of swing data are acquired automatically by the system during the calibration of the swing sensor. However, it is essential that when the crane upper is rotated during the scale procedure it is rotated slowly.
  • Page 35 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES POSITION THE CRANE UPPER DIRECTLY IN LINE OVER THE FRONT OF THE MACHINE START THE SLEW ZERO CALIBRATION SELECT BY PRESSING  SELECT CONFIRM THE CALIBRATION (or abort with THE DISPLAY WILL READ 1 = SLEW ZERO ...

  • Page 36: Command 09 Radius

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 09 RADIUS ALL RADIUS MEASUREMENTS ARE TAKEN FROM THE CENTER LINE OF ROTATION TO THE CENTER OF THE HOOK. FOR BEST ACCURACY, CARRY OUT RADIUS CALIBRATION ON EVEN PARTS OF LINE AND BE SURE TO SET THE PARTS OF LINE FOR THE PARTS OF LINE IN USE.
  • Page 37 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES WITH THE BOOM STILL HORIZONTAL AND RETRACTED CONTINUE THE SEQUENCE START THE CALIBRATION OF RADIUS SELECT BY PRESSING  SELECT CONFIRM THE CALIBRATION (or abort with USE NUMBER ENTRY PROCEDURE TO ENTER RADIUS (a) (...

  • Page 38: Command

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 10 PRESSURE GENERAL Command 10 is used to enter values relating to the geometry of the boom hoist cylinder(s) and to set the span of the pressure transducers. Details of the geometry will often be given on the cable schedule but may also be measured on the machine as necessary.
  • Page 39 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES Enter the geometry data by use of the following sequence:   SCROLL TO 10 PRESSURE BY PRESSING START THE COMMAND BY PRESSING SELECT START THE CALIBRATION OF DIMN. L SELECT BY PRESSING ...
  • Page 40 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES USE NUMBER ENTRY PROCEDURE TO ENTER ANN. GAIN  CONTINUE TO THE NEXT PART OF THE SEQUENCE BY PRESSING START THE CALIBRATION OF HOOK BLOCK SELECT BY PRESSING  SELECT CONFIRM THE CALIBRATION (or abort with...
  • Page 41 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES ANNULAR GAIN In some circumstances it may be necessary to change the setting of the annular gain after the main calibration has been completed. For example if when booming down, spurious function kick-out occurs then the setting must be changed to meet the new dynamic conditions.

  • Page 42: Command

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 11 BOOM MOMENT MAIN BOOM ONLY  All fly or jib attachments which were removed at the commencement of calibration will remain off the boom until later in the procedure.  Tare data is the weight of the hook-block fitted during the procedure. If a different hook-block is fitted subsequently its weight will be automatically calculated....
  • Page 43 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES Fully retract the horizontal boom. Determine the weight of the hook-block currently fitted. Calibrate the moment of the main boom by use of the following sequence:   SCROLL TO 11 BOOM MOMENT BY PRESSING...

  • Page 44: Command

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 12 BOOM DEFLECTION CORRECTION BOOM DEFLECTION CORRECTION (BDC) THIS COMMAND CAN BE USED FOR ALL CONFIGURATIONS. IT IS ALWAYS NECESSARY FOR THE MAIN BOOM BUT IT IS CONSIDERED TO BE OPTIONAL FOR FLY OR JIB CONFIGURATIONS.

  • Page 45: Command 13 Hite

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 13 HITE The "HITE" command permits the calibration of the boom head height. Most of the data required for the computation is already available. This procedure will establish a fixed offset which is the height of the boom pivot above ground level.

  • Page 46: Command 14 Fly/Jib

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 14 FLY/JIB THE CALIBRATION ROUTINE FOR FLYS/JIBS WILL NOT OPERATE UNTIL A FLY OR JIB CONFIGURATION IS SELECTED. IT IS ABSOLUTELY NECESSARY TO HAVE THE CORRECT SELECTION PRIOR TO ACCESSING THE ROUTINE.
  • Page 47 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES Raise the retracted boom to an angle greater than 60 and measure the new radius. START THE DATA ACQUISITION BY PRESSING SELECT  ACQUIRE THE HIGH ANGLE DATA BY PRESSING USE THE NUMBER ENTRY ROUTINE TO ENTER THE NEW RADIUS (f) THE DISPLAY WILL READ (...

  • Page 48: Command

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 16 SENSITIVITY The SENSITIVITY Command permits the user to change the scaling of analog sensors according to their sensitivity. Typically the routine would be used when a service replacement transducer is fitted but full re- calibration facilities are not available.

  • Page 49: Command

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 17/0 SAVE On completion of a calibration it is necessary to carry out Command 17/0 SAVE. The use of this command will ensure that a copy of the calibration, will be contained in the back-up memory.

  • Page 50: Command

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES SWITCH OFF POWER TO THE SYSTEM BEFORE REMOVING OR INSERTING INTEGRATED CIRCUITS A COPY OF THE CONTENTS OF THE "A" PORTION OF THE PERSONALITY IS NOW STORED TEMPORARILY IN MEMORY IN THE COMPUTER. THE CHIP IN SOCKET IC7 IS REMOVED AND WILL BE THE SERVICE BACK-UP CHIP.

  • Page 51: Command

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES COMMAND 19 DIGITAL INPUTS The logic status of digital inputs is displayed by use of this command. The inputs can be high or low. Low is indicated by 0 and high is indicated by 1.
  • Page 52 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES   SCROLL TO 20 DUTY BY PRESSING START THE COMMAND BY PRESSING SELECT THE DISPLAY WILL READ THE CURRENTLY SELECTED CONFIGURATION START THE NEW SELECTION BY PRESSING OUTRIGGER PUSHBUTTON   SCROLL TO THE OUTRIGGER SELECTION...

  • Page 53: Duty

    MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES GLOSSARY OF TERMS ABORT The premature termination of a data entry procedure. ALARM A signal that warns or alerts such as a flashing light or loud noise. AMPLIFIER A device which takes an input and produces an output of greater...
  • Page 54 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES ELASTIC Capable of recovering size or shape after deformation. ERECTED ATTACHMENT An attachment on the main boom fitted in its working position. EXTENSION SENSOR A device which measures the extension of the telescoping sections of a boom.
  • Page 55 MicroGuard 404 COMMISSIONING PROCEDURE FOR HYDRAULIC CRANES "Read only" memory from which data can only be read, i.e. not changed after programming. ROPE LIMIT The maximum permitted single line pull determined by the construction and diameter of a wire rope.

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