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SI 675

Issue B

EDI 8262

Telescopic cranes with derrick pressure sensors CALIBRATION W2245

1

Safety Instrumentation

Copyright 2001 The B & A Engineering Co Ltd
(Wylie Systems).
All rights reserved.

No part of these documents may be reproduced or transmitted in any form or by any means
including photocopy or any other information storage and retrieval system without permission
from Wylie Systems which will not normally be withheld assuming that the material is for
internal use only.

Ref: PAS May 2001

Wylie Systems

Rayco Electronic Systems

Wylie Systems

Rayco Technology Group

Rayco Technology Group

Rayco Technology Group

420 North Walnut Ave.

2440, Avenue Dalton.

Drury Lane

Broken Arrow, OK

SteFoy, P.Q.

St Leonards-on-Sea,

USA 74012

Canada G1P 3X1

East Sussex,

England TN38 9XS

Tel.: (918)-252-1957

Tel.: (418)-266-6600

Tel.: (44)-1-424-421-235

Fax.: (918)-252-2048

Fax.: (418)-266-6610

Fax.: (44)-1-424-433-760

W2245

Rated Capacity Indicator

Installation and Calibration

For

Telescopic cranes with derrick pressure sensors

(Frame F45TH410 onward)

Crane Warning Systems Atlanta

1-877-672-2951 Phone

1-678-261-1438 Fax

www.cwsa.biz

55M2245CNE

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Содержание W2245

Страница 1: ...is for internal use only Ref PAS May 2001 Wylie Systems Rayco Electronic Systems Wylie Systems Rayco Technology Group Rayco Technology Group Rayco Technology Group 420 North Walnut Ave 2440 Avenue Da...

Страница 2: ...ressure Sensor 5 2 2 Amplifier 5 2 3 Angle sensor 5 2 4 Anti two block switch 5 2 5 Length Sensor 5 2 6 Display box 5 3 0 INSTALLATION 9 3 1 Load pressure sensor 9 3 2 Anti Two Block switch 9 3 3 Disp...

Страница 3: ...oist parts of line and boom configuration The calibration mode which allows calibration of the sensors the radius and other variables is accessed by a small slide switch located on the I O board or by...

Страница 4: ...SI 675 Issue B EDI 8262 Telescopic cranes with derrick pressure sensors CALIBRATION W2245 4...

Страница 5: ...s are adhered to as failure to do so may result in incorrect calibration of the system 2 3 Angle sensor A pendulum driven high precision potentiometer that constantly monitors boom angle relative to t...

Страница 6: ...an be unplugged when the power is OFF by pulling open the side clamps of the connector on the board Also on this board are two fuses F1 protects the supply voltage to the unit use a 2 amp 5x20mm to re...

Страница 7: ...d 2 sensor TX1 Negative Signal of load 2 sensor DR Supply for Sensor AIN0 Signal from Boom Angle Sensor AIN1 Signal from extension sensor SLEW Signal from Slew Switch ATB Anti Two Block Signal VP Supp...

Страница 8: ...k load The CPU then compares the information with the set limits entered by the operator and the current duty The CPU will finally trigger the alarms if a limit is reached or lockout output if overloa...

Страница 9: ...any displays control levers switches or the operator view of the load Leave sufficient room for the sensor wires to be fed to the bottom of the display If the unit is pre wired with connectors simply...

Страница 10: ...d rod side sensors respectively out of a maximum of 1023 bits Refer to the Operator Manual for further details of diagnostics 3 3 1 2 Inside the amplifier short the two wires designated CAL terminals...

Страница 11: ...If the displayed value is outside the required range then adjust the gain settings on the CPU board according to the table below JA JB JC GAIN 1 1 1 1 2 1 1 100 2 2 1 125 2 4 1 137 2 4 3 188 3 1 1 200...

Страница 12: ...sensors CALIBRATION W2245 12 Wiring for Amplified inputs 3 3 2 Amplified inputs When amplified inputs are used usually in conjunction with slip rings the gain of the display unit must be set to 1 and...

Страница 13: ...ettings 3 4 3 1 Set the gain of the display unit to 1 Refer to section 2 6 2 3 4 3 2 Enter the Diagnostic menu and select sub section 5 load sensor output in bits TX0 and TX1 represent the outputs fro...

Страница 14: ...ue If the displayed value is outside the required range then adjust the gain settings on board 1 according to the table below 3 4 3 5 Amplifier Gain Setting Table Ja Jb Jc Gain 1 1 1 2 2 1 1 200 2 2 1...

Страница 15: ...ile to go from for example 300 0 bar to 250 bar in steps of 0 1bar While pressing on the UP 2 or DOWN 4 buttons use a finger from the other hand and press the ENTER button 1 or ESC button 3 The value...

Страница 16: ...ge of the calibration it is recommended to follow the progressive order as described in this manual This will prevent calibration of stages with non calibrated pre requisite stages The sequence for ca...

Страница 17: ...the system shows the basic screen with load angle etc Then move the calibration switch on the I O board to the CALIBRATION MODE position The display will show The system is now in the calibration mode...

Страница 18: ...B ENABLE will remain activate on a permanent basis whether or not the system is turned off and will be indicated by the letters CAL on the display when in normal mode The calibration MUST BE DISABLED...

Страница 19: ...ion Scroll down to 4 Zero Extension and press ENTER 1 Retract the boom fully The display will show on the upper right corner the signal in bits This must be above 50 and around 100 bits Press ENTER 1...

Страница 20: ...to menu 6 ZERO PRES BORE And press ENTER The reading on the upper right corner is in bits The total scale is 1023 The display should read between 20 and 50 bits 235 and 325 when connected through an...

Страница 21: ...nders and one pressure sensor on the full side of each cylinder collect both calibration values engraved on the sensors and average them Enter the averaged value as the span calibration value Press EN...

Страница 22: ...the proper parts of lines as reeved and press ENTER This is to take account of the head sheave radius if only one fall is reeved since the ball is in front of the head sheave rather than under it 4 2...

Страница 23: ...n the display Press ENTER to request calibration and ENTER again to confirm The system will scroll automatically to menu 16 P2 60 Retrac 4 2 12 2 60 Retracted Boom Press ENTER to get access The displa...

Страница 24: ...m usable angle the second angle at mid range and the third angle close to the maximum taking care to avoid the derrick cylinder end stops The boom lengths should be fully closed mid range and fully ex...

Страница 25: ...should be the same as angle3 now shown for reference Pt 5 angle5 L length5 Ref2 angle2 P bore pressure Length5 should be the same as length4 angle5 should be the same as angle2 now shown for referenc...

Страница 26: ...ightly greater than the displayed radius Press ENTER for editing the radius value will flash Increase the value to the new radius Never decrease this value below the primary value calculated by the sy...

Страница 27: ...e status of both the memory banks A and B A must read OK for the system to operate By scrolling up and down the bottom display will offer various options 4 2 17 1 Copy A B By pressing ENTER and the sa...

Страница 28: ...terate all data from memory bank A This should only be done when a system is installed for the first time or if an incompatible operating system is installed in the system This must never be done duri...

Страница 29: ...ne and the boom base pin in units and tenths of units The value is negative if the boom base pin is behind the center of rotation Use the set button 4 until the value becomes negative E G 2 feet 4 inc...

Страница 30: ...e rating of the hoist line capacity when reeving with more than one part The total rope capacity will de rate by the percent set except for one part 4 3 8 Block 1 Limit This is the value that determin...

Страница 31: ...activated 4 3 12 Cut Alarm The alarm 3 is the lock out activation It is based on the percent of maximum load and is normally set to the same value as Alarm 2 4 3 13 Out Of Duty Radius This variable re...

Страница 32: ...m length on the chart The distance entered for this variable extends the acceptable boom length for the maximum boom length on the chart 4 3 16 Inside Duty Length The ID length variable fulfils the sa...

Страница 33: ...ns drawing In this menu the ESC button can be used to return to the main menu at step 26 Also there is no double confirmation when calibrating Scroll through to the required variable Press ENTER to ob...

Страница 34: ...SI 675 Issue B EDI 8262 Telescopic cranes with derrick pressure sensors CALIBRATION W2245 34...

Страница 35: ...3 P2BUH The distance parallel to boom between boom base pin and lift cylinder top pin 4 4 4 P2MHH The horizontal distance between center of main hoist drum and boom base pin If the drum is mounted on...

Страница 36: ...in When the boom is horizontal if the boom base pin his higher than the lift cylinder top pin the distance is positive If the boom base pin is below the lift cylinder top pin the distance is negative...

Страница 37: ...ate and does not play a critical role in the load accuracy 4 4 13 HST A R The radius of the auxiliary hoist drum from the center to the middle of the hoist line layers This distance is approximate and...

Страница 38: ...les the duty chart interpolation between radii Simply press Enter 1 to change the status Note this should normally be set to Enable 4 5 2 Number of Hoists This option is used to set the number of hois...

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