Hirschmann iVISOR mentor QVGA Manuale utente
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 1
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
iVISOR
mentor QVGA
Service Manual
Edition 2/2009 Rev. A
The order code for this document is
24 183 69 1012e (Generic)
Contents
General information
Important notes
Service menus
Troubleshooting
Appendix:
Wiring Diagrams …
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 2
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
TABLE OF CONTENTS
1. General information ........................................................................... 3
2. Important notes .................................................................................. 5
3. Sensor calibration.............................................................................. 6
3.1 Zero-setting the pressure signals......................................................... 8
3.2 Zero-setting the slewing signal........................................................... 10
3.3 Length sensor calibration procedure.................................................. 12
3.4 Angle sensor calibration procedure.................................................... 15
4. Troubleshooting............................................................................... 19
4.1 General information............................................................................ 19
4.2 Error code list ..................................................................................... 20
Revision History ................................................................................. 26
Appendix: Wiring, Drawings, Spare Parts
The manufacturer reserves the right to modify the contents of this manual without notice. 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..
Configuration Setup
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 3
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
1. GENERAL INFORMATION
This manual describes the service menus of the iVISOR mentor QVGA load moment indicator (LMI)
and assists a service or maintenance person in identifying system malfunctions.
NOTE: Knowledge of system and CAN bus wiring is assumed.
REFERENCE: Refer to Operator’s manual 24 183 19 1012e (Generic) for detailed operation of
the mentor QVGA.
The iVISOR mentor QVGA load moment indicator system comprises a central microprocessor unit
with an integrated display and control console together with various sensors to record the measured
values. The system components are connected via CAN bus.
Components of the iVISOR mentor QVGA LMI system
Configuration Setup
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 4
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
Components:
CPU/Console: The iVISOR mentor QVGA load moment indicator comprises a central
microprocessor unit with an integrated display and operating console together with various
sensors to record measured values. The system components are connected via CAN bus.
The iVISOR mentor QVGA displays all geometrical information such as length and angle
of main boom, working radius and tip height of the boom. It also displays the actual load
and the maximum load permitted by load chart. Furthermore, it has an acoustical alarm, a
warning light for overload, and a pre-warning light.
The graphic display allows for a simple interactive configuration setup, as well as sensor
calibration (zero adjustment), and troubleshooting sensor output screen. The console has
a warning light for anti-two-block conditions and an override switch for overload or anti-
block condition.
Length-Angle Transducer: The length-angle sensor gSENS LWG, often referred to as
the “cable reel”, is a combination of two transducers in one box, installed on 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 multi-conductor cable. It is connected 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.
Pressure Transducer(s): A pressure transducer pSENS DAVS converts hydraulic
pressure into a CAN signal. One (or two) pressure transducer is (are) connected to the
piston side of the lift cylinder and one to the rod side.
Slew Angle Sensor: The gSENS DWG sensor converts the circular motion of the upper
structure of the crane into a CAN signal.
Configuration Setup
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 5
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
2. IMPORTANT NOTES
The LMI is an operating aid that warns the crane operator of imminent overloading or of the approach
of the hook block to the boom head, in order to avoid possible property damage or injury to personnel.
The device is not, nor is it intended to be, a substitute for good operator judgment and/or experience,
nor does it remove the need for utilizing only recognized safe procedures during crane operations.
The crane operator continues to bear ultimate responsibility for safe operation of the crane.
He must ensure that he fully understands and follows the displayed notes and instructions
in their entirety.
The LMI is not able to provide aid to the crane operator unless it has been properly adjusted
and unless the correct load capacity chart and the correct operating code have been
entered for the respective rigging configuration. The correctness of the LMI settings must
be guaranteed before beginning crane work in order to avoid damage to property and
severe or even fatal injuries to personnel.
This system can be equipped with an external key-operated switch located in the crane
operator's cab. This key-operated switch overrides control lever function switch-off by the
LMI or by the hoist limit switch system. This switch may only be used during emergency
situations, and even then only by authorized personnel. Failure to observe these
instructions could result in damage to property and severe or even fatal injuries to
personnel.
The LMI cannot perform correctly unless it has been properly adjusted. The prerequisite for
this is making conscientious and correct entries during the set-up procedure, in
accordance with the actual configuration of the crane. The correctness of the LMI settings
must be ensured before beginning crane work in order to avoid damage to property and
severe or even fatal injuries to personnel.
Sensor Calibration
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 6
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
3. Sensor Calibration
In this code-protected area, settings affecting system precision can be made by trained service
personnel. For access to the calibration menus it is necessary to input a matching 5-digit code.
To start the function:
▼Info screen
Actuate the INFO key.
to service menus
back
▼Entry to calibration menus
abort input of service code
increase marked numeric value
reduce marked numeric value
mark the next figure, access after the last valid figure
If an invalid service code is entered, you are prompted to enter it again or to abort the input.
Sensor Calibration
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 7
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
After entering the service menu you can follow the calibration procedure step by step or can select
the type of calibration by scrolling with function key . Press "ESC" to finish calibration procedure:
3.1) pressure
signal piston side
… and rod side 3.2) slewing angle
signal
3.3) boom length
signal
3.4) boom angle
signal
Sensor Calibration
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 8
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
3.1 Zero-setting the pressure signals
NOTE: The only thing adjustable for the pressure transducers is the zero point, which is the signal the
transducer outputs when there is no (zero) pressure sensed.
Ensure there is no pressure in the hydraulic line when
disconnecting the hoses from pressure transducers!
The display shows which transducer (piston-side, rod-side or force) is being zeroed and a horizontal
dial marks the present pressure (or force) difference in %.
NOTE: there are two calibration screens: for piston and for rod transducer.
NOTE: The operating range for zero-setting this value is from -1% to +1%.
Press and release the “AUTO >CAL<” key multiple times until the zero-setting starts.
The indicator line must move to zero on the dial, otherwise the zero-setting of this value is not
correct!
▼Zero point adjustment, pressure piston side:
leave the service menu
carry out zero point setting
skip calibration step / go to next menu
Sensor Calibration
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 9
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
▼Zero point adjustment, pressure rod side:
leave the service menu
carry out zero point setting
skip calibration step / go to next menu
Sensor Calibration
© 2009 Hirschmann Automation and Control GmbH · Branch Office Ettlingen · eMail: info.ec[email protected]e · www.hirschmann.com 10
24 183 69 1012e (Generic) / 2009-02-26 / Rev. 01 / rk.
3.2 Zero-setting the slewing signal
NOTE: The only thing adjustable for the slew potentiometer is the zero point, which is complete when
the boom is at the 0°and 180° position of the crane.
NOTE: The range for zero-setting this value is from -10° to +10°./ ±170° to 190°
Press the “AUTO >CAL<” key until the zero-setting starts. The indicator line must move to zero
on the dial, otherwise the zero-setting of this value is not correct!
▼Zero point setting, slewing angle 0° position:
leave the service menu
carry out zero point setting slewing angle for 0° position
skip calibration step / go to next menu
▼Zero point setting, slewing angle 180° position:
leave the service menu
carry out zero point setting slewing angle for 180° position
skip calibration step / go to next menu
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