PAT IK350/1272 Manuale utente
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 1
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
The information in this document is subject to change without notice. PAT makes no warranty of any kind with
regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a
particular purpose. PAT shall not be liable for errors contained herein or for identical or consequential damages
in connection with the furnishing, performance, or use of this manual. This document contains proprietary infor-
mation which is protected by copyright. All rights reserved. No part of this document may be photocopied, re-
produced, or translated to another language without the prior written consent of PAT.
USER MANUAL
IK 350 / 1272
part no. 50 350 19 1272 e
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 2
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
TABLE OF CONTENTS
1. General Information ................................................................ 3
2. Warnings .................................................................................. 4
3. System Description ................................................................. 5
3.1 System Function........................................................................ 6
3.2 Operator's Console.................................................................... 6
3.3 Control Identification.................................................................. 7
3.4 Data Display ............................................................................ 14
4. Programming ......................................................................... 18
4.1 Setup Operation Mode ............................................................ 18
4.2 Setup Reeving ......................................................................... 19
5. Pre-Operation Inspection and Calibration verification ...... 20
5.1 Operation................................................................................. 22
6. Service and Maintenance...................................................... 23
7. Troubleshooting .................................................................... 24
7.1 General.................................................................................... 24
7.2 System messages ................................................................... 24
7.3 Error Code Table ..................................................................... 25
Important Notes for crane operators and users .......................... 36
General Information
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 3
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
1. GENERAL INFORMATION
This manual describes the function, operation and maintenance of the DS 350 Load Mo-
ment Indicator1(LMI).
The LMI has been designed to provide the crane operator with the essential information required to
enable the machine to be used within its design parameters.
Using various sensing devices, the Load Moment Indicator monitors various crane functions and pro-
vides the operator with a continuous reading of the crane's capacity. The readings continuously
change as the crane moves through the motions needed to make the lift.
The LMI provides the operator with information regarding the length and angle of the boom, tip height,
working radius, rated load and the total calculated weight being lifted by the crane.
If non permitted conditions are approached, the DS 350 Load Moment Indicator will warn the operator
by sounding an audible alarm, lighting a warning light and locking out those functions that may aggra-
vate the crane's condition.
1LOAD MOMENT: generally the product of a force and its moment arm; specifically, the product of the load and the load-
radius. Used in the determination of the lifting capacity of a crane.
General Information
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 4
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
2. WARNINGS
The LMI is an operational aid which warns a crane operator of approaching overload conditions and
also warns of overhoist conditions which could cause damage to equipment and personnel.
WARNING
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 operation of the crane shall remain with the crane operator
who shall ensure that all warnings and instructions supplied are fully understood and ob-
served.
Prior to operating the crane, the operator must carefully and thoroughly read and under-
stand the information in this manual to ensure that he knows the operation and limitations
of the indicator and crane.
Proper functioning is dependent upon proper daily inspection and observations of the op-
erating instructions set forth in this manual.
WARNING
The displays will only aid the operator when the LMI is properly programmed and the proper
load capacity chart is selected for the crane configuration being utilized. To prevent prop-
erty damage or serious bodily injury or death to personnel, ensure the LMI is properly pro-
grammed before operating the crane.
WARNING
This system is equipped with an override key on the central microprocessor unit. This key
switch bypasses control lever lock-out function of load moment indicator device. The
switch may only be used by authorized personnel during emergency situations. Failure to
follow this instruction may result in property damage and/or personal injury.
System Description
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 5
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
3. SYSTEM DESCRIPTION
The PAT Load Moment Indicator DS 350 consists of a central micro processor unit, operating console
and various peripheral sensors.
The 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 gener-
ated at the operator's console. At the same time, the dangerous 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 chips in the central processor unit. This data is the reference infor-
mation used to calculate the operating conditions.
System operation is controlled partially by automatic devices such as angle sensors and partially by
manual devices such as switches on the operator's console.
Boom length and boom angle are registered by the length/angle sensor, mounted inside the cable
reel which is mounted on the boom. The crane load is measured by pressure transducers attached to
the piston and rod side of the lift cylinders.
System Description
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 6
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
3.1 SYSTEM FUNCTION
After ignition of the engine, the system starts with an automatic test of all lamps, the displays, the
audible alarm and the complete system. All segments on the display are triggered. Upon completion
of the different tests without errors, the key "operating mode" (6) lights up. The system now awaits
either the acknowledgment of the operating mode code displayed in the field K of the data display
(1) or the input of a new operating mode code corresponding to the momentary crane configuration.
Then, real load, lifted load as well as different crane data are now displayed on the LCD screen. Only
now the system is in ready for operation.
Note: When turning off the system, the adjusted values for operating mode and reeving will be
stored.
In case of malfunction, the respective error code "E##" will be displayed on the data display (1) in the
field M (please refer to chapters 3.4 and 7).
3.2 OPERATOR'S CONSOLE
The console has two functions:
·terminal for input of instructions to the system by the crane operator
·display of important data and information
The operating console is located in the operator's cabin in front of the operator. For a better identifica-
tion of displays and operating elements they are permanently backlit during operation. The console
contains different operating elements as well as a multi-functional LC display which are described in
detail in chapters 3.3 and 3.4.
Control Identification
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 7
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
3.3 CONTROL IDENTIFICATION
Figure 1 illustrates the controls and displays of the DS 350 safe load indicator. The numbers of the
illustration correspond to the numbers in the following list which describes the function of each con-
trol:
1 data display, multi functional
2 A2B switch pilot lamp
3 Prewarning lamp (load moment)
4 Overload lamp (load moment)
5 Pilot lamp "Bridging LMI"
6 Button "operating mode"
7 Button "Reeving"
8 Button "Taring"
9 Button "Alarm off"
(10) without function (evtl. symbol w/o signification)
(11) without function
(12) without function
(13) without function
14 Numerical keys 0...9
15 Key "Acknowledgment"
16 Key "Asterix" (evtl. for comma inputs)
14
6
1
2
3
4
5
7
8
9
10...13
15
16
fig. 1
(standard)
Control Identification
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 8
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
(1) DATA DISPLAY
The DATA DISPLAY (1) is a multi-functional LC display which shows load, geometrical and crane
data. The display is further described at chapter 3.4.
(2) ANTI-TWO BLOCK INDICATOR
The red ANTI-TWO-BLOCK INDICATOR (2) will light up when the
anti-two-block limit switch contacts open, indicating that a two-
blocking condition is approaching. At the same time the audible
alarm will sound.
The following crane movements will be stopped subsequently:
hoist up, telescope out, boom down.
WARNING
This condition, if not prevented, will cause the wire rope to break, allowing the load to fall.
Two blocking can be caused by raising the load into the boom head, lowering the boom
without paying out hoist line and, in case of a hydraulic crane, by extending the boom with-
out paying out hoist line.
Control Identification
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 9
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
(3) LOAD MOMENT PREWARNING LIGHT
The yellow LOAD MOMENT PREWARNING LIGHT (3) will light up
when the load on the crane is between 90 and 100 % of the crane
rating, indicating that an overload condition is approaching.
A
TTENTION
This means for the operator to continue his crane operation with extreme caution.
(4) LOAD MOMENT LIMIT LIGHT
The red LOAD MOMENT LIMIT LIGHT (4) 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
reached. The following crane movements will be stopped concur-
rently: hoist up, boom down.
(5) OVERRIDE KEY WARNING LIGHT
This red pilot lamp lights up if the cutoff function of the LMI system
has been manually bridged. The manual bridging is done by a key
switch which is located at the side of the central unit housing.
This key may only be use in emergencies and by authorized per-
sonnel exclusively.
In this context, the safety instructions on page 4 of this manual
absolutely have to be followed.
Control Identification
© 1996-2001 by PAT GmbH ∙D-76275 Ettlingen ∙Hertzstr. 32 - 34 ∙++49 (0) 7243 709-0 ∙FAX ++49 (0) 7243 709-141 10
19_1272E.DOC / 2001-04-02 / Rev. C / ko.
(6) Button "Operating Mode"
The button „Operating mode" (6) is actuated if a new operating
mode code (e.g. upon modification of the operating state) is to be
entered.
The button "Operating mode" lights up upon actuation, thus indi-
cating that the function "Input of an operating mode code" has
been activated. At the same time, the A2B switch pilot lamp (2)
and the overload pilot lamp (4) light up and the crane movements
are interrupted.
WARNING
The correct setting of the Operating Code Switch is of utmost importance for the proper
function of the system and the crane. Therefore, only crane operators who are thoroughly
familiar with crane load capacity charts and the use and operation of the system shall set
the Operating Code Switch.
·The procedure on how to enter an operating mode code is described in chapter 4.1.
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