System Description
© PAT Revision E // SB // 09/03/02
190137_E
7
LC-Display
The LCD shows graphical symbols, texts and numerical values.
Depending upon the selected operating mode (setup, limit mode
or LMI representation), the matching information is indicated on
the display.
Please refer to specific information for selected operating mode.
The display shows a utilization bar graph below the green, yellow,
and red area over the upper left portion of the display. The
utilization bar graph indicates the percent load of the maximum
load. The green portion of the indicates 0 to 90%, the yellow
prewarning indicates 10% to over load cutout, and the red
indicated over load over 100% of maximum load.
Load Moment Limit Light
The red LOAD MOMENT LIMIT LIGHT (2) warns the operator that a
rated load condition has been reached. When the load on
thecrane reaches the crane load capacity this light comes on and
the audible alarm sounds. During this condition, the following
crane movements will be stopped: hoist UP, telescope OUT,
boom DOWN.
Load Moment Pre-warning Light
The yellow LOAD MOMENT PRE-WARNING LIGHT (3) will light up
when the load on the crane reaches the defined pre-warning area,
indicating that an overload condition is approaching.
The operator should continue crane operation only with extreme
caution.
Alarm Light “Anti-2-Block”
The red “ANTI TWO-BLOCK ALARM LIGHT” (4) lights 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 and the following crane movements will
be stopped: hoist up, telescope out, boom down.