OPERATING PROCEDURES GRT8120 OPERATOR MANUAL
4-118 Published 3-22-2021, Control # 702-02
tenths) to the desired boom angle value
(3, Figure 4-110).
NOTE: The Limitation is dependent on the accuracy of the
Boom Angle Sensor, which can be ±1 degrees.
6. Use the OK Button (5, Figure 4-62) to finish entering the
value.
NOTE: The boom may now be near the limitation
(depending on the value entered), so alarms may
be active. The boom can now be moved away from
the current boom elevation to cease the alarm, if
needed.
7. The Boom Up Limit is now defined and enabled.
Setting the Boom Down Limits Menu by Value
To define and enable the Boom Down Elevation Limits Menu
using a “typed in” value as the limitation, the following steps
can be used:
1. Set the RDM screen parameters first. Refer to Using the
Rated Capacity Limiter Display Module (RDM), page
4-158.
2. Using the Jog Dial (5, Figure 4-63), go to the ODM Main
Menu Screen. Then choose the Working Range Limiter
(WRL) Group Menu Icon (11, Figure 4-76).
3. Select the Boom Angle Limitation Menu Screen
(3, Figure 4-108). NOTE: The Boom Angle Limitation
Icon (8, Figure 4-110) is shown on the top left side of the
ODM screen.
4. Enable the limitation by using the Jog Dial
(5, Figure 4-63) or the Arrow Keys (4, Figure 4-62) and
move to the Enable/Disable Switch (4, Figure 4-110).
NOTE: The Switch (4, Figure 4-110) is the
Enable/Disable Switch and is a toggle switch. Click OK
(5, Figure 4-62), or the Jog Dial (5, Figure 4-63) to set
the switch.
5. Use the Jog Dial (5, Figure 4-63), or the Right Arrow Key
(4, Figure 4-62) to move and select the Minimum Boom
Angle Symbol (6, Figure 4-110), Limitation B. Enable the
value entry by clicking on OK (5, Figure 4-62). Enter a
value by using the Jog Dial (5, Figure 4-63) or the upper
and lower arrow keys (4, Figure 4-62) to change the
value (in tenths) to the desired boom angle value
(6, Figure 4-110).
NOTE: The Limitation is dependent on the accuracy of the
Boom Angle Sensor, which can be ±1 degrees.
6. Use the OK Button (5, Figure 4-62) to finish entering the
value.
NOTE: The boom may now be near the limitation
(depending on the value entered), so alarms may
be active. The boom can now be moved away from
the current boom elevation to cease the alarm, if
needed.
7. The Boom Down Limit is now defined and set.
Boom Up/Down Limitation Disable Procedure
To disable an active Boom Up or Boom Down Limitation, the
following steps are to be used (note that turning off the power
to the control system also disables the WRL limitations):
1. Select the Boom Up or Boom Down Limitation Menu
(3, Figure 4-108) Screen.
2. Use the Left Arrow and/or Right Arrow Function keys (4),
(Figure 4-62) to highlight the Switch Enable/Disable
Symbol (1, 4, Figure 4-110). Enable is “I” and Disable is
“O”.
3. Use the OK Button (5, Figure 4-62), or the Jog Dial
(5, Figure 4-63) to toggle to disable the limitation.
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