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RATED CAPACITY LIMITER
OPERATOR MANUAL NBT60XL
7-4
Published 11-01-2020 Control # 710-00
The RCL display (Figure 7-2) shows available button
functions based on the current screen and the current
system status. An icon showing the available functions for
each button appears above each button.
Buttons 1- 4 can be used to select/confirm a highlighted item,
go back/escape, return to operating screen, or go to a
specific menu or function.
The Directional button is used to highlight and select
applicable choices and navigate to multiple screens. Use the
directional button to highlight the desired function, then
confirm selection by pressing button #1.
Main Menu Function Keys
The
Main Menu
screen has
function keys
(1, Figure 7-2) that
are used to highlight and select the functions shown on the
display screen. Table 7-2 describes the RCL function keys.
NOTE:
On start up of the RCL, the Manitowoc splash
screen and the National Crane logo screen
appears for a few seconds each before the Main
Menu Screen appears (Figure 7-2).
NOTE:
If the crane is powered up after sitting idle within a
2 hour time period, the Configuration Confirmation
Screen 9 (page 7-12) appears first.
NOTE:
If one of the RCL sensors have not been calibrated,
then the sensor calibration menu is displayed.
About RCL Symbols
Table 7-3 shows the RCL alert and limit symbols. The right
side of the operating screen displays active alert and/or limit
symbols. Only those limits that are set are displayed. If there
is a violation of a set limit, the symbol flashes. In normal
operation with no limits set and no alerts active, this portion
of the screen is blank.
The warning cluster on the following sample screen shows
all alert and limit symbols for illustration purposes only.
RCL Operating Mode Screen (Sample)
Diagnostic
— Highlight and press the Select
function key #3 (Figure 7-2) to access the RCL
diagnostic menu, see page 7-20. This menu
includes Machine Information and Warnings,
Crane Electrical Fault Monitoring, Hour Meter,
Load Chart Part Number, Calibration Chart
Part Number and Module Input/Output
screens with Software Versions and Real-Time
Sensor information. For more information, see
“Diagnostics” on page 7-20.
Table 7-2 RCL Function Keys
Icon
Description
Return to Operating Mode Screen button,
For more information, see “Accessing
Operating Mode Screen” on page 7-13.
This key is displayed only if the RCL has
been through configuration and set-up.
The Directional button is used to highlight
and select applicable choices and navigate
to multiple screens.
For more choices, press the right arrow
function key.
To go back to the previous choices, press
the left arrow function key. The Back
function returns to the previous screen
without saving inputs.
and
The up and down arrow functions are used
to increment or decrement through inputs
or screen selections.
The Select function key confirms the
choice that is highlighted.
Table 7-1 Main Menu Options (Continued)
Icon
Description
The Back button goes back one selection
during the RCL setup.
The Escape function returns to the
previous screen without saving inputs.
Table 7-3 RCL Screen Symbols
Icon
Description
RCL Capacity Warning
— Continuous visual
and audible warning that an overload condition
is approaching. The operator can continue with
extreme caution.
Table 7-2 RCL Function Keys (Continued)
Icon
Description
9681
FIGURE 7-3
Fo
r
Reference
Only