R&M Materials Handling HOIST MONITORS - Manual (Page 44)

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Springfield, Ohio 45502
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8.2.3 Menus through CAN bus
With CAN bus the load display with large digits indicates the sum load of all units working in the CAN
bus. Even if the sum overload protection is not selected, the large digits show the sum load of all units.
The actual load values of single units are shown with small digits. The figure below gives an example of
the menu structure in the case of two units (A and B) communicating through the CAN bus.
1
When the power of the unit is switched on, the display indicates with the text if there exist an active warning (as in this example
figure), or an active service warning, or an active fault. If no warning, service warning or fault is active, the display indicates the
tared sum load after the power on (display number 4)
2
From the text display, pushing the up arrow key, the display moves to the load value of one unit (in this example unit B). If there
are several warnings, service warnings or faults, those are displayed one by one after pushing the arrow key
3
Single unit loads are indicated for every unit working in the CAN bus. Change from one single load display to the next one is
done with the arrow keys.
4
The sum load of the units is shown with large digits. When the yellow LED is illuminated the display shows the tared sum load.
Each unit makes the tare individually and thus each unit can have different tared sum load values.
5
When the yellow LED is not illuminated, the large digits indicate the actual sum load of all units.
The menu structure makes a circle and so with up key button it is possible to go back to the text mode display.
6
If the ENT key is pushed in one of the load display modes (display numbers 2, 3, 4 or 5), the display changes to the password
request menu. With the ESC key or incorrect password the display return to the load display.
7
When the correct password is given in menu 0-1, the next menu is for the unit selection. As default the actual unit where the
display is connected is given. Here it is possible to select some other unit connected with the CAN bus (unit B in this example).
After selecting the unit, the menu structure works similarly independently of the unit selection. The display makes no difference
if the value comes from the actual unit or through the CAN bus from another unit.