Commissioning
6.2 Application planning
SIWAREX WL200
Operating Instructions, 07/2016, A5E02199611B-03
29
Undesirable electrical currents can arise during welding or lightning. To protect the load
cells against such currents, bridge the load cells using highly flexible grounding cables, see
also Accessories (Page 98).
Transverse forces and overload protection
Overloading of load cells
If you connect more than one load cell to a scale, if the load distribution is uneven, it cannot
be established whether individual load cells are overloaded.
Damage to load cells through overloading
In the case of load cells with small rated loads, overload protection must be implemented to
protect the cells against damage.
If load cells are used beyond the maximum working load or the maximum lateral load, this
can cause irreparable errors and even fracturing of the load cell.
When mounting components are fitted, the load cells must not be overloaded, e.g. by
overtightening bolts.
Note
Error message on overload
If load cells are loaded beyond their rated load, this can result in an error message
in the
Overloading can occur as a result of:
● Uneven load distribution due to mounted components or cones of bulk material
● Rolling/pushing up the load on platform or roller table scales
● Forceful application of the load
● Application of the load in free fall
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