3
1. Safety Precaution
Application environment
Make sure that this product works under the environment where is accord with the technical
specifications.
Do not open the shell before power-off.
Controller Protection
For avoiding bodily injury from electric shock accident and separating the controller from
strong interference, the metal shell of the controller should be grounded directly with the
ground resistance being
less than 4Ω.
Scale Frame Protection
For avoiding bodily injury from electric shock accident and separating the loadcells from
strong interference, the scale frame should be grounded directly with the ground resistance
being
less than 4Ω.
Cable Laying
Weighing signal, analog signal and communication signal cables should be laid in pipes, and
do not lay them together with power cables.
Power Supply
The power supply of the controller should be separated from the power supply of the driving
devices.
Please make sure that the inputted voltage is correct before power-on.
Environmental Protection
While being discarded as worthless, the product should be processed lawfully as leady
industrial waste for environment protection.
Other Notes
The installation, wiring and maintenance should be operated by the engineers with the
relevant professional knowledge and safety operation ability.
Although being not described in this manual, the relevant safety operating procedures and
standards should be followed.
