The word junction means connection (link) and junction box means connection (link) box. The task of the junction box is to connect 4, 8 or 12 outputs together by impedance parallelization technique and changes into an identical output after homogenization load cells output resistance. The most important result of this task is to equalize the weight distributed on each leg and it so-called goes to a corner and all the legs of the weighbridge become accurate.
Types of Junction Boxes:
- Digital junction box: Having a processor in the main range, this piece of equipment converts analogue to digital signals. The main advantage of this piece of equipment is the more accurate control on each of bases and in addition, we will have more durability in bases adjustment. However, this capability changes the digital junction box into a more vulnerable and sensitive device.
- Analog junction box: This junction box performs load cells’ resistance equalization operations with the help of its own variable resistances. Change in resistance and balance of bases can be made by the variable resistance, which is placed separately per base. Of course, due to lack of high quality and accurate variable resistance, load cells’ output was adjusted in case of need along with the resistances replacement in the past.