Replacing Parts - OHAUS VF Serie Manual De Instrucciones

VF Series Floor Scales

9. REPLACING PARTS

9.1 Replacing the Analogue PCB
1) Set scale up on edge.
2) Remove the analogue PCB:

Unscrew and remove the cover of the connection box.

Detach the connecting wires of the load cells and the connecting cables to the indicator.

Mark the cables for subsequent reconnection.

Detach the PCB from the retainer and remove it.
3) Reinstall the analogue PCB:

Connect the load cells to the analogue PCB by attaching the load cell connecting cable to the
corresponding terminal strip in accordance with the following table:
Terminal
EXC +
SIG +
SIG -
EXC -

Attach the connecting cable to the indicator in accordance with the following table:
Terminal
EXC +
SEN +
SIG +
SIG -
SEN -
EXC -
Note: The load cells are calibrated at the factory in such a way that adjustment of the corner load is
usually not required. If corrections are required in individual cases, adjustment can be carried out at the
potentiometer pairs 1, 2, 3 and 4.
State Colour
Supply + Green
Signal + White
Signal - Red
Supply - Black
State Colour
Supply + Grey
Control line + Yellow
Signal + White
Signal - Brown
Control line - Green
Supply - Blue
EN-7