User Manual
Z-SG2 / Z-SG2-L
ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY
BE REPRODUCED WITHOUT PRIOR PERMISSION.
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Doc: MI-005370-EN
Rev. 1.0.0.2
Page 35
To bring the device in bootloader mode, follow the procedure below:
1)
Remove power from the device
2)
Keep the side button pressed
3)
Power the device keeping the side device pressed
4)
Wait a few seconds
5)
Release the side button
To exit bootloader mode and return to the normal device operation, just:
1)
Turn off the device
2)
Power the device without pressing the side button
LOAD CELL CALIBRATION WITH MODBUS REGISTERS
Sometimes it is not possible to use the Easy Setup software to calibrate the load cell, for example if a PLC or
an HMI is to be used.
It is possible to easily implement the calibration of a load cell by sending Modbus commands depending on the
type of operation chosen.
CALIBRATION PROCEDURE WITH AN EXTERNAL DEVICE (FACTORY CALIBRATION WITH
TARE ACQUIRED FROM THE FIELD)
1)
Place the tare on the load cell
2)
Wait for the measurement to stabilize
3)
Write the decimal value 49914 in the COMMAND REGISTER
4)
The device saves the new tare value in flash and resets the COMMAND REGISTER value
5)
The load cell is calibrated
CALIBRATION PROCEDURE WITH AN EXTERNAL DEVICE (FACTORY CALIBRATION WITH
MANUALLY INSERTED TARE)
1)
Write the tare value in technical units in the FACTORY MANUAL TARE registers
2)
Write the decimal value
50773
in the COMMAND REGISTER
3)
The device acquires the new flash tare value and resets the COMMAND REGISTER value
4)
The load cell is calibrated
CALIBRATION PROCEDURE WITH AN EXTERNAL DEVICE (CALIBRATION WITH SAMPLE
WEIGHT)
1)
Place the tare on the load cell
2)
Wait for the measurement to stabilize
