Flintec FAD-30 - Manual (Page 29)

FAD-30 Technical Manual, Rev. 1.06 December 2012 Page 29 of 48
Calibration Status
Bit no.
T_DW2 descriptions when read command is ‘Calibration Status’.
Refer to PLC Output to FAD-30CO Input R_DW3
D31…D16 Not in use
D15…D8
Calibration
error
0000 0001 Calibration timeout: - Restart calibration
0000 0010 ADC error: - Re-energize the instrument
0000 0011
Instrument cannot be calibrated
- Check load cell cable
- Re-energize the instrument
0010 0010
Instrument cannot be calibrated:
- Load cell signal is very low or too high
0010 0011
Calibration Error
- Calibration test weight is too small; - Increase calibration
weight value (Write test weight value from PLC Output to FAD-
30CO Input R_DW2 then restart the calibration)
- Check load cell connections
0010 0101
Scale unstable
- Wait until scale becomes stable
- Check ground wiring
D7…D0
Calibration
process
status
0000 0001 System ready for calibration
0000 0011 Zero calibration in process
0000 0100 Span calibration in process
0000 1001 Error (Calibration error)