Hardy 1734-WS Installation & Operation Manual
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0: READ PARAM CMD
. To read a parameter, write a #0 to the CMD register (register #0), and
write the parameter number in the ParameterID register of the output table. The parameter
value may then be read from ParameterValue register in the input table. This value may be in
integer or floating point format, depending on the parameter. The status register in the reply
will contain the lower 16 bits of the system status word.
o
Status word bit 0: A/D error
o
Status word bit 6 (0x40): Motion status.
o
Status word bit 7 (0x80): Not Found - the requested parameter number does not
exist
1: ZERO CMD
. Write a 1 to the command register to ZERO the gross weight. The status
register will read 0 if this command succeeds.
o
Status Error code 1 (Fail)
o
Status Error code 2 (ADC Failure)
o
Status Error code 3 (out of tolerance)
o
Status Error code 4 (motion)
o
Status code FF (cmd in progress)
2: TARE CMD
. Write a 2 to the command register to ZERO the net weight. The status register
will read 0 if this command succeeds:
o
Status Error code 1 (Fail)
o
Status Error code 2 (ADC Failure)
o
Status Error code 4 (motion)
o
Status code FF (cmd in progress)
0x64 (100 decimal): CAL LOW CMD
. Write a 0x64 hex to the command register to perform
the low step of a traditional calibration. The status register will read 0 if this command
succeeds:
o
Status Error code 1 (Fail)
o
Status Error code 2 (ADC Failure)
o
Status Error code 4 (motion)
o
Status code FF (cmd in progress)
0x65 (101decimal): CAL HIGH CMD
. Write a 0x65 hex to the command register to perform
the high step of a traditional calibration.
o
Status Error code 1 (Fail)
o
Status Error code 2 (ADC Failure)
o
Status Error code 4 (motion)
o
HardcalFailCounts 8: not enough counts between hard cal hi and hard cal lo
o
Status code FF (cmd in progress)
0x66 (102 decimal): C2 CAL CMD
. Write a 0x66 hex to the command register to perform a C2
calibration.
o
Status Error code 1 (Fail)
o
Status Error code 2 (ADC Failure)
o
Status Error code 4 (motion)
o
Status Error code 5 (no C2 cells)
o
Status Error code 6 (C2 capacities not equal)
o
Status Error code 7 (Non Hardy C2 load sensor)
o
Status code FF (cmd in progress)