9. Fieldbus interface | 9.2 - Scale protocol | 111
Field Size Function
Read data 4 bytes Data to be read as a binary 32-bit value with
plus or minus sign.
Data type: DINT
Read_Value_Selected 1 byte Acknowledgment of the transmitted function
number.
WriteActive 1 bit The function selected with Write_Value_Select
has been executed once.
This bit is deleted if Write_Value_Select is set
to 0.
PowerFail 1 bit Is set when switching on the device.
Is reset by ResPower with transition from 0→1.
CmdBusy 1 bit The device is busy executing a function (e.g.,
waiting for a standstill for taring)
CmdError 1 bit The device has interrupted the execution
of a command (e.g., standstill could not be
reached within the defined standstill time).
The error number can be read from "LASTER
ROR", see ChapterFunction number 4: adjust
ment information, error byte (read).
Tare_Active 1 bit The scale has been tared.
Cal_Changed 1 bit The device has been calibrated.
When this bit is 1, the weighing point para
meters (EXPO/UNIT/STEP+FSD) must be read
again.
Set after "Power on" and reset after reading
the FSD.
Test_Active 1 bit The device executes the ADC test. The read
weight value is not the gross value, but the test
value.
OutOfRange 1 bit Below zero or above Max (FSD).
Standstill 1 bit The scale is stable.
InsideZSR 1 bit The gross weight value is within the zero set
ting range.
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