Variable Function
Test_Active The device executes the ADC test. The read weight value is not the gross value, but
the test value.
Out Below zero or above Max (FSD).
Standstill The scale is stable.
InsideZSR The weight value is within the zero setting range.
CenterZero The weight value is within center zero (0 ±0.25 d).
BelowZero The weight value is negative (gross < -0.25 d).
Overload The weight value has exceeded the measuring range. No valid weight data is speci-
ed (gross > FSD+overload).
AboveMax The weight value has exceeded the Max (FSD), but is still within Max + permissible
overload (gross ≤ FSD + overload).
AdcError AD conversion error (details are given in register 1, Read_Value_Select = 1).
12.2.4.3 Reading and writing register via eldbus
Read data: Read_Value, Read_Value_Select, Read_Value_Selected
When the master has to read from the device, the register number is transmitted to
Read_Value_Select in the input area. The result is specied with Read_Value_Selected
in the output area.
Action of the master Reaction of the PR 5220
Write register no. to
Read_Value_Select.
Write the selected register to
Read_Value.
Copy Read_Value_Select to
Read_Value_Selected.
Wait until Read_Value_Selected =
Read_Value_Select.
Read Read_Value.
Write data: Write_Value, Write_Value_Select, Write_Active
When the master has to write to the device, the required action is transmitted to the input
area with Write_Value_Select together with the data. Execution is indicated by the
Write_Active bit in the output area.
Action of the master Reaction of the PR 5220
Write value to Write_Value.
Write register number to
Write_Value_Select.
Write Write_Value to the selected re-
gister.
Transmitter Series PR 5220 12 Fieldbus interface
Minebea Intec EN-194
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