Variable Function
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 5230
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 5230
Write value to Write_Value.
Write register number to
Write_Value_Select.
Write Write_Value to the selected re-
gister.
Set the Write_Active bit.
Wait until Write_Active has been set.
Write 0 to Write_Value_Select.
Reset the Write_Active bit.
Set the bit: Action_Select, Write_Active
Single bits can be set or reset directly with Write_Value_Select.
For setting, the bit number (80127) is written to Write_Value_Select.
12 Fieldbus interface Transmitter in eld housing PR 5230
EN-261 Minebea Intec
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