PR 5211 Instrument Manual ProfiBus Interface
Sartorius EN-61
6.1.5.7 Example: Read out of Gross Value
The Master writes a 8 to the 'Read_Value_Select' (Byte 4) of the input area.
Input area
The Master waits until an 8 in Read_Value_Selected (Byte 4) is reflected of the output area.
Output area
Still
ZSR
Zero
Zero
FSD
The gross value (hex:000004D2 <=> 1234) could be read out from Bytes 0...3. If the status-Bits Overload,
Test Active or Adu Error is set, the read out value is not valid.
Negative values are given in two's complement.
6.1.6 Parameter Read and Write via ProfiBus
6.1.6.1 Parameter Writing
The following is done subsequently:
Master Transmitter
Write parameter value in register 20
(method see chapter 6.1.5.2)
The value is stored intermediately
Write parameter index in register 21
(method see chapter 6.1.5.2)
The value is stored intermediately.
Set bit 123, set parameter
(method see chapter 6.1.5.3)
The parameter is taken over.
The bit is reset immediately
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