Promag 53 PROFIBUS-DP/-PA 6 Commissioning
Endress+Hauser 105
3rd step: PROFIBUS protocol chip
The cyclic data telegram is transferred to the protocol chip and, following an inquiry
from the master, is sent to the master in accordance with the data transfer rate.
ms
5 15 25 35 45 55 65 75 85 95 105 115 125 135 145 155 165 175 185 195 205 215
10
0
20 30 40 50 60 70 80 90 100 110 120 130 140 150
160
170 180 190 200 210
9.8 9.8 9.8 9.8 9.8 10.0 10.0 10.0 10.0 10.0 10.2 10.2 10.2 10.2 10.2 10.5 10.5 10.5 10.5 10.5
Promag H
DN 25, 50 Hz
Scanning intervall < 40 ms
2 activated blocks
AI block calculation / Totalizer block calculation: 53 ms per block
Example for the timing of the block calculation and the signal processing
Total processing time
for one function block
Total processing time
for two function blocks
Block calculation
Signal processing
Volume flow
Totalizer
Volume flow
Totalizer
Signal processing
Function block calculation
Measuring value transmission
to the automation control system
New measuring
value
New measuring
value
New measuring
value
same value same valuesame value New measuring
value
same value
F06-5xHPBxxx-02-xx-xx-en-000
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