5.7 Operation
For the Prowirl 77 measuring system, various instrument functions are available
which, as required, can be individually set and adapted to process conditions by a
Class II master, e.g. E+H Commuwin II operating program.
Note!
An overview of all factory settings and available functions can be found on page 29 ff.
Prowirl 77 can be operated using a DP master Class II. When using the E+H
“Commuwin II” operating program, the most important device parameters are repre-
sented in an E+H matrix. This matrix will be explained in chapter 6.
Selection between profile configuration and device specific configuration using
Commuwin II:
• The E+H device operation is selected by clicking the device description,
e.g. Prowirl 77.
• The profile operation is selected by clicking the corresponding tag,
e.g. AI: Flow Rate Block = Prowirl 77 Analog Input Block.
The device address and the application (“LIQUID” or “GAS/STEAM”) can be
programmed either by using an operating program or locally with DIP switches
(see page 18). The position of DIP switches No. 8 and 10 determines if these
parameters are defined via bus or locally.
Selection of
device operation
(E+H matrix)
Selection of
profile operation
Note!
Prowirl 77 PROFIBUS-PA 5 Communication
Endress+Hauser 27
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