Profibus Logger Protocol - Delphin Expert Logger Manual

Expert Logger
Scaling
If a PROFIBUS master sends values that require conversion, enable
ing
and enter
Scale value .
If the
opposite direction: Enter the range from the source data in
and the range for the output signal in
Scaling example
In the above image, a conversion takes place from 2 000 (integer value) to
200 (°C), i.e. it returns a decimal point despite transmission of an integer
(whole number).
Using the channel as output
If you create a PROFIBUS channel as an output, you can send data from
Delphin
the
Enter the data for the message to be sent in a similar way to a PROFIBUS
input. You must also enter the
Enter either a constant for the
and an existing channel in the device for which a value is to be output.
Selecting
DataService Configurator or automatically set via a
ation. The source type is converted to the type given in
also to
Inherit status
is used, but not output to the PROFIBUS itself.
4.12.4.3 PROFIBUS logger protocol
Create the PROFIBUS logger protocol channel via the context menu of the
COM connection:
Expert Logger Manual
Januar 2018
Min / Max
Use channel as output
Without scaling, the channel's data type is that entered under
Data type. When scaling is enabled, the floating data type is
always used for the channel.
This also applies when the channel is used as an output: When
scaling is enabled, the channel must have the floating data type,
otherwise you have to use the type under Data type.
device to other PROFIBUS users.
Application
enables the output value to be manually set via the
Scaling
).
Channel
(for
You must run the COM connection in the
ger
interface mode and set the PROFIBUS baud rate
COM connection
(see
Create channel
values to convert from the
option is used, scaling takes place in the
Output value
Source
(of the signal).
Source Manual value
(
settings only): The status of the input channel
).
→
PROFIBUS logger protocol
211
Scal-
Input value
to the
Scale
value
.
Channel
) or select
ProfiSignal
applic-
Data type
(refer
PROFIBUS log-
.
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