Baumer
Functions
|
7
V3 | DAB10, DST53, DST76
Operating Manual
23
7.1
Process data
In the
Process Data
register the process value as well as the individual status bits are pre-
sented.
7.1.1
Process value Process Data In (PDI)
This is where the cyclical process value is presented. Via
Parameter
|
MDC Selection Source
you select what should be presented here via the IO-Link communication (cyclic). The following
options are available:
n
Process value
n
Min. process value
n
Max. process value
n
Peak peak process value (delta between min. and max. process value)
n
Sample and hold process value
n
Sample and hold process value (delta)
INFO
The cyclic process value is always transmitted as Int32. For simplification, all process value-re-
lated acyclic parameters/values are therefore also transferred as Int32. The scaling exponent -5
is mapped in the IODD, but not applied by all masters. Thus, depending on the master, the rep-
resentation is done as Int32 or as Int32 scaled with 10
-5
.
The process value is transferred to the unit that was parameterized in the input scaling (N, μm/
m, kg, t). Independent of the unit, the process value is always presented with the identical expo-
nent:
n
MDC Descriptor.Scale Exponent
=
-5
This way, process values of up to ±20000 can be transferred. Each process value that can be
displayed in the amplifier is double the set nominal measurement range of the sensor:
n
2 × parameter
Nominal Process Value
With very small nominal values, the resolution is increasingly reduced. However, in such cases
another value can be selected that is better suited for the fixed exponent (e.g. 100 N instead of
0.1 kN).
Nominal value
Resolution
Display range
as value
in %FS
in bits
0.01
0.0001
0.1 %
10.0
-0.0200 ... 0.0200
0.1
0.0001
0.01 %
13.3
-0.20000 ... 0.20000
1.0
0.0001
0.001 %
16.6
-2.00000 ... 2.00000
10
0.0001
0.0001 %
19.9
-20.00000 ... 20.00000
...
...
...
...
...
10000
0.0001
-20000.00000 ... 20000.00000