Operating instructions

6.4. Object and Data Types Supported
6.4.1. Parameter and Data Type Structure Description
6.4.2. Parameter Description
PROFIBUS DP has a number of describing attributes. Read/write on parameter description is per-
formed in the PCV part using the RC commands 4/5 and the sub-index of the desired description
element.
6.4.3. Size Attribute
The size index and the conversion index for each parameter can be taken from the parameter list
in the respective Operating Instructions.
Physical unit
Size in-
dex
Measuring unit Designation Conversion
index
Conversion factor
0 No dimension
Time 4
second s 0 1
-1 0.1
-2 0.01
millisecond ms -3 0.001
minute min 70 60
hour h 74 3600
day d 77 86400
Energy 8
watthour Wh 0 1
kilowatthour kWh 3 1000
megawatthour MWh 6
10
6
Power 9
milliwatt mW -3 0.001
watt W 0 1
kilowatt kW 3 1000
megawatt MW 6
10
6
Rotation 11 rotation per mi-
nute
RPM 67 1
Torque 16
newtonmeter Nm 0 1
kilonewtonmeter kNm 3 1000
Temperature 17 degree Celsius ºC 0 1
Voltage 21
millivolt mV -3 0.001
volt V 0 1
kilovolt kV 3 1000
Current 22
milliampere mA -3 0.001
ampere A 0 1
kiloampere kA 3 1000
Resistance 23
milliohm mOhm -3 0.001
ohm Ohm 0 1
kiloohm kOhm 3 1000
Ratio 24 per cent % 0 1
Relative
change
27 per cent % 0 1
Frequency 28
hertz Hz 0 1
kilohertz kHz 3 1000
megahertz MHz 6
10
6
gigahertz GHz 9
10
9
6. Parameters VLT
®
Profibus
80 MG.33.C4.02 - VLT
®
is a registered Danfoss trademark
6