Danfoss VLT MCA 121 EtherNet/IP

Service Code Supported Service Name Description of Service
Class Instance
01h Yes Yes Get_Attribute_All Returns a predefined listing of this objects attributes
0Eh Yes Yes Get_Attribute_Single Returns the contents of the specified attribute.
10h - Yes Set_Attribute_Single Modifies a single attribute.
43h - Yes Get_and_Clear Gets then clears the specified attribute (Interface Coun-
ters or Media Counters).
Table 8.12: Services supported
Class ID 0x0F Parameter Object
Attribute
Access Rule Name Data Type Description of Attribute Contents
1 Get Revision UINT revision of object 01
2 Get Max Instance UINT max instance number variable
3 Get Number of instances UINT amount of instances variable
8 Get Parameter Class Descriptor WORD Parameter description 0x03
9 Get Configuration Assembly Instance UINT instance number of the configuration assembly 0
10 Get/Set Native Language USINT Language ID for all character array accesses variable
Table 8.13: Class attributes
Attrib-
ute
Access
Rule
Name Data type Description Value
1 Set/Get Parameter Value data type described in Attr. 5 actual value of parameter Value of parameter from
drive
2 Get Link path size USINT Size of link path variable
3 Get Link path ARRAY: CIP path of parameter’s origin variable
Segment type/port BYTE
Segment Address path
4 Get Descriptor WORD Description of parameter See Standard
5 Get Data Type EPATH Data type code -
6 Get Data size USINT Number of bytes in parameter value variable
7 Get Parameter name string SHORT STRING human readable text string representing
parameter name
Parameter Attribute From
drive
8 Get Units string SHORT STRING human readable text string representing
parameter unit
Parameter Attribute From
drive
9 Get Help String SHORT STRING human readable text string representing
short online help.
Parameter Attribute From
drive
10 Get min value data type described in Attr. 5 Generic min valid value Parameter Attribute From
drive
11 Get max value data type described in Attr. 5 Generic max valid value Parameter Attribute From
drive
12 Get default value data type described in Attr. 5 Generic parameter’s default value Parameter Attribute From
drive
13 Get Scaling multiplier UINT multiplier for scaling factor 1
14 Get Scaling divisor UINT divisor for scaling factor 1
15 Get Scaling base UINT base for scaling formula 0
16 Get Scaling offset INT offset for scaling formula 0
17 Get Multiplier link UINT parameter instance of multiplier source 0
18 Get divisor link UINT parameter instance of divisor source 0
19 Get base link UINT parameter instance of base source 0
20 Get offset link UINT parameter instance of offset source 0
21 Get decimal precision USINT specifies parameter value format variable
Table 8.14: Instance attributes
8 Appendix MCA 121 EtherNet/IP
56 MG.90.J2.02 - VLT
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