Danfoss VLT MCA 121 EtherNet/IP

Service Code Supported Service Name Description of Service
Class Instance
0Eh Yes Yes Get_Attribute_Single returns contents of specified attribute
01h Yes Yes Get_Attributes_All returns predefined listing of object attributes
10h No Yes Set_Attribute_Single modifies attribute
4Bh No Yes Get_Enum_String reads enumerated strings from parameter instance
Table 8.15: Services supported
Class ID 0x10 Parameter Group Object
Attribute
Access
Rule
Name Data Type Description Contents
1 Get Group Name String SHORT_STRING represents group name Name of Group from Drive
2 Get Number of group members UINT amount of parameters in group value of n
3 Get 1st group parameter (000-099) UINT instance number of Parameter Object variable
4 Get 2nd group parameter (100-199) UINT instance number of Parameter Object variable
… Get … UINT … variable
n+2 Get nth group parameter UINT instance number of Parameter Object variable
Table 8.16: Instance Attributes
Class ID 0x64 – 0xC7 Danfoss Objects
The CIP Class ID 100 to 199 (0x64 to 0xC7) gives access to all drive parameters.
Class (decimal)
Danfoss Parameter range
100 0-01 - 0-99
101 1-00 – 1-99
102 2-00 – 2-99
103 3-00 – 3-99
104 4-00 – 4-99
105 5-00 – 5-99
106 6-00 – 6-99
107 7-00 – 7-99
108 8-00 – 8-99
109 9-00 – 9-99
110 10-00 – 10-99
111 11-00 – 11-99
……
199 99-00 – 99-99
The class Instance and Attribute acts in the following way:
- 100 added to the parameter group = the value for the class.
- 100 added to the remaining parameter number = the value for the instance.
- 100 added to the array index of the parameter = the value for the attribute
Examples: (fictitious parameters)
- Parameter 0-01 [index 0] = Class 100; Instance 101; Attribute 100
- Parameter 1-00 [index 0] = Class 101; Instance 100; Attribute 100 - Parameter 2-59[index 0] = Class 102; Instance 159; Attribute 100
- Parameter 5-34[index 3] = Class 105; Instance 134; Attribute 103
- Parameter 6-54 [index 9] = Class 106; Instance 154; Attribute 109
- Parameter 10-01 [index 0] = Class 110; Instance 101; Attribute 100
All values in decimal.
All parameters are accessed in the Active setup (par. 0-10
Active Set-up )
MCA 121 EtherNet/IP 8 Appendix
MG.90.J2.02 - VLT
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