Vacon 100 - Page 47

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6
Instance Service “Get_Attribute_Single”
This class has an instance service named “Get_Attribute_Single” which has the Service Code 0E
h.
The service is used to get the value of an instance attribute.
The format of the message is as follows
Instance Service “Set_Attribute_Single”
This class has an instance service named “Set_Attribute_Single” which has the Service Code 10
h.
The service is used to set the value of an instance attribute.
The format of the message is as follows:
Link to AC/DC Drive Object “DriveMode” attribute
The Motor Control Mode Object is linked to the “DriveMode” attribute of the AC/DC Drive Object so,
that changes in one affects the values in the other.
In the Vacon 100 drive, when the following values are set to the AC/DC Drive Object “DriveMode”
attribute, the Motor Control Mode Object attributes shall be set to the following values:
Table 38.
ControlMode Value Allowed FeedbackMode Description
0 0 Frequency Open Loop
1 0 Speed Open Loop
2 0 Torque Open Loop
Table 39.
Field Data
Service Code 0E
h
Class code BE
h
Instance umber 01
h
Attribute ID 01
h
or 02
h
Table 40.
Field Data
Service Code 10
h
Class Code BE
h
Instance Numeber 01
h
Attribute ID 01
h
or 02
h
Attribute Data (Mode number)
Table 41.
Set DriveMode ControlMode Value FeedbackMode Value
1
d
(Open Loop speed/frequency) 1
d
(Speed control) 0
d
(Open Loop)
3
d
(Torque control) 2
d
(Torque control) 0
d
(Open Loop)