Vacon optea - Page 175

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9
9.2.2.3.1. INSTANCE ATTRIBUTES
Instance Attribute “ControlMode”
This attribute is used to detect or change the used motor control mode. The values allowed for this
attribute are listed in the following table.
Instance Attribute “FeedbackMode”
This attribute is used to detect or change the used feedback mode. The values allowed for this
attribute are listed in the following table.
After you have changed the feedback mode, you need to set the control mode, too. Only after that,
the new feedback mode value is activated.
ControlMode and FeedbackMode combinations
ControlMode and FeedbackMode combinations depends on used drive and application. Check the
actual mode support from the AC drive’s application manual.
9.2.2.3.2. SERVICES
Instance Service “Get_Attribute_Single”
The service is used to get the value of an instance attribute.
The format of the message is as follows.
Instance
Services
Id Name Description
14
d
0E
h
Get_Attribute_Single Used to read single attribute value.
16
d
10
h
Set_Attribute_Single Used to write a single attribute value.
Table 146. Motor Control Mode Values
Value Description
0
d
Frequency control
1
d
Speed control
2
d
Torque control
Table 147. Motor Feedback Mode Values
Value Description
0
d
Open Loop
1
d
Closed Loop
Table 148.
Field Data
Service Code
0E
h
Class Code
BE
h
Instance Number
01
h
Attribute ID
01
h
or 02
h
Table 145. Motor Control Mode Object