7
vacon • 52 Common Industrial Objects implemented by vacon® 100 family
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Instance Attribute “TorqueScale”
The TorqueActual and TorqueRef values are scaled according to the value of this attribute. The
default value is 0
d
.
The largest allowed value for this attribute in the VACON® 100 Family AC drives is 7 (allowing
resolution of 0.0078 Nm) and the minimum allowed value is -8 (allowing resolution of 256 Nm). The
maximum torque value for input/output is thus ca 8.4 MNm.
Instance Attribute “RefFromNet”
This attribute reveals whether the torque or speed reference is local or from the network. If the
reference is local, the value of the attribute is 0. If the reference is from the network, then the value
of the attribute is 1.
7.3 Vendor Specific Objects
7.3.1 Vendor Parameters Object, Class 0xA0
The Vendor Parameters Object is a vendor-specific object which allows the user to access any
application parameter from the drive.
7.3.1.1
Instance Attributes
Instance Attribute “Parameter Value”
If you want to read the value of a drive parameter, for example ,“Motor control mode” ID600
d
, set the
instance attribute to value 600
d
and the instance number to 1 to the request. The data type of the
parameter value can be 8, 16 or 32 bits.
Table 36. Vendor parameter object
Class name Vendor parameter object
Class identifier
160
d
/ A0
h
Class
Attributes
Id Access rule Name Datatype Description
-- - - -
Class Ser-
vices
Id Name Description
-- -
Instance
Attributes
Id Access rule Name Datatype Description
XX Get/Set
Parameter
Value
UINT Parameter Value
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.