Vacon 100 - Vendor Specific Objects

6
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Instance Attribute “TorqueScale”
The data type of this attribute is SINT (8-bit). The Attribute Identifier of this attribute is 24
d
. This at-
tribute allows reading and writing of the torque scaling factor. 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 drive is 7 (allowing resolution of 0.0078
Nm) and the minimum allowed value is -8 (allowing resolution of 256 Nm). The maximum torque
value that can be input/output to the Vacon 100 drive is thus ca 8.4 MNm.
Instance Attribute “RefFromNet”
The data type of this attribute is BOOL. The Attribute Identifier of this attribute is 29
d
. This attribute
reveals whether the torque or speed reference is local or from the network. If the reference is local,
then the value of the attribute shall be 0. If the reference is from the network, then the value of the
attribute is 1.
6.2.3 Vendor Specific Objects
6.2.3.1 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.
Instance Attribute “Parameter Value”
This class has an instance attribute which is named “Parameter Value” and has the Attribute
Identifier 01
h
.
In Vacon 100 Drive option board the attribute ID is 8 bits in length. When accessing a drive
parameter, the drive parameter ID high octet is the instance ID of this class, while the low octet is
the attribute ID which is specified. The data type of the parameter value can be 8, 16 or 32 bits.
Table 25.
Class Name Vendor Parameters Object
Class Identifier A0
h
Class Attributes Id Name Data Type Access Rule
- - - -
Class Services Id Name
- -
Instance Attributes Id Name Data Type Access Rule
XX
h
Parameter Value Read-write
Instance Services Id Name
0E
h
Get_Attribute_Single
10
h
Set_Attribute_Single
Table 26.
Drive prm ID high octet Drive prm ID low octet
Instance # Attribute #