E6581281 f
- 35 -3.8.2. AC/DC Drive Object Instance Attributes
Attribute
ID Name Data
Type
A
ccess
Rules Description Default
Value
1 Number of Attributes USINT Get Number of Attributes supported 16
2 Attribute List USINT
(ARRAY) Get List of Attributes supported -
3 At Reference BOOL Get 1 = Drive actual at reference (speed or
torque reference) based on mode -
4 Net Reference BOOL Get/Set
Requests torque or speed reference to
be local or from network.
0 = Set Reference not DN Control
1 = Set Reference at DN Control
Note that the actual status of torque or
speed reference is reflected in atrribute
29, RefFromNet.
-
6 Drive Mode USINT Get
0 = Vendor specific mode
1 = Open loop speed (Frequency)
2 = Closed loop speed control
3 = Torque control
4 = Process control (e.g. PI)
5 = Position control
-
7 Speed Actual INT Get Actual drive speed (best approximation)
Units: min-1 -
8 Speed Reference INT Get/Set Speed reference
Units: min-1 -
9 Current Actual INT Get Actual motor phase current
Units: 100mA -
10 Current Limit INT Get/Set Motor phase current limit
Units: 100mA -
11 Torque Actual INT Get Actual torque
Units: Nm -
15 Power Actual INT Get Torque reference
Units: Nm -
18 Accel Time UINT Get/Set
Acceleration time
Time from 0 to High Speed Limit
Units: ms
-
19 Decel Time UINT Get/Set
Acceleration time
Time from 0 to High Speed Limit
Units: ms
-
20 Low Speed Limit UINT Get/Set Minimum speed limit
Units: min-1
21 High Speed Limit UINT Get/Set Maximum speed limit
Units: min-1 -
26 Power Scale SINT Get Power scaling factor.
29 Ref From Net BOOL Get
Status of torque/speed reference
0 = Local torque/speed reference
1 = DeviceNet torque/speed reference
-
46 Drive on Hours DINT Get Number of hours
Units: h -
3.8.3. AC/DC Drive Object Common Services
Supported
Service
Code Service Name Class Instance Description of Service
0x0E Get_Attribute_Single Yes Yes Returns the contents of the specified attribute.
0x10 Set_Attribute_Single N/A Yes Modifies the value of the specified attribute.