DeviceNet Option User's Manual

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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.
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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
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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
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46 Drive on Hours DINT Get
Number of hours
Units: h
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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.
3.8.4. AC/DC Drive Object Specific Services
The AC/DC Drive Object provides no object specific services.