Class code 0x2a – ac drive object, C-20 – Rockwell Automation 1329I DeviceNet Option FRN 1.XXX User Manual

Page 82

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C-20

DeviceNet Objects

Class Code 0x2A – AC Drive
Object

Class Attributes

Instance 1 Attributes

Common Services

Attribute ID

Access Rule

Name

Data Type

Value

1

Get

Revision

UINT

1

2

Get

Max Instance

UINT

1

6

Get

Max ID Class

UINT

7

7

Get

Max ID Instance

UINT

29

Attribute
ID

Access
Rule

Name

Data
Type

Value

1

Get

Number of Attributes

USINT

20

2

Get

Attributes List

Array of
USINT

1, 2, 3, 4, 6, 7, 8, 9, 10, 16, 17, 18, 19, 20,
21, 22, 23, 27, 28, 29

3

Get

At Reference

BOOL

0 = Drive not running at speed reference
1 = Drive running at speed reference

4

Get/Set

Net Ref

BOOL

0 = TB or keypad speed ref
1 = Network speed ref

6

Get

Drive Mode

USINT

1 = Open loop speed (frequency)

7

Get

Speed Actual

INT

0 to 3600 RPM

8

Get

Speed Ref

INT

0 to 3600 RPM

9

Get

Current Actual

INT

0.1 Amp

(1)

10

Get

Current Limit

INT

0.1 Amp

(1)

16

Get

Input Voltage

INT

Volts (input line voltage)

(1)

17

Get

Output Voltage

INT

Volts

(1)

18

Get/Set

Accel Time

UINT

500 to 45000

(2)

19

Get/Set

Decel Time

UINT

500 to 45000

(2)

20

Get/Set

Low Speed Limit

UINT

0 to 1800 RPM

21

Get/Set

High Speed Limit

UINT

1500 to 3600 RPM

22

Get

Speed Scale

SINT

0

23

Get

Current Scale

SINT

0

27

Get

Voltage Scale

SINT

0

28

Get

Time Scale

SINT

-1

29

Get

Ref From Net

BOOL

0 = TB or keypad speed ref
1 = Network speed ref

(1)

Value varies based on drive rating and operating conditions.

(2)

This value is converted to milliseconds using the following formula: value x 2 = milliseconds. For example, a

value of 45000 equals 90.000 seconds.

Service Code

Implemented for

Service Name

Class

Instance

0x0E

Yes

Yes

Get_Attribute_Single

0x10

No

Yes

Set_Attribute_Single

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