Instance attributes – Rockwell Automation 20-COMM-D DeviceNet Adapter Series B FRN 2.xxx User Manual

Page 200

Advertising
background image

C-6

DeviceNet Objects

20-COMM-D DeviceNet Adapter User Manual

Publication 20COMM-UM002G-EN-P

Instance Attributes

Attribute ID Access Rule Name

Data Type

Description

1

(1)

Parameter Value

(2)

(3)

2

Get

Link Path Size

USINT

0 = No link specified

n = The size of Attribute 3 in bytes

3

Get

Link Path

(4)

4

Get

Descriptor

WORD

0 = False, 1 = True

Bit 1 = Supports ENUMs

Bit 2 = Supports scaling

Bit 3 = Supports scaling links

Bit 4 = Read only

Bit 5 = Monitor

Bit 6 = Extended precision scaling

5

Get

Data Type

USINT

1 = WORD (16-bit)

2 = UINT (16-bit)

3 = INT (16-bit)

5 = SINT

6 = DINT

8 = USINT

9 = UDINT

11 = REAL

23 = SHORT_STRING

24 = BYTE

25 = DWORD

6

Get

Data Size

USINT

(3)

7

Get

Parameter Name String

SHORT_STRING

(3)

8

Get

Units String

SHORT_STRING

(3)

9

Get

Help String

SHORT_STRING

Null string

10

Get

Minimum Value

(2)

(3)

11

Get

Maximum Value

(2)

(3)

12

Get

Default Value

(2)

(3)

13

Get

Scaling Multiplier

UINT

(3)

14

Get

Scaling Divisor

UINT

(3)

15

Get

Scaling Base

UINT

(3)

16

Get

Scaling Offset

UINT

(3)

17

Get

Multiplier Link

UINT

(3)

18

Get

Divisor Link

UINT

(3)

19

Get

Base Link

UINT

(3)

20

Get

Offset Link

UINT

(3)

21

Get

Decimal Precision

USINT

(3)

(1)

Access rule is defined in Bit 4 of instance attribute 4 (0 = Get/Set, 1 = Get).

(2)

Specified in descriptor, data type, and data size.

(3)

Value varies based on parameter instance.

(4)

Refer to the DeviceNet specification for a description of the link path.

Advertising