Parameter object, Instance attributes, Continued) – Rockwell Automation 22-COMM-D DeviceNet Adapter User Manual

Page 117

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DeviceNet Objects

C-9

Instance Attributes

Parameter Object

(Continued)

Attribute
ID

Access
Rule

Name

Data Type Description

1

(1)

(1)

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

Parameter Value

(2)

(2)

Specified in descriptor, data type, and data size.

(3)

(3)

Value varies based on parameter instance.

2

Get

Link Path Size

USINT

0 = No link specified
n = Link specified

3

Get

Link Path

(4)

(4)

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

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

C3 = INT
C7 = UINT
D2 = WORD (16-bit)

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

0

10

Get

Minimum Value

(1)

(3)

11

Get

Maximum Value

(1)

(3)

12

Get

Default Value

(1)

(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)

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