4…20 ma output object (class id 32ah), Class attributes, Instances – Rockwell Automation 1440-SDM02-01RA XM-124 Standard Dynamic Measurement Module Manuel d'utilisation

Page 157: Instance attributes, Services, Instance attributes services

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Rockwell Automation Publication 1440-UM001C-EN-P - May 2014

157

CIP Objects

Appendix B

4…20 mA Output
Object (Class ID 32A

H

)

The 4…20 mA Output Object models the configuration of a 4…20 mA output
signal.

Class Attributes

The 4…20 mA Output Object provides no class attributes.

Instances

There are two instances of this object.

Instance Attributes

Services

1

Attributes can only be set while the device is in Program mode. See the description of the Device Mode Object for more information.

Table 85 - 4…20 mA Output Object Instance Attributes

Attr ID

Access Rule

Name Data

Type

Description

Semantics

3

Get/Set

Value

REAL

The current output value.

mA

4

Get/Set

Enable

BOOL

Indicates whether this 4…20 mA
output is enabled.

0 = Disabled
1 = Enabled

5

Get/Set

Max Range

REAL

The measured value associated
with 20 mA.

6

Get/Set

Min Range

REAL

The measured value associated
with 4 mA.

7

Get/Set

Measurement
Identifier Path

EPATH

Identifies the class, instance, and
attribute of a measurement value
that this 4…20 mA output is
tracking.

See Parameter Object Instances 7 and 8.

See DeviceNet Specification Volume 1
Appendix I.

Table 86 - 4…20 mA Output Object Services

Service Code

Class/Instance Usage

Name

Description

0E

h

Instance

Get_Attribute_Single

Returns a single attribute.

10

h

Instance

Set_Attribute_Single

Sets a single attribute.

1

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