Services, Channel object (class id 31fh), Class attributes – Rockwell Automation 1440-VLF02-01RA XM-121 Absolute Shaft Module User Manual

Page 119: Channel object (class id 31f

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Publication GMSI10-UM014D-EN-P - May 2010

DeviceNet Objects 111

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.

Channel Object
(Class ID 31F

H

)

The Channel Object models "front-end" processing performed on an input
signal before specific measurements are performed. This processing typically
includes gain, filtering, and/or integration.

Class Attributes

The Channel Object provides no class attributes.

17

Get/Set

Speed Range Low

REAL

Indicates the lesser
threshold of the machine
speed range for which the
alarm is enabled (disabled
at lesser speeds).

CPM
(Must be less than Speed
Range High
)

18

Get/Set

Name

STRING2

A name to help identify
this alarm.

20

Get/Set

Inhibit Tach Fault

BOOL

Determines whether the
Tach Fault status is
prohibited during the
startup period.

0 = Tach Fault allowed
1 = Tach Fault inhibited

Table C.28 Alarm Object Instance Attributes

Attr ID

Access
Rule

Name Data

Type

Description

Semantics

Table C.29 Alarm 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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