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Alarm object, Alarm object 71, Table 3.27—alarm class and services 71 – Watlow Series D8 User Manual

Page 89: Table 3.28—alarm class attributes (instance 0) 71

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Series D8 User’s Guide

Chapter 3: Communicating by DeviceNet

Doc. 0600-3120-2000

Watlow Anafaze

71

NOTE!

All successful explicit message responses
from a Set service will contain no data. The
response will be a two-byte message con-
taining the requester’s node address and
service code (with R/R bit set).

Alarm Object

The Alarm Object provides read/write access to all alarm pa-

rameters. Instance 0 of this object contains the class attributes

listed in Table 3.28. The four-loop controller has four addi-

tional instances, and the eight-loop controller has eight addi-

tional instances, each containing the attributes listed in

Table 3.29. Instance 1 corresponds to loop 1, instance 2 cor-

responds to loop 2, and so on.

Table 3.27 Alarm Class and Services

Table 3.28 Alarm Class Attributes (Instance 0)

Table 3.29 Alarm Instance Attributes

(Instances 1 to 4 or 8)

109 (6D hex)

Get/Set

Cool Filter

USINT

See page 137.

110 (6E hex)

Get/Set

Hysteresis

UINT

See page 138.

111 (6F hex)

Get/Set

Restore Automatic Mode

USINT

See page 138.

112 (70 hex)

Get/Set

Mode

USINT

See page 122.

Class Code

67 hex

Class Services

0E hex Get Attribute Single

Instance Services

0E hex Get Attribute Single
10 hex Set Attribute Single

Attribute

Access

Name

Type

Description

1 (1 hex)

Get

Revision

UINT

Revision of this object

2 (2 hex)

Get

Max Instance

UINT

Maximum instances of this object (8)

3 (3 hex)

Get

Number of Instances UINT

Number of object instances

Attribute

Access

Name

Type

Description

100 (64 hex)

Get/Set

Alarm High Set Point

INT

See page 143.

101 (65 hex)

Get/Set

Alarm Low Set Point

INT

See page 146.

102 (66 hex)

Get/Set

High Deviation Value

UINT

See page 145.

103 (67 hex)

Get/Set

Low Deviation Value

UINT

See page 145.

Attribute

Access

Name

Type

Description