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

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
110 (6E hex)
Get/Set
Hysteresis
UINT
111 (6F hex)
Get/Set
Restore Automatic Mode
USINT
112 (70 hex)
Get/Set
Mode
USINT
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
101 (65 hex)
Get/Set
Alarm Low Set Point
INT
102 (66 hex)
Get/Set
High Deviation Value
UINT
103 (67 hex)
Get/Set
Low Deviation Value
UINT
Attribute
Access
Name
Type
Description