User`s guide

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