User`s guide

Chapter 3: Communicating by DeviceNet Series D8 User’s Guide
74 Watlow Anafaze Doc. 0600-3120-2000
Table 3.35 Ratio Instance Attributes
(Instances 1 to 4 or 8)
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).
Cascade Object
The Cascade Object provides read/write access to all cascade
parameters. Instance 0 of this object contains the class at-
tributes listed in Table 3.37. The four-loop controller has four
additional instances, and the eight-loop controller has eight
additional instances, each containing the attributes listed in
Table 3.38. Instance 1 corresponds to loop 1, instance 2 cor-
responds to loop 2, and so on.
Table 3.36 Cascade Class and Services
Table 3.37 Cascade Class Attributes
(Instance 0)
Attribute Access Name Type Description
100 (64 hex) Get/Set Ratio Master Loop USINT See page 150.
101 (65 hex) Get/Set Ratio Low Set Point INT See page 150.
102 (66 hex) Get/Set Ratio High Set Point INT See page 151.
103 (67 hex) Get/Set Control Ratio UINT See page 151.
104 (68 hex) Get/Set Ratio Set Point Differential INT See page 151.
Class Code 6A 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