Cascade object, Cascade object 74, Table 3.36—cascade class and services 74 – Watlow Series D8 User Manual
Page 92

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
101 (65 hex)
Get/Set
Ratio Low Set Point
INT
102 (66 hex)
Get/Set
Ratio High Set Point
INT
103 (67 hex)
Get/Set
Control Ratio
UINT
104 (68 hex)
Get/Set
Ratio Set Point Differential
INT
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