User`s guide

Series D8 User’s Guide Chapter 3: Communicating by DeviceNet
Doc. 0600-3120-2000 Watlow Anafaze 73
Table 3.32 PV Retransmit 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).
Ratio Object
The Ratio Object provides read/write access to all ratio pa-
rameters. Instance 0 of this object contains the class attributes
listed in Table 3.34. 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 3.35. Instance 1 corresponds to loop 1, instance 2 cor-
responds to loop 2, and so on.
Table 3.33 Ratio Class and Services
Table 3.34 Ratio Class Attributes (Instance 0)
Attribute Access Name Type Description
100 (64 hex) Get/Set Heat Output Retransmit USINT See page 148.
101 (65 hex) Get/Set Cool Output Retransmit USINT See page 148.
102 (66 hex) Get/Set Heat Retransmit Low Process Variable INT See page 148.
103 (67 hex) Get/Set Cool Retransmit Low Process Variable INT See page 148.
104 (68 hex) Get/Set Heat Retransmit High Process Variable INT See page 148.
105 (69 hex) Get/Set Cool Retransmit High Process Variable INT See page 148.
Class Code 69 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