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DeviceNet Configuration
18
C440/XTOE Electronic Overload Relay, DeviceNet
MN04210002E—March 2011 www.eaton.com
Assembly Object, Class 0x04 (C440)
The assembly object binds attributes of multiple objects,
which allows data to or from each object to be sent or
received over a single connection. Assembly objects can
be used to bind input data or output data. The terms “input”
and ”output” are defined from the network’s point of view.
An input will produce data on the network and an output will
consume data from the network. Various data sets can be
exchanged using I/O messaging. The data set to be
exchanged is determined by selecting an input and
an output assembly.
The adapter is designed with 2 I/O connections (poll and bit
strobe). These connections use the assemblies selected in
the vendor specific DeviceNet Interface object (0x94).
Assembly Instance Services (C440)
Assembly Instance Attributes (C440)
Assembly Instances (C440)
Input Assembly 50 (C440)
Input Assembly 107 (C440)
Notes
Indicates default assembly instances used in poll connection.
Indicates default assembly instances used in bit strobe connection.
Service
Code
Service Name
Service
Data
Description
0x0E
Get_Attribute_Single
N/A
Returns the value of the
specified attribute
0x10
Set_Attributes_Single
Value
Modifies an attribute value
Attr
ID
NV
Access
Rule
Name
Data
Type
Description
of Attribute
Semantics
of Values
3
— Set
Data
ARRAY
of BYTE
—
—
Type
Instance
Usage
Name
Input
50 (0x32)
Poll, bit strobe
Basic overload
(ODVA overload profile)
Input
107
(0x6B)
Poll, bit strobe
Extended overload with discrete
input and output points
Input
120
(0x78) Poll
User defined input
assembly short
Input
130 (0x82)
Poll
User defined input
assembly long
Output
2 (0x02)
Poll
Basic overload
(ODVA overload profile)
Output
105
(0x69)
Poll
Basic overload with discrete
output points
Output
111
(0x6F)
Bit strobe
Accepts 8 bytes of bit strobe
command to trigger bit strobe
response
Byte Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
—
—
—
—
—
—
—
Faulted
Byte Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Input 4 Input 3 Input 2 Input 1 Output 2 Output 3
Reserved Faulted
C440 DeviceNet.book Page 18 Friday, March 25, 2011 10:41 AM
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