Eaton C440/XTOE - Message Router and DeviceNet Objects

DeviceNet Configuration
C440/XTOE Electronic Overload Relay, DeviceNet MN04210002E—March 2011 www.eaton.com 17
Message Router Object, Class 0x02 (C440)
Message Router Instance Services (C440)
Message Router Instance Attributes (C440)
DeviceNet Object, Class 0x03 (C440)
DeviceNet Instance Services (C440)
DeviceNet Instance Attributes (C440)
Service Code Service Name Service Data Description
0x0E Get_Attribute_Single N/A Returns the value of the specified attribute
Attr ID NV Access Rule Name Data Type Attribute Description Semantics
1 Get Object list STRUCT of: A list of supported objects Structure with an array of object class codes
supported by the device
UINT Number of supported classes in
the classes array
The number of class codes in the classes array
ARRAY of UINT List of supported class codes The class codes supported by the device
2 Get Number available UINT Maximum connections supported Count the maximum number of connections
supported
3 Get Number active UINT Number of connections currently
used by system components
Current count of the number of connections allocated
to system communication
Service Code Service Name Service Data Description
0x0E Get_Attribute_Single N/A Returns the value of the specified attribute
0x4B Allocate values Allocate_Master/Slave_Connection_Set
0x4C Release value Release_Group_2_Identifier_Set
Attr ID NV Access Rule Name Data Type Attribute Description Semantics
5 — Get Allocation
information
STRUCT of: — —
Allocation
choice byte
BYTE Indicates which connections are
active
Bit 0—Explicit
Bit 1—Poll
Bit 2—Bit strobe
Master’s
MAC ID
USINT MAC ID of Master
(from allocate)
Range 0—63, 255
Modified via
allocate only
6 — Get MAC ID switch
changed
BOOL The node address switches have
changed since last power-up/reset
0 = No change
1 = Change since last reset or power-up
7 — Get Baud rate switch
changed
BOOL The baud rate switch(es) have
changed since last power-up/reset
0 = No change
1 = Change since last reset or power-up
8 — Get MAC ID switch
value
USINT Actual value of node
address switches
Range 0—63
9 — Get Baud rate switch
value
USINT Actual value of baud
rate switches
Range 0—3
C440 DeviceNet.book Page 17 Friday, March 25, 2011 10:41 AM
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