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CHAPTER 5: COMMUNICATIONS DEVICENET OPERATIONS
LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 5–47
The Hi and Lo bytes of the phase current A, B and C are reversed as compared to poll group 1 to make
it compatible with the format of Firmware revision 1.40 polling data.
This data group also can be retrieved via explicit messaging to the assembly object class 4, instance
105, attribute 3.
UINT = 16 bit unsigned integer.
See Data Formats on page 5–57 for details on the F20, F21, and F22 data formats.
5.1.3 Identity object
Identity Object, Class Code 1, Services:
Identity Object, Class Code 1, Attributes:
Identity Object, Class Code 1, Instance 1, Attributes:
5.1.4 Message Router
The message router (Class Code 2) object provides a messaging connection point through
which a client may address a service to any object or instance residing in the physical
device. There is no external visible interface to the message router object.
5.1.5 DeviceNet Object
DeviceNet Object, Class Code 3, Services:
DeviceNet Object, Class Code 3, Attributes:
Code Name and Description of Services Available to this Object
0x05 Reset: Reset the device to power up configuration
0x0E Get_Attribute_Single: Returns the contents of the given attribute
Attribute Access Name/Description Data Type Value
none --- --- --- ---
Attribute Access Name/Description Data Type Value
1 Get Vendor UINT 928
2 Get Device type UINT 22
3 Get Product code UINT 77
4 Get Revision (major, minor) BYTE[2] 0x013C
Code Name and Description of Services Available to this Object
0x0E Get_Attribute_Single: Returns the contents of the given attribute.
0x4B Allocate: Creates predefined M/S connections.
0x4C Release: Deletes predefined M/S connections.
Attribute Access Name/Description Data Type Value
1 Get Revision UINT 2