GE 469

COMMUNICATIONS GUIDE DEVICENET PROTOCOL
469 MOTOR MANAGEMENT RELAY – COMMUNICATIONS GUIDE 127
Assembly Object (class code 04h)
The class and instance attributes for the assembly object (class 04h) are as follows:
The attributes in this class can be accessed using Poll I/O Connection or Explicit
Messages Connection. This data could be polled from Class A0h, I/O Data Input
Mapping Object, instance 1, attribute 1 as well.
ALLOCATION INFORMATION - ALLOCATION CHOICE (Object 03h, Instance 01h, Atttibute 05h)
BIT ON (=1) DESCRIPTION
BIT 0 Explicit message connection
BIT 1 Polled I/O connection
BIT 2 Bit strobed connection
BIT 3 Multicast polling connection
BIT 4 Change of state connection
BIT 5 Cyclic connection
BIT 6 Acknowledge suppression
BIT 7 Reserved
Table 16: Assembly object, Class code 04h, Attributes:
Attribute Name/Description Services Default, Min, Max Data type
01h
Revision of the assembly
object
Get_Attribute_All 2, 2, 2 UINT
02h
Maximum instance created
by this object
Get_Attribute_Single N/A, N/A, 96 UINT
Table 17: Assembly object, Class code 04h, Instance 64h, Attributes:
Attribute Byte Name/Description Services Default, Min, Max
Format
Code
03h
1, 2 (low,
high)
IO polled data: relay
status
Get_Attribute_Single 0, 0, FFFF F162
3, 4 (low,
high)
Input switches and
output relay status
Get_Attribute_Single 0, 0, FFFF F163
5, 6 (low,
high)
Motor thermal
capacity used
Get_Attribute_Single 0, 0, 100 F1
7 to 10 (low,
high)
Time to trip Get_Attribute_Single –1, –1, 99999 F20
Table 18: Assembly object, Class code 04h, Instance 66h, Attributes:
Attribute Byte Name/Description Services Default, Min, Max
Format
Code
03h
1, 2 (low,
high)
IO polled data: relay status Get_Attribute_Single 0, 0, FFFF F162
3, 4 (low,
high)
Input switches and output
relay status
Get_Attribute_Single 0, 0, FFFF F163