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84
DeviceNet Objects
Instance Attributes
Table C.9 Assembly Object Instance Attributes
Attr ID
Access
Rule
Name
Data Type
Value
1
Get
Number of Members in list
UINT
Only supported for Dynamic Assembly
instance
2
Set
Member List
Array of STRUCT:
Only supported for Dynamic Assembly
instance
Member Data Description
3
Get
UINT Size of member data value in bits
Member Path Size
UINT
Member Path
Packed EPATH
Data
Defined in tables
on the following
pages.
Assembly Instance Attribute Data Format
Instance 100 - Alarm and Relay Status
This assembly is sent using COS messaging when any of the Alarm or Relay
Status values change.
Table C.10 Instance 100 Data Format (Alarm and Relay Status Values Assembly)
Byte
Bit 7
Bit 6
0
Relay 1
Status
0
Alarm 2 Status
(Channel 2 value)
Alarm 1 Status
(Channel 1 value)
1
Relay 2
Status
0
Alarm 4 Status
(Channel 4 value)
Alarm 3 Status
(Channel 3 value)
2
Relay 3
Status
0
Alarm 6 Status
(Channel 6 value)
Alarm 5 Status
(Channel 5 value)
3
Relay 4
Status
0
Alarm 8 Status
(Channel 2 rate)
Alarm 7 Status
(Channel 1 rate)
4
Relay 5
Status
0
Alarm 10 Status
(Channel 4 rate)
Alarm 9 Status
(Channel 3 rate)
5
Relay 6
Status
0
Alarm 12 Status
(Channel 6 rate)
Alarm 11 Status
(Channel 5 rate)
6
Relay 7
Status
0
Alarm 14 Status
(Channel 2 difference)
Alarm 13 Status
(Channel 1 difference)
7
Relay 8
Status
0
Alarm 16 Status
(Channel 4 difference)
Alarm 15 Status
(Channel 3 difference)
8
0
0
Alarm 18 Status
(Channel 6 difference)
Alarm 17 Status
(Channel 5 difference)
Publication GMSI10-UM006C-EN-P - August 2010
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0