Rockwell Automation 1440-VAD02-01RA XM-123 Aeroderivative Module - Manual (Page 103)

Publication GMSI10-UM003D-EN-P - May 2010
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COS Message Format
The XM-123 COS message contains six bytes of data as defined in the table
below. The COS data can also be requested explicitly through Assembly
Object (Class ID 0x4), Instance 100 (0x64), Data Attribute (3).
XM Status Values
The following tables describe the XM Status values that are included in the
COS messages.
XM-123 COS Message Format
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Relay 1
Status Setpoint
Multiplier
Status
Alarm 2 Status Alarm 1 Status
1 Relay 2
Status Reserved Alarm 4 Status Alarm 3 Status
2 Relay 3
Status Reserved Alarm 6 Status Alarm 5 Status
3 Relay 4
Status Reserved Alarm 8 Status Alarm 7 Status
4 Relay 5
Status Reserved Alarm 10 Status Alarm 9 Status
5 Reserved Reserved Alarm 12 Status Alarm 11 Status
Alarm Status Descriptions
Alarm Status Value Description
0 Normal
1 Alert
2 Danger
3 Disarm
4 Transducer Fault (Sensor OOR)
5 Module Fault
6 Tachometer Fault
7 Reserved
Setpoint Multiplier Status Descriptions
Setpoint Multiplier Status Value Description
0 Not Activated
1 Activated