Rockwell Automation 1440-VST02-01RA XM-120 Eccentricity Module - Manual (Page 81)

Publication GMSI10-UM010C-EN-P - May 2010
DeviceNet Information 73
COS Message Format
The Eccentricity COS message contains five 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).
24–27 Channel 2 Gap value
28–31 Channel 1 Maximum Gap value
32–35 Channel 2 Maximum Gap value
Eccentricity Assembly Instance 104 Data Format
Byte Definition
0–3 Channel 1 Eccentricity value
4–7 Channel 1 Gap value
8–11 Channel 1 Minimum Gap value
12–15 Channel 1 Maximum Gap value
16–19 Speed
20–23 Channel 2 Eccentricity value
24–27 Channel 2 Gap value
28–31 Channel 2 Minimum Gap value
32–35 Channel 2 Maximum Gap value
Eccentricity Assembly Instance 103 Data Format
Byte Definition
XM-120 COS Message Format
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Relay 1
Status Reserved
Alarm 2 Status Alarm 1 Status
1 Relay 2
Status Reserved Reserved Reserved
2 Relay 3
Status Reserved Reserved Reserved
3 Relay 4
Status Reserved Reserved Reserved
4 Relay 5
Status Reserved Reserved Reserved