Cos message format – Rockwell Automation 1440-SPD02-01RB XM-220 Dual Speed Module User Manual

Page 85

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Publication GMSI10-UM004B-EN-P - May 2010

DeviceNet Information 77

COS Message Format

The XM-220 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).

XM Status Values

The following tables describe the XM status values that are included in the
COS messages.

XM-220 COS Message Format

Byte

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0

Relay 1
Status

Startup Period
Status

Channel 2 Speed Alarm Status

(Alarm 2)

Channel 1 Speed Alarm Status

(Alarm 1)

1

Relay 2
Status

Reverse
Rotation Status

Channel 2 Acceleration Alarm Status

(Alarm 4)

Channel 1 Acceleration Alarm Status

(Alarm 3)

2

Relay 3
Status

Reserved

Channel 2 Zero Speed Alarm Status

(Alarm 6)

Channel 1 Zero Speed Alarm Status

(Alarm 5)

3

Relay 4
Status

Reserved

Channel 2 Locked Rotor Alarm Status

Channel 1 Locked Rotor Alarm Status

4

Relay 5
Status

Reserved

Reserved

Reserved

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

Startup Period Status Descriptions

Startup Period Status Value

Description

0

Not Activated

1

Activated

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