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Cos message format – Rockwell Automation 1440-TPS02-01RB XM-320 Position Module User Manual

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Publication GMSI10-UM005C-EN-P - May 2010

78 DeviceNet Information

The Poll response data can also be requested explicitly through Assembly
Object (Class ID 0x4), Instance 101 (0x65), Data Attribute (3).

The following table shows the static data format of Assembly instance 101.

COS Message Format

The XM-320 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-320 I/O Poll Response Message Format

Byte

Definition

0–3

Channel 1 Position measurement value

4–7

Channel 2 Position measurement value

XM-320 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

Reserved

Reserved

2

Relay 3
Status

Reserved

Reserved

Reserved

3

Relay 4
Status

Reserved

Reserved

Reserved

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)