Rockwell Automation 1203-GK5 DeviceNet Communications Module FRN 1.xxx-3.xxx - Manual (Page 129)

Supported Emulated Block Transfer Commands (Product ID Number Read) F-9
Message Operation
Product ID Number Read, through the drive response message
word 3, indicates the type of device the DeviceNet adapter is
connected to. This value is defined in the message response chart
shown above.
If an error has occurred, word 1 of the response returns a negative
value of –32512.
Example
In this example, the Product ID Number Read was requested. The
drive response contained a value of 3 in word 3 of its message
response, indicating a connection to a 1336 PLUS drive.
Data File Format
* Example only — These values vary depending on parameters and products.
0 1 2 3 4 5 6 7 8 9
PLC request 3 256 0
Drive Response 6 256 0 3*