Rockwell Automation 1203-CN1 ControlNet Communications Module 1203-CN1 - Manual (Page 127)

Publication 1203-5.13 – February, 2002
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 1203-CN1 module 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*