Rockwell Automation 8520-9API 9/Series OCI API Developer's Guide - Manual (Page 90)

4–42 OCI Data Server Data Items
Publication 8520-6.6 - August 1999
SERVO_FW_REVISION, num_module
Data Type
DINT
Read/Write Read only
Array Index num_module
Control Type Lathe/Mill/Grinder 1
1 Grinder Control Type is not available for Release 1 of 9/PC.
This double word provides the servo firmware revision as a 32 bit
word. The upper 16 bits indicate the major and minor revisions.
The lower 16 bits indicate the an internal Allen–Bradley software
revision that you should ignore.
For example for firmware revision 11.00 you would be returned the
decimal integer 720896048 or in HEX
2AF8–0030
The lower 16 bits is the internal revision
The upper 16 bits is the major revision 11000 (11.00)
You can access this data item for each servo module individually
using the num_module index. This index corresponds to the position
of the servo module in the chassis. Not including the num_module
index results in the data being returned for all servo modules in the
system (separated by the (TAB) character).
9/260 - 9/290 Chassis
Servo Modules 3 1 2
Important: On the 9/PC system, the number of servo modules is
always 1.