Rockwell Automation 8520-9API 9/Series OCI API Developer's Guide - Manual (Page 108)

4–60 OCI Data Server Data Items
Publication 8520-6.6 - August 1999
Use this data item to identify the controlling spindle. The controlling
spindle is selected on the control with an G12.1 to G12.3 (G12.3 for
9/PC). This data item returns an integer value:
1 Indicates Spindle 1 controlling
2 Indicates Spindle 2 controlling
3 Indicates Spindle 3 controlling
Important: Only 2 spindles are available for Release 1 of the 9/PC.
NUM_SPINDLES
Data Type
UINT
Read/Write Read only
Array Index none
Control Type Lathe/Mill/Grinder 1
1 Grinder Control Type is not available for Release 1 of 9/PC.
Use this data item to identify the number of spindles currently
configured on the CNC. This data item returns an integer ranging
from 1 to 3 spindles on the 9/Series and from 1 to 2 spindles on the
9/PC.
SPINDLE_DAC_COMMAND, spindle_num
Data Type
INT
Read/Write Read only
Array Index none
Control Type Lathe/Mill/Grinder 1
1 Grinder Control Type is not available for Release 1 of 9/PC.
Use this data item to retrieve the current DAC output command for
any given spindle. The spindle_num index is the number of the
spindle to monitor as configured in AMP (1 – 3 for 9/Series or 1–2
for 9/PC). This item is only valid for spindles using an analog
output. A value of
±
4096 is equal to the max output of
±
10Volts. A
returned value of zero is zero volts.
SPINDLE_MOTOR_TYPE, spindle_num
Data Type
UINT (enumerated)
Read/Write Read only
Array Index spindle_num
Control Type Lathe/Mill/Grinder 1
1 Grinder Control Type is not available for Release 1 of 9/PC.