Rockwell Automation 1746-HSRV SLC Servo Control Module User Manual - Manual (Page 149)

Publication 1746-6.1.2 - July 2000
9-6 Programming System Variables
This command is useful when you want to set the current position of
the axis to a certain predetermined or preset value.
If the Preset Position command fails, the SLC processor is notified with
an appropriate error message.
Typical Preset Position Move Data Tables
Before executing a Preset Position move, set Source B for the Equal
instruction in Figure 9.1 to 8. A Preset Position command to set the
command position to 5.0 is initiated if the float data table is:
And the integer data table is:
Using Online Configuration
Commands If an online command is out of range, it is flagged as an error and the
error status is returned in word I:s.4.
The configuration commands are:
•
Set Offset
•
Set In-Position Band
•
Set Excess FE Limit
•
Set Axis Gain
•
Set VFF
Using the Set Offset Command
The Set Offset command adds the offset value to the end point for all
absolute moves. The position the axis moves is offset from the end
point by this amount. The specified offset value is used for all
subsequent moves. The offset is automatically cleared when the axis is
Word 0 (Position) 1 2 3 4 5
F27:0 5.0
Word 0 1 2 3 4 5
N32:0 0 0 0 0 0 8