In FieldPoint Explorer, you should right click on the FP-QUAD-510 @x and choose Edit This Device, then click on Channel Configuration. In the lower right corner is a box titled Channel Commands, click on the Create Item button to create a channel named "Control @Ch0". If you press OK twice, you will now see a new item named "Control @Ch0". Anytime you write a "1" to the channel, it will reset Axis 0. Write a "0" for a no-operation.
If you are using the FieldPoint Optomux VI's instead of the regular FieldPoint VI's, use the !n, Execute Channel Command.
Regards,
Aaron
LabVIEW Champion, CLA, CPI