All from memory, pin names not checked
(loadrt and addf stuff goes here)

# This is the closed-loop speed part

net spindle-cmd motion.spindle-speed-out-rps => pid.3.command
net spindle-fb pid.3.feedback <= hm2_5i25.0.7i77.encoder.03.velocity
net spindle-drive-command pid.3.out => hm2_5i25.0.7i77.0.analogout-03
setp pid.3.Pgain 0
setp pid.3.Igain 0
setp pid.3.ff0 0.0013333
net {whatever your enable signal is called} pid.3.enable

# This is the stuff that allows spindle-coordinated motion
net spindle-index motion.spindle-index-enable <=> hm2_5i25.0.7i77.00.encoder.03.index-enable
net spindle-rotations hm2_5i25.0.7i77.00.encoder.03.position => motion.spindle-revs