![DAQ system USB3-FRM13 K User Manual Download Page 19](http://html1.mh-extra.com/html/daq-system/usb3-frm13-k/usb3-frm13-k_user-manual_3485180019.webp)
USB3-FRM13 User’s Manual
18
A and B operates the difference of 90 degree as shown in the figure above.
When "B" is low and "A" is high, it move counter-wise direction
When "B" is high and "A" is high, it move count counter-wise direction.
Z also used as a trigger because Z shows the one on the wheel once.
[Figure 2-17. Encoder Z Phase]