MID-7604/7602Power Drive 12 ni.com
Microstepping Selection
The MID-7604/7602 uses bipolar chopper,two-phase microsteppi ng
driverswith a broad range of microstep rates. The factory default setting
is 10-times microstepping (2,000 steps/revwith stand ard 1.8ยบstepper
motors). Table2 shows the DIP switch settings for all possible microstep
settings.DIP sw itches 6 through 9 control the microstep rate on a per-axis
basis.
Table2. MicrostepRate DIP Switch Setting
BinarySelections DecimalSele ctions
Switch Microsteps/Step Switch Microsteps/Step
2 (half step) 5
4 10
(factorydefault)
8 25
16 50
32 125
64 250
128 Do not use
256 Do not use
6
O
N
789 6
O
N
789
6
O
N
789 6
O
N
789
6
O
N
789 6
O
N
789
6
O
N
789 6
O
N
789
6
O
N
789 6
O
N
789
6
O
N
789 6
O
N
789
6
O
N
789 6
O
N
789
6
O
N
789 6
O
N
789