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M335 Microstepping Driver Manual V1.0
ECG--
SAVEBASE
7
If a power supply serves several drivers, separately connecting the drivers is recommended
instead of daisy-chaining.
It is prohibited to pull and plug connector P2 while the driver is powered ON, because there
is high current flowing through motor coils (even when motor is at standstill). Pulling or
plugging connector P2 with power on will cause extremely high back-EMF voltage surge,
which may damage the driver.
4
Selecting Microstep Resolution, Decay mode and
Driver Output Current
This driver uses a 6-bit DIP switch to set micro step resolution, motor operating current and decay
mode as shown in the following figure:
4.1
Microstep Resolution Selection
Microstep resolution is set by SW1, 2 of the DIP switch as shown in the following table:
SW1
SW2
Microstep resolution
OFF
OFF
1
ON
OFF
1/2
ON
ON
1/8
OFF
ON
1/16
Note:
For smooth operation, please try to choose high segmentation, such as 1/16 segmentation
SW1
SW2
SW3
SW4
SW5
SW6
Microstep Resolution
Dynamic Current
Decay Mode