DocID022332 Rev 2

9/15

AN3991

Controlling three motors with scripts

15

Three_motors script text

MOTOR_A = 0 # Motor A is the 1st one

MOTOR_B = 1 # Motor B is the 2nd one

MOTOR_C = 2 # Motor C is the 3rd one

#1.Establish the home position for all three motors wherever the shafts

happen to be

# Set motor A home position

ResetPos(MOTOR_A)

# Set motor B home position

#ResetPos(MOTOR_B)

# Set motor C home position

ResetPos(MOTOR_C)

#2.Spin MOTOR_A FW (forward) at 800 steps/sec for 5 seconds

# Send the Run command

#

Device

Dir

Speed

Run(MOTOR_A, True, 0xD1B7)

# Wait (about) 5 seconds

Delay(5000) # milliseconds

# Stop the motor

HardStop(MOTOR_A)

#3.Wait (about) 2 seconds

Delay(2000) # milliseconds

#4.Move MOTOR_A BW 2 revs or 400 steps or 51,200 microsteps

# Send the Move command

#

Device

Dir

microSteps

Move(MOTOR_A, False, 0xC800)

Delay(2000)

#5.Spin MOTOR_B BW (in the opposite direction) at 500 steps/sec for 8

seconds

# Send the Run command

#

Device

Dir

Speed

Run(MOTOR_B, False, 0x8312)

# Wait (about) 8 seconds

Delay(8000) # milliseconds

# Stop the motor

HardStop(MOTOR_B)

#6.Wait (about) 4 seconds

Delay(4000) # milliseconds

#7.Move MOTOR_B FW 4 revs or 800 steps or 102400 microsteps