from mettler_toledo_device import MettlerToledoDevice
dev = MettlerToledoDevice() # Might automatically find device if one available
# if it is not found automatically, specify port directly
#dev = MettlerToledoDevice(port='/dev/ttyUSB0') # Linux specific port
dev = MettlerToledoDevice(
port='/dev/ttyACM0') # Linux specific port for abstract control model
dev = MettlerToledoDevice(
port='/dev/tty.usbmodem262471') # Mac OS X specific port
#dev = MettlerToledoDevice(port='COM3') # Windows specific port
dev.get_serial_number()
#1126493049
dev.get_balance_data()
#['XS204', 'Excellence', '220.0090', 'g']
dev.get_weight_stable()
#[-0.0082, 'g'] #if weight is stable
#None #if weight is dynamic
dev.get_weight()
#[-0.6800, 'g', 'S'] #if weight is stable
#[-0.6800, 'g', 'D'] #if weight is dynamic
dev.zero_stable()
#True #zeros if weight is stable
#False #does not zero if weight is not stable
dev.zero()
#'S' #zeros if weight is stable
#'D' #zeros if weight is dynamic
from mettler_toledo_device import MettlerToledoDevice dev = MettlerToledoDevice() # Might automatically find device if one available # if it is not found automatically, specify port directly #dev = MettlerToledoDevice(port='/dev/ttyUSB0') # Linux specific port dev = MettlerToledoDevice(port='/dev/ttyACM0') # Linux specific port for abstract control model dev = MettlerToledoDevice(port='/dev/tty.usbmodem262471') # Mac OS X specific port #dev = MettlerToledoDevice(port='COM3') # Windows specific port dev.get_serial_number() #1126493049 dev.get_balance_data() #['XS204', 'Excellence', '220.0090', 'g'] dev.get_weight_stable() #[-0.0082, 'g'] #if weight is stable #None #if weight is dynamic dev.get_weight() #[-0.6800, 'g', 'S'] #if weight is stable #[-0.6800, 'g', 'D'] #if weight is dynamic dev.zero_stable() #True #zeros if weight is stable #False #does not zero if weight is not stable dev.zero() #'S' #zeros if weight is stable #'D' #zeros if weight is dynamic
robot.moveXY(xy)
if weigh_aliquots:
from mettler_toledo_device import MettlerToledoDevice
scale = MettlerToledoDevice(port='/dev/ttyUSB2')
# TODO some scale command to automate this? setting to make it not
# sleep?
print('Tap the scale to wake it up, if it is not already.')
#
zeroed = False
# TODO this doesn't seem to work if we can't wake the scale...
print('Waiting for stable weight to zero... ', end='')
sys.stdout.flush()
while not zeroed:
zeroed = scale.zero_stable()
print('done')
scale_xy = (632, 2)
# 23 would stick sometimes
scale_z = 23
def weigh_vial():
"""Returns vial weight in grams. Assumes start at safe Z height.
"""
# just to be safe. could delete later.
robot.moveZ2(0)
#
robot.moveXY(scale_xy)
robot.moveZ2(scale_z - 0.5)