forked from zietzm/Helmholtz_Test_Bench
Martin Zietz
28 lines
898 B
Python
28 lines
898 B
Python
import numpy as np
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global XY_DEVICE
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global Z_DEVICE
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global X_AXIS # object structure: (device, channel, arduino pin, axis index)
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global Y_AXIS
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global Z_AXIS
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global AXES # list containing [X_AXIS, Y_AXIS, Z_AXIS]
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# Constants:
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COIL_CONST = np.array([38.6, 38.45, 37.9]) * 1e-9 # Coil constants [x,y,z] in T/A
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AMBIENT_FIELD = np.array([80]) * 1e-6 # ambient magnetic field in measurement area, to be cancelled out
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RESISTANCES = np.array([3.9, 1, 1]) # resistance of [x,y,z] circuits
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MAX_WATTS = np.array([8, 0, 0]) # max. allowed power for [x,y,z] circuits
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MAX_VOLTS = [16, 16, 16] # max. allowed voltage, limited to 16V by used diodes!
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# COM-Ports for power supply units:
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XY_PORT = "COM1" # placeholders
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Z_PORT = "COM2"
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global ARDUINO
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RELAY_PINS = [15, 16, 17] # pin on the Arduino for switching relay of each axis [x,y,z]
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# ToDo: make proper settings file to read from and write to
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