Changed csv plots to show instantaneous field changes

cage_func.py

@@ -22,7 +22,7 @@ class Axis:
     def __init__(self, index, device, PSU_channel, arduino_pin):
         # static information
         self.index = index  # index of this axis, 0->X, 1->Y, 2->Z
-        self.device = device  # power supply object for this axis (PS2000B class)
+        self.device = device  # power supply object for this axis (PS2000B class object)
         self.channel = PSU_channel  # power supply unit channel (0 or 1)
         self.ardPin = arduino_pin  # output pin on the arduino for switching polarity on this axis
 
@@ -94,7 +94,7 @@ class Axis:
         else:  # no communications error
             self.connected = "Connected"  # PSU is connected
 
-    def print_status(self):  # print out the current status of the device (not used at the moment)
+    def print_status(self):  # print out the current status of the PSU channel (not used at the moment)
         ui_print("%s, %0.2f V, %0.2f A"
                  % (self.device.get_device_status_information(self.channel),
                     self.device.get_voltage(self.channel), self.device.get_current(self.channel)))
@@ -235,7 +235,8 @@ def setup_all():  # main test stand initialization function
                 # this throws an exception, which can be ignored
 
         g.ARDUINO = ArduinoCtrl()  # initialize the arduino object from the control class, connects and sets up
-    except Exception as e:  # some unforeseen error occurred
+
+    except Exception as e:  # some unforeseen error occurred (not connected issue handled in ArduinoCtrl class)
         # show error messages to alert user
         ui_print("Arduino setup failed:", e)
         ui_print(traceback.print_exc())