1  from lakeshore.model_224 import Model224
 2  
 3  
 4  class LakeShore224Device:
 5      """
 6      Class to interact with the Lake Shore 224 Temperature Monitor using the official driver.
 7      """
 8  
 9      def __init__(self, port, name = None):
10          try:
11              if Model224 is not None:
12                  self.device = Model224(com_port=port)
13              else:
14                  raise ImportError("Lake Shore Model224 driver not available.")
15              self.port = port
16              self.address = port  # Added to store the address
17              self.input_channels = []
18              self.list_channels()
19              self.name = name
20              print(
21                  f"Connected to Lake Shore 224 on {port} with channels {self.input_channels}")
22          except Exception as e:
23              raise e
24  
25      def get_input_channels(self):
26          return self.input_channels
27  
28      def get_output_channels(self):
29          return []  # Lake Shore 224 has no output channels
30  
31      def get_temperature(self, channel):
32          try:
33              temp = self.device.get_kelvin_reading(channel)
34              return temp
35          except Exception as e:
36              print(
37                  f"Error reading temperature from Lake Shore 224 (Channel {channel}): {e}"
38              )
39              return None
40  
41      def read_all_channels(self):
42          readings = {}
43          for channel in self.input_channels:
44              temp = self.get_temperature(channel)
45              readings[channel] = temp
46          return readings
47  
48      def list_channels(self):
49          """
50          List available input channels on the Lake Shore 224.
51  
52          Channel names are 'A', 'B', 'C1' - 'C5', 'D1' - 'D5'.
53          """
54          self.input_channels = ['A', 'B'] + \
55              [f'C{i}' for i in range(1, 6)] + [f'D{i}' for i in range(1, 6)]