bmarechal / datalogger-gui

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Commit 9af9f93f99a2df18b67969afbf187a5c8d974b4a

Authored by bmarechal
1 parent bb6b080411
Exists in master

add 4-wire resistance support with Labjack T7Pro

Showing 1 changed file with 81 additions and 0 deletions Inline Diff

instruments/T7Pro.py
Diff comments   View file @ 9af9f93
File was created 1 from abstract_instrument import abstract_instrument
2 from labjack import ljm
3 import numpy
4
5 #==============================================================================
6
7 ALL_VAL_TYPE = ['RES']
8 ALL_CHANNELS = ['1', '2', '3', '4']
9
10 ADRESS = "192.168.0.25"
11 CONF_CHANNELS = [["AIN0", "AIN10"], ["AIN2", "AIN11"], ["AIN4", "AIN12"], ["AIN6", "AIN13"]]
12
13 #==============================================================================
14
15 class T7Pro(abstract_instrument):
16 def __init__(self, channels, vtypes, adress):
17 self.adress = adress
18 self.channels = channels
19 self.vtypes = vtypes
20
21 def model(self):
22 return 'T7Pro'
23
24 def connect(self):
25 print('Connecting to device @%s...' %(self.adress))
26 self.handle = ljm.openS("T7", "ETHERNET", self.adress)
27 print(' --> Ok')
28 print(self.model())
29 self.configure()
30
31 def configure(self):
32 names = ["AIN0_NEGATIVE_CH", "AIN0_RANGE", "AIN0_RESOLUTION_INDEX",
33 "AIN1_NEGATIVE_CH", "AIN1_RANGE", "AIN1_RESOLUTION_INDEX",
34 "AIN2_NEGATIVE_CH", "AIN2_RANGE", "AIN2_RESOLUTION_INDEX",
35 "AIN3_NEGATIVE_CH", "AIN3_RANGE", "AIN3_RESOLUTION_INDEX",
36 "AIN4_NEGATIVE_CH", "AIN4_RANGE", "AIN4_RESOLUTION_INDEX",
37 "AIN5_NEGATIVE_CH", "AIN5_RANGE", "AIN5_RESOLUTION_INDEX",
38 "AIN6_NEGATIVE_CH", "AIN6_RANGE", "AIN6_RESOLUTION_INDEX",
39 "AIN7_NEGATIVE_CH", "AIN7_RANGE", "AIN7_RESOLUTION_INDEX",
40 #"AIN8_NEGATIVE_CH", "AIN8_RANGE", "AIN8_RESOLUTION_INDEX",
41 #"AIN9_NEGATIVE_CH", "AIN9_RANGE", "AIN9_RESOLUTION_INDEX",
42 "AIN10_NEGATIVE_CH", "AIN10_RANGE", "AIN10_RESOLUTION_INDEX",
43 "AIN11_NEGATIVE_CH", "AIN11_RANGE", "AIN11_RESOLUTION_INDEX",
44 "AIN12_NEGATIVE_CH", "AIN12_RANGE", "AIN12_RESOLUTION_INDEX",
45 "AIN13_NEGATIVE_CH", "AIN13_RANGE", "AIN13_RESOLUTION_INDEX"
46 ]
47 l_names = len(names)
48 aValues = [1, 1, 12,#0
49 199, 1, 12,#1
50 3, 1, 12,#2
51 199, 1, 12,#3
52 5, 1, 12,#4
53 199, 1, 12,#5
54 7, 1, 12,#6
55 199, 1, 12,#7
56 #199, 1, 12,#8
57 #199, 1, 12,#9
58 199, 1, 12,#10
59 199, 1, 12,#11
60 199, 1, 12,#12
61 199, 1, 12#13
62 ]
63
64 ljm.eWriteNames(self.handle, l_names, names, aValues)
65
66 def getValue(self):
67 strMes = ''
68 for ch in self.channels: