Commit b8f64a3ebf31b54dd7357727a2da6463167906dc
1 parent
bd700e0048
Exists in
master
instruments/AG34461A_avg.py: NPLC trick to give a 1s meas
Showing 1 changed file with 82 additions and 0 deletions Inline Diff
instruments/AG34461A_avg.py
File was created | 1 | from abstract_instrument import abstract_instrument | ||
2 | import socket | |||
3 | import time | |||
4 | ||||
5 | #============================================================================== | |||
6 | ||||
7 | ALL_VAL_TYPE = ['DCV', 'ACV', 'DCI', 'ACI', 'RES2W', 'RES4W', 'FREQ'] | |||
8 | ALL_CHANNELS = ['1'] | |||
9 | ||||
10 | ADDRESS = "192.168.0.61" | |||
11 | CONF_VAL_TYPE = ['CONF:VOLT:DC', 'CONF:VOLT:AC', 'CONF:CURR:DC', 'CONF:CURR:AC', 'CONF:RES', 'CONF:FRES', 'CONF:FREQ'] | |||
12 | ||||
13 | #============================================================================== | |||
14 | ||||
15 | class AG34461A_avg(abstract_instrument): | |||
16 | def __init__(self, channels, vtypes, address): | |||
17 | self.address = address | |||
18 | self.port = 5025 | |||
19 | self.channels = channels | |||
20 | self.vtypes = vtypes | |||
21 | ||||
22 | def model(self): | |||
23 | #self.send("*IDN?") | |||
24 | #return self.read() | |||
25 | return "AG34461A" | |||
26 | ||||
27 | def connect(self): | |||
28 | print('Connecting to device @%s:%s...' %(self.address, self.port)) | |||
29 | self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |||
30 | self.sock.settimeout(10.0) # Don't hang around forever | |||
31 | self.sock.connect((self.address, self.port)) | |||
32 | self.send("SYST:BEEP") | |||
33 | print(' --> Ok') | |||
34 | print(self.model()) | |||
35 | self.configure() | |||
36 | ||||
37 | def configure(self): | |||
38 | self.send("*RST") | |||
39 | for ch in self.channels: | |||
40 | self.send(CONF_VAL_TYPE[ALL_VAL_TYPE.index(self.vtypes[self.channels.index(ch)])]) | |||
41 | self.send("CONF:VOLT:DC 10") | |||
42 | #self.send("VOLT:DC:NPLC 10") | |||
43 | self.send("SAMP:COUN 1") | |||
44 | self.send("TRIG:COUN 5") | |||
45 | self.send("TRIG:DEL 0") | |||
46 | self.send("SENS:ZERO:AUTO OFF") | |||
47 | self.send("TRIG:SOUR IMM") | |||
48 | self.send("INIT") | |||
49 | ||||
50 | def getValue(self): | |||
51 | mes = '' | |||
52 | for ch in self.channels: | |||
53 | self.send("FETC?") | |||
54 | mesTemp = self.read() | |||
55 | mesTemp = map(float, mesTemp.split(',')) | |||
56 | mes = mes + '\t' + str(sum(mesTemp)/len(mesTemp)) | |||
57 | self.send("INIT") | |||
58 | return mes | |||
59 | ||||
60 | def read(self): | |||
61 | ans = '' | |||
62 | nb_data_list = [] | |||
63 | nb_data = '' | |||
64 | try: | |||
65 | while ans != '\n': | |||
66 | ans = self.sock.recv(1) | |||
67 | nb_data_list.append(ans) # Return the number of data | |||
68 | list_size = len(nb_data_list) | |||
69 | for j in range (0, list_size): | |||
70 | nb_data = nb_data+nb_data_list[j] |