1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
#
# This file is part of the PyMeasure package.
#
# Copyright (c) 2013-2024 PyMeasure Developers
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
import logging
import re
from pymeasure.instruments import Instrument
log = logging.getLogger(__name__)
log.addHandler(logging.NullHandler())
class Fpu60(Instrument):
"""Represents a fpu60 power supply unit for the finesse laser series by Laserquantum,
a Novanta company.
The instrument responds to every command sent.
"""
def __init__(self, adapter, name="Laserquantum fpu60 power supply unit", **kwargs):
super().__init__(adapter,
name=name,
includeSCPI=False,
asrl={'baud_rate': 19200},
write_termination="\r",
read_termination="\r\n",
**kwargs)
interlock_enabled = Instrument.measurement(
"INTERLOCK?",
"""Get the interlock enabled status (bool).""",
values={True: "ENABLED", False: "DISABLED"},
map_values=True,
)
emission_enabled = Instrument.measurement(
"STATUS?",
"""Measure the emission status (bool).""",
values={True: "ENABLED", False: "DISABLED"},
map_values=True,
)
power = Instrument.measurement(
"POWER?",
"""Measure current output power in Watts (float).""",
# Response is in form:" ##.###W"
preprocess_reply=lambda r: r.replace("W", ""),
)
power_setpoint = Instrument.control(
"SETPOWER?", "POWER=%.3f",
"""Control the output power setpoint in Watts (float).""",
# Getter response is in form:" ##.###W"
preprocess_reply=lambda r: r.replace("W", ""),
check_set_errors=True,
)
shutter_open = Instrument.control(
"SHUTTER?", "SHUTTER %s",
"""Control whether the shutter is open (bool).""",
# set values: OPEN, CLOSE
# get response: "SHUTTER OPEN", "SHUTTER CLOSED"
values={True: "OPEN", False: "CLOSE"},
map_values=True,
preprocess_reply=lambda r: r.replace("SHUTTER ", "").replace("D", ""),
check_set_errors=True,
)
current = Instrument.measurement(
"CURRENT?",
"""Measure the diode current in percent (float).""",
# Response: " ###.#%"
preprocess_reply=lambda r: r.replace("%", ""),
)
psu_temperature = Instrument.measurement(
"PSUTEMP?",
"""Measure the power supply unit temperature in °C (float).""",
# Response: " ##.###C"
preprocess_reply=lambda r: r.replace("C", ""),
)
head_temperature = Instrument.measurement(
"HTEMP?",
"""Measure the laser head temperature in °C (float).""",
# Response: " ##.###C"
preprocess_reply=lambda r: r.replace("C", ""),
)
serial_number = Instrument.measurement("SERIAL?", """Get the serial number (str).""", cast=str)
software_version = Instrument.measurement("SOFTVER?", """Get the software version (str).""",
cast=str)
def get_operation_times(self):
"""Get the operation times in minutes as a dictionary."""
self.write("TIMERS?")
timers = {}
timers['psu'] = int(re.search(r"\d+", self.read()).group())
timers['laser'] = int(re.search(r"\d+", self.read()).group())
timers['laser_above_1A'] = int(re.search(r"\d+", self.read()).group())
self.read() # an empty line is at the end.
return timers
def disable_emission(self):
"""Disable emission and unlock the button afterwards.
You have to press the physical button to enable emission again.
"""
self.ask("LASER=OFF")
self.ask("LASER=ON") # unlocks emission button, does NOT start emission!
def check_set_errors(self):
"""Check for errors after having set a property and log them.
Called if :code:`check_set_errors=True` is set for that property.
:return: List of error entries.
"""
response = self.read()
return [] if response == "" else [response]
|
