#!/usr/bin/env python2
# -*- coding: utf-8 -*-
#
# Copyright 2012-2017 Frédéric Magniette, Miguel Rubio-Roy
# This file is part of Pyrame.
#
# Pyrame is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrame is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrame. If not, see <http://www.gnu.org/licenses/>
import scpi
# CLASS ##########################################################
class la_gen8_90_class(scpi.scpi):
# Available channels
channels=["1"] # one channel
def __init__(self):
super(la_gen8_90_class,self).__init__("la_gen8_90")
def config(self,la_gen8_90_id):
command="SYST:ERR:ENAB"
return super(la_gen8_90_class,self).config(la_gen8_90_id,command)
def set_voltage(self,la_gen8_90_id,voltage):
command= r"SOUR:CURR {current:.4f}\n"
command+=r"SOUR:VOLT {voltage:.4f}"
return super(la_gen8_90_class,self).set_voltage(la_gen8_90_id,voltage,command)
def set_current(self,la_gen8_90_id,current):
command= r"SOUR:VOLT {voltage:.4f}\n"
command+=r"SOUR:CURR {current:.4f}"
return super(la_gen8_90_class,self).set_current(la_gen8_90_id,current,command)
def set_voltage_limit(self,la_gen8_90_id,voltage_limit):
command= r"SOUR:VOLT:PROT:LEV {ovp:.4f}\n".format(ovp=voltage_limit*1.05)
command+=r"SOUR:VOLT {voltage_limit:.4f}"
return super(la_gen8_90_class,self).set_voltage_limit(la_gen8_90_id,voltage_limit,command)
def set_current_limit(self,la_gen8_90_id,current_limit):
command=r"SOUR:CURR {current_limit:.4f}"
return super(la_gen8_90_class,self).set_current_limit(la_gen8_90_id,current_limit,command)
def get_voltage(self,la_gen8_90_id):
query=r"MEAS:VOLT?"
return self.simple_query(la_gen8_90_id,query)
def get_current(self,la_gen8_90_id):
query=r"MEAS:CURR?"
return self.simple_query(la_gen8_90_id,query)
def power_on(self,la_gen8_90_id):
command="OUTP:STAT ON"
return self.simple_command(la_gen8_90_id,command)
def power_off(self,la_gen8_90_id):
command="OUTP:STAT OFF"
return self.simple_command(la_gen8_90_id,command)
# CREATE POOL ####################################################
me=la_gen8_90_class()
# COMMANDS #######################################################
[docs]def init_la_gen8_90(la_gen8_90_id,conf_string):
"""Initialize la_gen8_90 power supply identified by *la_gen8_90_id*
*conf_string* must include the parameter:
- bus: conf_string of the underlying link module (GPIB, TCP, ...)
- channel: channel on which the id will act"""
return me.init(la_gen8_90_id,conf_string)
[docs]def deinit_la_gen8_90(la_gen8_90_id):
"Deinitialize an la_gen8_90"
return me.deinit(la_gen8_90_id)
[docs]def config_la_gen8_90(la_gen8_90_id):
"Configure an la_gen8_90"
return me.config(la_gen8_90_id)
[docs]def inval_la_gen8_90(la_gen8_90_id):
"Invalidate an la_gen8_90"
return me.inval(la_gen8_90_id)
[docs]def reset_la_gen8_90(la_gen8_90_id):
"Send RST signal to PS"
return me.reset(la_gen8_90_id)
[docs]def set_voltage_la_gen8_90(la_gen8_90_id,voltage):
"Set voltage in Volts."
return me.set_voltage(la_gen8_90_id,voltage)
[docs]def set_current_la_gen8_90(la_gen8_90_id,current):
"Set current in Ampers."
return me.set_current(la_gen8_90_id,current)
[docs]def set_voltage_limit_la_gen8_90(la_gen8_90_id,voltage_limit):
"Set voltage limit in Volts. The Over Voltage Protection will be set to 105% of the supplied value."
return me.set_voltage_limit(la_gen8_90_id,voltage_limit)
[docs]def set_current_limit_la_gen8_90(la_gen8_90_id,current_limit):
"Set current limit in Ampers."
return me.set_current_limit(la_gen8_90_id,current_limit)
[docs]def get_voltage_la_gen8_90(la_gen8_90_id):
"Get voltage in Volts."
return me.get_voltage(la_gen8_90_id)
[docs]def get_current_la_gen8_90(la_gen8_90_id):
"Get current in Ampers."
return me.get_current(la_gen8_90_id)
[docs]def power_on_la_gen8_90(la_gen8_90_id):
"Turn on."
return me.power_on(la_gen8_90_id)
[docs]def power_off_la_gen8_90(la_gen8_90_id):
"Turn off."
return me.power_off(la_gen8_90_id)
[docs]def free_command_la_gen8_90(la_gen8_90_id,command):
"Send a raw command to the PS"
return me.free_command(la_gen8_90_id,command)
[docs]def get_error_queue_la_gen8_90(la_gen8_90_id):
"Read error queue until the end (code 0)"
return me.get_error_queue(la_gen8_90_id)
