linse/frappy
0
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

WIP frappy_psi/tdkpower

Browse Source 
Change-Id: I80d1beb0fae2a1cdd2aa5fabc5d31c651c2cb3e7
This commit is contained in:
zolliker 2025-04-08 08:32:26 +02:00
parent 343ce90321
commit 42e40db14b
1 changed files with 25 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
frappy_psi/tdkpower.py
View File

@ -17,9 +17,11 @@
# Markus Zolliker <markus.zolliker@psi.ch>
# Leon Zimmermann <leon.zimmermann@psi.ch>
# *****************************************************************************
"""Powersupply TDK-Lambda GEN8-400-1P230"""
"""Powersupply TDK-Lambda GEN8-400-3P400"""
from frappy.core import StringIO, Readable, Parameter, Writable, HasIO
from frappy.datatypes import BoolType, EnumType, FloatRange
from frappy.core import StringIO, Readable, Parameter, FloatRange, Writable, HasIO, BoolType
class IO(StringIO):
end_of_line = ('OK\r', '\r')
@ -40,8 +42,12 @@ class Power(HasIO, Readable):
class Output(HasIO, Writable):
value = Parameter(datatype=FloatRange(0,100,unit='%'))
target = Parameter(datatype=FloatRange(0,100,unit='%'))
maxvolt = Parameter('voltage at 100%',datatype=FloatRange(0,8,unit='V'),readonly=False)
maxcurrent = Parameter('current at 100%',datatype=FloatRange(0,400,unit='A'),readonly=False)
mode = Parameter('regulation mode', EnumType(voltage=1, current=2, both=3),
default='voltage', readonly=False)
maxvolt = Parameter('voltage at 100%',
datatype=FloatRange(0,8,unit='V'), readonly=False)
maxcurrent = Parameter('current at 100%',
datatype=FloatRange(0,400,unit='A'), readonly=False)
output_enable = Parameter('control on/off', BoolType(), readonly=False)
def initModule(self):
@ -49,11 +55,22 @@ class Output(HasIO, Writable):
self.write_output_enable(False)
def write_target(self, target):
self.write_output_enable(target != 0)
self.communicate(f'PV {target*self.maxvolt:.5f}')
self.communicate(f'PC {target*self.maxcurrent:.5f}')
# take care of proper order
if target == 0:
self.write_output_enable(False)
prev_curr = self.communicate(f'PC?')
volt = self.maxvolt if self.mode == 'current' else self.maxvolt * 0.01 * target
curr = self.maxcurrent if self.mode == 'voltage' else self.maxcurrent * 0.01 * target
if curr < prev_curr:
self.communicate(f'PC {curr:.6g}')
self.communicate(f'PV {volt:.6g}')
else:
self.communicate(f'PV {volt:.6g}')
self.communicate(f'PC {curr:.6g}')
if target:
self.write_output_enable(True)
self.value = target
def write_output_enable(self, value):
self.communicate(f'OUT {int(value)}')