Files
ncs/script/power-supply.py
boccioli_m bdd69f4041 Closedown
2015-06-09 12:04:36 +02:00

81 lines
2.3 KiB
Python

#TODO: Set the diplay names of positioners and detectors
#ManualScan(writables, readables, start = None, end = None, steps = None, relative = False)
#testname
#testName = "Calibrate"
#device name
#deviceName = "RS"
#by default, failed
ret = 'Test failed'
success = False
scan = ManualScan(['time'], ['SetVA', 'ActualVA', 'ActualIA'] , [0.0], [20.0], [10])
scan.start()
#Creating channels: dimension 1
#Ramp rate
SetRamp = Channel('PO2DV-NCS-VHQ1:Set-RampA', type = 'd')
#SetRamp = Channel('pw84:ai', type = 'd')
#LinearPositioner SetVA
SetVA = Channel('PO2DV-NCS-VHQ1:Set-VA', type = 'd')
#SetVA = Channel('pw84:ai', type = 'd')
#Timestamp time
#ScalarDetector ActualVA
ActualVA = Channel('PO2DV-NCS-VHQ1:Actual-VA', type = 'd')
#ActualVA = Channel('pw84:ai', type = 'd')
#ScalarDetector ActualIA
ActualIA = Channel('PO2DV-NCS-VHQ1:Actual-IA', type = 'd')
#ActualIA = Channel('pw84:ai', type = 'd')
#Init
SetRamp.put(10.0, timeout=None)
#set voltage to 0
print 'Ramping down power supply to 0V'
SetVA.put(0.0, timeout=None)
#wait up to 2 minutes for voltage to be ~0
for setpoint1 in frange(0.0, 120.0, 1.0, True):
detector2 = ActualVA.get()
if detector2 <= 1.0:
break
sleep(0.5)
#Dimension 1
#LinearPositioner SetVA
print 'Ramping up power supply'
for setpoint1 in frange(0.0, 20.0, 10.0, True):
if setpoint1 > 50.0 or setpoint1 < 0.0:
break
SetVA.put(setpoint1, timeout=None) # TODO: Set appropriate timeout
readback1 = SetVA.get()
if abs(readback1 - setpoint1) > 0.5 : # TODO: Check accuracy
raise Exception('Actor SetVA could not be set to the value ' + str(setpoint1))
break
#scan quickly the output during some seconds
for setpoint2 in range(0, 20):
#Detector time
detector1 = float(java.lang.System.currentTimeMillis())
#Detector ActualVA
detector2 = ActualVA.get()
detector3 = ActualIA.get()
#scan.append ([setpoint1], [readback1], [detector1, detector2])
#append(setpoints, positions, values)
scan.append ([detector1], [detector1], [readback1, detector2, detector3])
sleep( 0.1 ) # Settling time
ret = 'test completed'
success = True
#reset output to 0V
SetVA.put(0.0, timeout=None)
#Closing channels
SetVA.close()
ActualVA.close()
ActualIA.close()
scan.end()