provide setup for MLZ_Amagnet to be used @PSI soon

Also implement lots of fixes and improvements.

fixes: #3381

Change-Id: Ibe6664da00756ae5813b90f190295045808b2ff0

etc/amagnet.cfg

@@ -0,0 +1,103 @@
+[equipment]
+id=MLZ_amagnet(Garfield)
+.visibility=expert
+foo=bar
+
+[interface tcp]
+interface=tcp
+bindto=0.0.0.0
+bindport=10767
+# protocol to use for this interface
+framing=eol
+encoding=demo
+
+[device enable]
+class=secop_mlz.entangle.NamedDigitalOutput
+tangodevice='tango://amagnet.antares.frm2:10000/box/plc/_enable'
+value.datatype=["enum", {'On':1,'Off':0}]
+target.datatype=["enum", {'On':1,'Off':0}]
+.description='Enables to Output of the Powersupply'
+.visibility='advanced'
+
+[device polarity]
+class=secop_mlz.entangle.NamedDigitalOutput
+tangodevice=tango://amagnet.antares.frm2:10000/box/plc/_polarity
+value.datatype=["enum", {'+1':1,'0':0,'-1':-1}]
+target.datatype=["enum", {'+1':1,'0':0,'-1':-1}]
+.description=polarity (+/-) switch
+	
+	there is an interlock in the plc:
+	if there is current, switching polarity is forbidden
+	if polarity is short, powersupply is disabled
+.visibility=advanced
+comtries=50
+
+
+[device symmetry]
+class=secop_mlz.entangle.NamedDigitalOutput
+tangodevice=tango://amagnet.antares.frm2:10000/box/plc/_symmetric
+value.datatype=["enum",{'symmetric':1,'short':0, 'asymmetric':-1}]
+target.datatype=["enum",{'symmetric':1,'short':0, 'asymmetric':-1}]
+.description=par/ser switch selecting (a)symmetric mode
+	
+	symmetric is ser, asymmetric is par
+.visibility=advanced
+
+[device T1]
+class=secop_mlz.entangle.AnalogInput
+tangodevice=tango://amagnet.antares.frm2:10000/box/plc/_t1
+.description=Temperature1 of the coils system
+#warnlimits=(0, 50)
+#unit=degC
+
+[device T2]
+class=secop_mlz.entangle.AnalogInput
+tangodevice=tango://amagnet.antares.frm2:10000/box/plc/_t2
+.description=Temperature2 of the coils system
+#warnlimits=(0, 50)
+#unit=degC
+
+[device T3]
+class=secop_mlz.entangle.AnalogInput
+tangodevice=tango://amagnet.antares.frm2:10000/box/plc/_t3
+.description=Temperature3 of the coils system
+#warnlimits=(0, 50)
+#unit=degC
+
+[device T4]
+class=secop_mlz.entangle.AnalogInput
+tangodevice=tango://amagnet.antares.frm2:10000/box/plc/_t4
+.description=Temperature4 of the coils system
+#warnlimits=(0, 50)
+#unit=degC
+
+[device currentsource]
+class=secop_mlz.entangle.PowerSupply
+tangodevice=tango://amagnet.antares.frm2:10000/box/lambda/curr
+.description=Device for the magnet power supply (current mode)
+abslimits=(0,200)
+speed=1
+ramp=60
+precision=0.02
+current=0
+voltage=10
+#unit=A
+.visibility=advanced
+
+[device mf]
+class=secop_mlz.amagnet.GarfieldMagnet
+.description=magnetic field device, handling polarity switching and stuff
+subdev_currentsource=currentsource
+subdev_enable=enable
+subdev_polswitch=polarity
+subdev_symmetry=symmetry
+#unit=T
+userlimits=(-0.35, 0.35)
+calibrationtable={'symmetric':[0.00186517, 0.0431937, -0.185956, 0.0599757, 0.194042],
+	'short': [0.0, 0.0, 0.0, 0.0, 0.0],
+	'asymmetric':[0.00136154, 0.027454, -0.120951, 0.0495289, 0.110689]}
+.meaning=The magnetic field
+.priority=100
+.visibility=user
+
+abslimits.default=0,0.4