Adapt sim_* cfg's to current syntax

+ make 'limit' usable as type in cfg files
+ minor fixes

Change-Id: Ib94b2645c7a0d978d64d4c86c4415d4b5b0d485f
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/21485
Tested-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>

cfg/sim_mlz_htf02.cfg

@@ -3,7 +3,6 @@ description = [sim] htf02 box of MLZ Sample environment group
 	.
 	Controls an High Temperature Furnace with an eurotherm controller and an PLC checking the cooing water.
 
-.meaning={'T_regulation':{'T_htf02':100}, 'T_sample':{'T_htf02':100}}
 
 [interface tcp]
 type=tcp
@@ -15,20 +14,20 @@ class=secop.simulation.SimDrivable
 .description=Main temperature control node of htf02.
 	.
 	Controls the regulation loop of the Eurotherm.
-value.unit='degC'
+value.datatype={"type":"double", "min":0, "unit":"degC"}
 value.default=300
-target.datatype=["double", 0, 2000]
+target.datatype={"type":"double", "min":0, "max": 2000, "unit":"degC"}
 target.default=300
-target.unit='degC'
 .extra_params=ramp
-ramp.datatype=["double",0,600]
+ramp.datatype={"type":"double", "min":0, "max": 600, "unit":"K/min"}
 ramp.description=target ramping speed in K/min.
 ramp.default=60
-ramp.unit=K/min
+ramp.readonly=False
+.meaning=["temperature", 10]
 
 [module htf02_p]
 class=secop.simulation.SimReadable
 .description=Pressure Sensor at sample space (ivc).
+value.datatype={"type":"double", "min":0, "unit":"mbar"}
 value.default=989
-value.unit='mbar'