fi furnace: version for first tests

Change-Id: I841bc9dab210bfc907d2ae56c42198c30df9a3a4

cfg/fi_cfg.py

@@ -45,15 +45,14 @@ Mod('T4',
     )
 
 Mod('T',
-    'frappy_psi.picontrol.PI',
+    'frappy_psi.furnace.PIctrl',
-    'controlled Temperature',
+    'controlled temperature ',
-    input_module='T_main',
-    output_module='htr',
     value = Param(unit='degC'),
+    input_module = 'T_htr',
+    output_module = 't_out',
     output_min = 0,
     output_max = 100,
-    # relais='relais',
+    p = 1,
-    p=0.1,
     i = 0.01,
    )
 
@@ -84,7 +83,7 @@ Mod('flowswitch',
     true_level='low',
     )
 
-Mod('interlocks',
+Mod('interlock',
     'frappy_psi.furnace.Interlocks',
     'interlock parameters',
     main_T='T_main',
@@ -97,7 +96,7 @@ Mod('interlocks',
     wall_limit=50,
     main_T_limit = 1400,
     extra_T_limit = 1400,
-    vacuum_limit=0.01,
+    vacuum_limit=0.001,
     )
 
 Mod('p',

frappy/ctrlby.py

@@ -143,6 +143,9 @@ class HasControlledBy(WrapControlledBy):
         # is before HasControlledBy in the method resolution order
         return self.set_target(value)
 
+    def set_off(self):
+        """typically needs to be overridden"""
+
 
 class HasOutputModule:
     """mixin for modules having an output module