diff --git a/cfg/main/ill1_cfg.py b/cfg/main/ill1_cfg.py
index 063e05d..d8de959 100644
--- a/cfg/main/ill1_cfg.py
+++ b/cfg/main/ill1_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ill2_cfg.py b/cfg/main/ill2_cfg.py
index 5740514..9775d63 100644
--- a/cfg/main/ill2_cfg.py
+++ b/cfg/main/ill2_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ill3_cfg.py b/cfg/main/ill3_cfg.py
index 7403b2c..616e918 100644
--- a/cfg/main/ill3_cfg.py
+++ b/cfg/main/ill3_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ill4_cfg.py b/cfg/main/ill4_cfg.py
index 7fd1369..9fd8928 100644
--- a/cfg/main/ill4_cfg.py
+++ b/cfg/main/ill4_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ill5_cfg.py b/cfg/main/ill5_cfg.py
index 0ce86a4..3e5b907 100644
--- a/cfg/main/ill5_cfg.py
+++ b/cfg/main/ill5_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ill5pgas5_cfg.py b/cfg/main/ill5pgas5_cfg.py
index c71fda1..7c96527 100644
--- a/cfg/main/ill5pgas5_cfg.py
+++ b/cfg/main/ill5pgas5_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('pauto',
diff --git a/cfg/main/ma02_cfg.py b/cfg/main/ma02_cfg.py
index 990c1c9..ec90cf4 100644
--- a/cfg/main/ma02_cfg.py
+++ b/cfg/main/ma02_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ma10_cfg.py b/cfg/main/ma10_cfg.py
index ec7b647..de35d84 100644
--- a/cfg/main/ma10_cfg.py
+++ b/cfg/main/ma10_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ma10high_t_cfg.py b/cfg/main/ma10high_t_cfg.py
index a700699..29edd9a 100644
--- a/cfg/main/ma10high_t_cfg.py
+++ b/cfg/main/ma10high_t_cfg.py
@@ -22,7 +22,7 @@ Mod('tm',
     'frappy_psi.sea.SeaDrivable', '',
     io='sea_main',
     sea_object='tt',
-    rel_paths=['tm', 'set']
+    rel_paths=['tm', '.', 'set']
 )
 
 Mod('ts',
diff --git a/cfg/main/ma11_cfg.py b/cfg/main/ma11_cfg.py
index 705c4da..bc3de92 100644
--- a/cfg/main/ma11_cfg.py
+++ b/cfg/main/ma11_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ma15_cfg.py b/cfg/main/ma15_cfg.py
index 0177878..aa469a3 100644
--- a/cfg/main/ma15_cfg.py
+++ b/cfg/main/ma15_cfg.py
@@ -12,7 +12,7 @@ Mod('tt',
     io = 'sea_main',
     meaning=['temperature_regulation', 20],
     sea_object = 'tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 Mod('cc',
     'frappy_psi.sea.SeaReadable', '',
diff --git a/cfg/main/ma6_cfg.py b/cfg/main/ma6_cfg.py
index cf30516..ce9683d 100644
--- a/cfg/main/ma6_cfg.py
+++ b/cfg/main/ma6_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ma6_sampleheat_cfg.py b/cfg/main/ma6_sampleheat_cfg.py
index 35dc0aa..880db4e 100644
--- a/cfg/main/ma6_sampleheat_cfg.py
+++ b/cfg/main/ma6_sampleheat_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('th',
diff --git a/cfg/main/ma7_cfg.py b/cfg/main/ma7_cfg.py
index 32cef59..33c869b 100644
--- a/cfg/main/ma7_cfg.py
+++ b/cfg/main/ma7_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ma7_piezo_cfg.py b/cfg/main/ma7_piezo_cfg.py
index dee463d..dfb45ae 100644
--- a/cfg/main/ma7_piezo_cfg.py
+++ b/cfg/main/ma7_piezo_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl', 'voltage'],
+    rel_paths=['tm', '.', 'set', 'dblctrl', 'voltage'],
     extra_modules=['manualpower'],
 )
 
diff --git a/cfg/main/ma7_sampleheat_cfg.py b/cfg/main/ma7_sampleheat_cfg.py
index ca59d01..b209d90 100644
--- a/cfg/main/ma7_sampleheat_cfg.py
+++ b/cfg/main/ma7_sampleheat_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
     )
 
 Mod('th',
diff --git a/cfg/main/ma7_thermalc_cfg.py b/cfg/main/ma7_thermalc_cfg.py
index f84dd60..a98d6b8 100644
--- a/cfg/main/ma7_thermalc_cfg.py
+++ b/cfg/main/ma7_thermalc_cfg.py
@@ -19,7 +19,7 @@ Mod('tt',
     meaning=['temperature_regulation', 20],
     io='sea_main',
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('th',
diff --git a/cfg/main/ma7two_cfg.py b/cfg/main/ma7two_cfg.py
index 95556e9..35f8b6a 100644
--- a/cfg/main/ma7two_cfg.py
+++ b/cfg/main/ma7two_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ori2_cfg.py b/cfg/main/ori2_cfg.py
index efa1a0a..92e1a97 100644
--- a/cfg/main/ori2_cfg.py
+++ b/cfg/main/ori2_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ori3_cfg.py b/cfg/main/ori3_cfg.py
index 1d1269e..0ff0e3e 100644
--- a/cfg/main/ori3_cfg.py
+++ b/cfg/main/ori3_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ori4_cfg.py b/cfg/main/ori4_cfg.py
index 0c4f893..40c2c0c 100644
--- a/cfg/main/ori4_cfg.py
+++ b/cfg/main/ori4_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ori6_cfg.py b/cfg/main/ori6_cfg.py
index 810d1f9..b4e18ca 100644
--- a/cfg/main/ori6_cfg.py
+++ b/cfg/main/ori6_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/ori7_cfg.py b/cfg/main/ori7_cfg.py
index ca029d9..5bcdd8b 100644
--- a/cfg/main/ori7_cfg.py
+++ b/cfg/main/ori7_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io = 'sea_main',
     meaning=['temperature_regulation', 20],
     sea_object = 'tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/main/variox_cfg.py b/cfg/main/variox_cfg.py
index c80491f..ac0bb5e 100644
--- a/cfg/main/variox_cfg.py
+++ b/cfg/main/variox_cfg.py
@@ -14,7 +14,7 @@ Mod('tt',
     io='sea_main',
     meaning=['temperature_regulation', 20],
     sea_object='tt',
-    rel_paths=['tm', 'set', 'dblctrl'],
+    rel_paths=['tm', '.', 'set', 'dblctrl'],
 )
 
 Mod('cc',
diff --git a/cfg/sea/ma02.config.json b/cfg/sea/ma02.config.json
index 846fa61..b46582f 100644
--- a/cfg/sea/ma02.config.json
+++ b/cfg/sea/ma02.config.json
@@ -269,7 +269,7 @@
 {"path": "custompar", "type": "float", "readonly": false, "cmd": "hemot custompar"}]},
 
 "mf": {"base": "/mf", "params": [
-{"path": "", "type": "float", "kids": 26},
+{"path": "", "type": "float", "cmd": "run mf", "kids": 26},
 {"path": "persmode", "type": "int", "readonly": false, "cmd": "mf persmode"},
 {"path": "perswitch", "type": "int"},
 {"path": "nowait", "type": "int", "readonly": false, "cmd": "mf nowait"},
diff --git a/cfg/sea/ma11.config.json b/cfg/sea/ma11.config.json
index 7f24d45..b57a2cc 100644
--- a/cfg/sea/ma11.config.json
+++ b/cfg/sea/ma11.config.json
@@ -1,4 +1,5 @@
-{"tt": {"base": "/tt", "params": [{"path": "", "type": "float", "readonly": false, "cmd": "run tt", "description": "tt", "kids": 18},
+{"tt": {"base": "/tt", "params": [
+{"path": "", "type": "float", "readonly": false, "cmd": "run tt", "description": "tt", "kids": 18},
 {"path": "send", "type": "text", "readonly": false, "cmd": "tt send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "is_running", "type": "int", "readonly": false, "cmd": "tt is_running", "visibility": 3},
@@ -85,7 +86,10 @@
 {"path": "setsamp/integ", "type": "float", "readonly": false, "cmd": "tt setsamp/integ", "description": "bigger means faster"},
 {"path": "setsamp/deriv", "type": "float", "readonly": false, "cmd": "tt setsamp/deriv"},
 {"path": "display", "type": "text", "readonly": false, "cmd": "tt display"},
-{"path": "remote", "type": "bool"}]}, "cc": {"base": "/cc", "params": [{"path": "", "type": "bool", "kids": 96},
+{"path": "remote", "type": "bool"}]},
+
+"cc": {"base": "/cc", "params": [
+{"path": "", "type": "bool", "kids": 96},
 {"path": "send", "type": "text", "readonly": false, "cmd": "cc send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "autodevice", "type": "bool", "readonly": false, "cmd": "cc autodevice"},
@@ -181,7 +185,10 @@
 {"path": "tm", "type": "float", "visibility": 3},
 {"path": "tv", "type": "float", "visibility": 3},
 {"path": "tq", "type": "float", "visibility": 3},
-{"path": "bdl", "type": "float", "readonly": false, "cmd": "cc bdl"}]}, "nv": {"base": "/nv", "params": [{"path": "", "type": "enum", "enum": {"fixed": 0, "controlled": 1, "automatic": 2, "close": 3, "open": 4}, "readonly": false, "cmd": "nv", "kids": 11},
+{"path": "bdl", "type": "float", "readonly": false, "cmd": "cc bdl"}]},
+
+"nv": {"base": "/nv", "params": [
+{"path": "", "type": "enum", "enum": {"fixed": 0, "controlled": 1, "automatic": 2, "close": 3, "open": 4}, "readonly": false, "cmd": "nv", "kids": 11},
 {"path": "send", "type": "text", "readonly": false, "cmd": "nv send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "motstat", "type": "enum", "enum": {"idle": 0, "opening": 1, "closing": 2, "opened": 3, "closed": 4, "no_motor": 5}},
@@ -231,7 +238,11 @@
 {"path": "autoflow/flowtarget", "type": "float"},
 {"path": "calib", "type": "none", "kids": 2},
 {"path": "calib/ln_per_min_per_mbar", "type": "float", "readonly": false, "cmd": "nv calib/ln_per_min_per_mbar"},
-{"path": "calib/mbar_offset", "type": "float", "readonly": false, "cmd": "nv calib/mbar_offset"}]}, "hepump": {"base": "/hepump", "params": [{"path": "", "type": "enum", "enum": {"neodry": 8, "xds35_auto": 0, "xds35_manual": 1, "sv65": 2, "other": 3, "no": -1}, "readonly": false, "cmd": "hepump", "description": "xds35: scroll pump, sv65: leybold", "kids": 9},
+{"path": "calib/mbar_offset", "type": "float", "readonly": false, "cmd": "nv calib/mbar_offset"}]},
+
+
+"hepump": {"base": "/hepump", "params": [
+{"path": "", "type": "enum", "enum": {"neodry": 8, "xds35_auto": 0, "xds35_manual": 1, "sv65": 2, "other": 3, "no": -1}, "readonly": false, "cmd": "hepump", "description": "xds35: scroll pump, sv65: leybold", "kids": 9},
 {"path": "send", "type": "text", "readonly": false, "cmd": "hepump send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "running", "type": "bool", "readonly": false, "cmd": "hepump running"},
@@ -239,7 +250,10 @@
 {"path": "auto", "type": "bool", "readonly": false, "cmd": "hepump auto"},
 {"path": "valve", "type": "enum", "enum": {"closed": 0, "closing": 1, "opening": 2, "opened": 3, "undefined": 4}, "readonly": false, "cmd": "hepump valve"},
 {"path": "eco_t_lim", "type": "float", "readonly": false, "cmd": "hepump eco_t_lim", "description": "switch off eco mode when T_set < eco_t_lim and T < eco_t_lim * 2"},
-{"path": "calib", "type": "float", "readonly": false, "cmd": "hepump calib", "visibility": 3}]}, "hemot": {"base": "/hepump/hemot", "params": [{"path": "", "type": "float", "readonly": false, "cmd": "run hemot", "kids": 30},
+{"path": "calib", "type": "float", "readonly": false, "cmd": "hepump calib", "visibility": 3}]},
+
+"hemot": {"base": "/hepump/hemot", "params": [
+{"path": "", "type": "float", "readonly": false, "cmd": "run hemot", "kids": 30},
 {"path": "send", "type": "text", "readonly": false, "cmd": "hemot send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "is_running", "type": "int", "readonly": false, "cmd": "hemot is_running", "visibility": 3},
@@ -270,7 +284,8 @@
 {"path": "eeprom", "type": "enum", "enum": {"ok": 0, "dirty": 1, "save": 2, "load": 3}, "readonly": false, "cmd": "hemot eeprom"},
 {"path": "customadr", "type": "text", "readonly": false, "cmd": "hemot customadr"},
 {"path": "custompar", "type": "float", "readonly": false, "cmd": "hemot custompar"}]},
-"ln2fill": {"base": "/ln2fill", "params": [
+"
+ln2fill": {"base": "/ln2fill", "params": [
 {"path": "", "type": "enum", "enum": {"watching": 0, "fill": 1, "inactive": 2}, "readonly": false, "cmd": "ln2fill", "kids": 14},
 {"path": "send", "type": "text", "readonly": false, "cmd": "ln2fill send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
@@ -285,7 +300,10 @@
 {"path": "maxholdhours", "type": "float", "readonly": false, "cmd": "ln2fill maxholdhours"},
 {"path": "tolerance", "type": "float", "readonly": false, "cmd": "ln2fill tolerance"},
 {"path": "badreadingminutes", "type": "float", "readonly": false, "cmd": "ln2fill badreadingminutes"},
-{"path": "tubecoolingminutes", "type": "float", "readonly": false, "cmd": "ln2fill tubecoolingminutes"}]}, "hefill": {"base": "/hefill", "params": [{"path": "", "type": "enum", "enum": {"watching": 0, "fill": 1, "inactive": 2}, "readonly": false, "cmd": "hefill", "kids": 16},
+{"path": "tubecoolingminutes", "type": "float", "readonly": false, "cmd": "ln2fill tubecoolingminutes"}]},
+
+"hefill": {"base": "/hefill", "params": [
+{"path": "", "type": "enum", "enum": {"watching": 0, "fill": 1, "inactive": 2}, "readonly": false, "cmd": "hefill", "kids": 16},
 {"path": "send", "type": "text", "readonly": false, "cmd": "hefill send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "state", "type": "text"},
@@ -301,11 +319,17 @@
 {"path": "badreadingminutes", "type": "float", "readonly": false, "cmd": "hefill badreadingminutes"},
 {"path": "tubecoolingminutes", "type": "float", "readonly": false, "cmd": "hefill tubecoolingminutes"},
 {"path": "vessellimit", "type": "float", "readonly": false, "cmd": "hefill vessellimit"},
-{"path": "vext", "type": "float"}]}, "lev": {"base": "/lev", "params": [{"path": "", "type": "float", "kids": 4},
+{"path": "vext", "type": "float"}]},
+
+"lev": {"base": "/lev", "params": [
+{"path": "", "type": "float", "kids": 4},
 {"path": "send", "type": "text", "readonly": false, "cmd": "lev send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "mode", "type": "enum", "enum": {"slow": 0, "fast (switches to slow automatically after filling)": 1}, "readonly": false, "cmd": "lev mode"},
-{"path": "n2", "type": "float"}]}, "mf": {"base": "/mf", "params": [{"path": "", "type": "float", "kids": 26},
+{"path": "n2", "type": "float"}]},
+
+"mf": {"base": "/mf", "params": [
+{"path": "", "type": "float", "cmd": "run mf", "kids": 26},
 {"path": "persmode", "type": "int", "readonly": false, "cmd": "mf persmode"},
 {"path": "perswitch", "type": "int"},
 {"path": "nowait", "type": "int", "readonly": false, "cmd": "mf nowait"},
@@ -330,7 +354,10 @@
 {"path": "driver", "type": "text", "visibility": 3},
 {"path": "creationCmd", "type": "text", "visibility": 3},
 {"path": "targetValue", "type": "float"},
-{"path": "status", "type": "text", "readonly": false, "cmd": "mf status", "visibility": 3}]}, "tcoil": {"base": "/tcoil", "params": [{"path": "", "type": "float", "kids": 11},
+{"path": "status", "type": "text", "readonly": false, "cmd": "mf status", "visibility": 3}]},
+
+"tcoil": {"base": "/tcoil", "params": [
+{"path": "", "type": "float", "kids": 11},
 {"path": "send", "type": "text", "readonly": false, "cmd": "tcoil send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "excitation", "type": "float", "readonly": false, "cmd": "tcoil excitation", "visibility": 3},
@@ -371,7 +398,10 @@
 {"path": "ref/curve/cpoints", "type": "floatvarar", "readonly": false, "cmd": "tcoil ref/curve/cpoints"},
 {"path": "ext", "type": "float", "visibility": 3},
 {"path": "com", "type": "float", "visibility": 3},
-{"path": "gnd", "type": "float", "visibility": 3}]}, "table": {"base": "/table", "params": [{"path": "", "type": "none", "kids": 17},
+{"path": "gnd", "type": "float", "visibility": 3}]},
+
+"table": {"base": "/table", "params": [
+{"path": "", "type": "none", "kids": 17},
 {"path": "send", "type": "text", "readonly": false, "cmd": "table send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "fix_tt_set_prop", "type": "bool", "readonly": false, "cmd": "table fix_tt_set_prop"},
@@ -388,8 +418,14 @@
 {"path": "tbl_tt_dblctrl_prop_up", "type": "text", "readonly": false, "cmd": "table tbl_tt_dblctrl_prop_up", "description": "enter value pair separated with colon T1:par1 T2:par2 ..."},
 {"path": "fix_tt_dblctrl_prop_lo", "type": "bool", "readonly": false, "cmd": "table fix_tt_dblctrl_prop_lo"},
 {"path": "val_tt_dblctrl_prop_lo", "type": "float"},
-{"path": "tbl_tt_dblctrl_prop_lo", "type": "text", "readonly": false, "cmd": "table tbl_tt_dblctrl_prop_lo", "description": "enter value pair separated with colon T1:par1 T2:par2 ..."}]}, "ccu2": {"base": "/sics/ccu2", "params": [{"path": "", "type": "text", "readonly": false, "cmd": "ccu2", "kids": 23},
-{"path": "tasks", "type": "none", "visibility": 3}]}, "lnv": {"base": "/lnv", "params": [{"path": "", "type": "enum", "enum": {"off": 5, "fixed": 0, "controlling": 1, "close": 3, "open": 4}, "readonly": false, "cmd": "lnv", "kids": 12},
+{"path": "tbl_tt_dblctrl_prop_lo", "type": "text", "readonly": false, "cmd": "table tbl_tt_dblctrl_prop_lo", "description": "enter value pair separated with colon T1:par1 T2:par2 ..."}]},
+
+"ccu2": {"base": "/sics/ccu2", "params": [
+{"path": "", "type": "text", "readonly": false, "cmd": "ccu2", "kids": 23},
+{"path": "tasks", "type": "none", "visibility": 3}]},
+
+"lnv": {"base": "/lnv", "params": [
+{"path": "", "type": "enum", "enum": {"off": 5, "fixed": 0, "controlling": 1, "close": 3, "open": 4}, "readonly": false, "cmd": "lnv", "kids": 12},
 {"path": "send", "type": "text", "readonly": false, "cmd": "lnv send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "set", "type": "float", "readonly": false, "cmd": "lnv set"},
@@ -427,7 +463,10 @@
 {"path": "autoflow/difmax", "type": "float"},
 {"path": "autoflow/setmin", "type": "float"},
 {"path": "autoflow/setmax", "type": "float"},
-{"path": "autoflow/flowtarget", "type": "float"}]}, "lpr": {"base": "/lpr", "params": [{"path": "", "type": "float", "readonly": false, "cmd": "run lpr", "description": "lpr", "kids": 28},
+{"path": "autoflow/flowtarget", "type": "float"}]},
+
+"lpr": {"base": "/lpr", "params": [
+{"path": "", "type": "float", "readonly": false, "cmd": "run lpr", "description": "lpr", "kids": 28},
 {"path": "send", "type": "text", "readonly": false, "cmd": "lpr send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "is_running", "type": "int", "readonly": false, "cmd": "lpr is_running", "visibility": 3},
@@ -455,12 +494,13 @@
 {"path": "running", "type": "int"},
 {"path": "tolerance", "type": "float", "readonly": false, "cmd": "lpr tolerance"},
 {"path": "maxwait", "type": "float", "readonly": false, "cmd": "lpr maxwait"},
-{"path": "settle", "type": "float", "readonly": false, "cmd": "lpr settle"}]}, "lambdawatch": {"base": "/lambdawatch", "params": [{"path": "", "type": "float", "kids": 6},
+{"path": "settle", "type": "float", "readonly": false, "cmd": "lpr settle"}]},
+
+"lambdawatch": {"base": "/lambdawatch", "params": [
+{"path": "", "type": "float", "kids": 6},
 {"path": "send", "type": "text", "readonly": false, "cmd": "lambdawatch send", "visibility": 3},
 {"path": "status", "type": "text", "visibility": 3},
 {"path": "safefield", "type": "float", "readonly": false, "cmd": "lambdawatch safefield"},
 {"path": "maxfield", "type": "float", "readonly": false, "cmd": "lambdawatch maxfield"},
 {"path": "safetemp", "type": "float", "readonly": false, "cmd": "lambdawatch safetemp"},
-{"path": "coiltemp", "type": "text", "readonly": false, "cmd": "lambdawatch coiltemp"}]}, "prep0": {"base": "/prep0", "params": [{"path": "", "type": "text", "readonly": false, "cmd": "prep0", "kids": 2},
-{"path": "send", "type": "text", "readonly": false, "cmd": "prep0 send", "visibility": 3},
-{"path": "status", "type": "text", "visibility": 3}]}}
+{"path": "coiltemp", "type": "text", "readonly": false, "cmd": "lambdawatch coiltemp"}]}}
diff --git a/frappy_psi/sea.py b/frappy_psi/sea.py
index 683019a..147b24d 100644
--- a/frappy_psi/sea.py
+++ b/frappy_psi/sea.py
@@ -40,7 +40,8 @@ from frappy.client import ProxyClient
 from frappy.datatypes import ArrayOf, BoolType, \
     EnumType, FloatRange, IntRange, StringType, StatusType
 from frappy.core import IDLE, BUSY, WARN, ERROR, DISABLED
-from frappy.errors import ConfigError, HardwareError, ReadFailedError, CommunicationFailedError
+from frappy.errors import ConfigError, HardwareError, ReadFailedError, \
+    CommunicationFailedError, ProgrammingError
 from frappy.lib import generalConfig, mkthread, lazy_property
 from frappy.lib.asynconn import AsynConn, ConnectionClosed
 from frappy.modulebase import Done
@@ -473,81 +474,105 @@ class SeaModule(Module):
         json_file = cfgdict.pop('json_file', None) or SeaClient.default_json_file[cfgdict['io']]
         visibility_level = cfgdict.pop('visibility_level', 2)
 
+        drive_cmd = None
         single_module = cfgdict.pop('single_module', None)
         if single_module:
             sea_object, base, paramdesc = extra_modules[single_module]
             params = [paramdesc]
             paramdesc['key'] = 'value'
-            if issubclass(cls, SeaWritable):
+            if issubclass(cls, SeaWritable):  # and not SeaDrivable!
                 if paramdesc.get('readonly', True):
                     raise ConfigError(f"{sea_object}/{paramdesc['path']} is not writable")
                 params.insert(0, paramdesc.copy())  # copy value
                 paramdesc['key'] = 'target'
                 paramdesc['readonly'] = False
             extra_module_set = ()
-            if 'description' not in cfgdict:
+            if not cfgdict.get('description'):
                 cfgdict['description'] = f'{single_module}@{json_file}'
         else:
             sea_object = cfgdict.pop('sea_object')
-            rel_paths = cfgdict.pop('rel_paths', '.')
-            if 'description' not in cfgdict:
+            rel_paths = cfgdict.pop('rel_paths', None)
+            # rel_paths:
+            # a list of sub nodes to look for parameters
+            # '.' denotes the main path
+            # Readable: the main value is taken from the first subpath
+            # Writable/Drivable:
+            #  - read the target value: <sicsobj> target
+            #  - writing the target value: cmd from base path
+            if not cfgdict.get('description'):
                 cfgdict['description'] = '%s@%s%s' % (
-                    name, json_file, '' if rel_paths == '.' else f' (rel_paths={rel_paths})')
+                    name, json_file, '' if rel_paths is None else f' (rel_paths={rel_paths})')
 
             with (seaconfig.dir / json_file).open(encoding='utf-8') as fp:
                 content = json.load(fp)
                 descr = content[sea_object]
-            if rel_paths == '*' or not rel_paths:
-                # take all
-                main = descr['params'][0]
-                if issubclass(cls, Readable):
-                    # assert main['path'] == ''  # TODO: check cases where this fails
-                    main['key'] = 'value'
-                else:
-                    descr['params'].pop(0)
-            else:
+            if True:
                 # filter by relative paths
-                result = []
-                is_running = None
-                for rpath in rel_paths:
-                    include = True
-                    for paramdesc in descr['params']:
-                        path = paramdesc['path']
-                        if path.endswith('is_running') and issubclass(cls, Drivable):
-                            # take this independent of visibility
-                            is_running = paramdesc
-                            continue
-                        if paramdesc.get('visibility', 1) > visibility_level:
-                            continue
-                        sub = path.split('/', 1)
-                        if rpath == '.':  # take all except subpaths with readonly node at top
-                            if len(sub) == 1:
-                                include = paramdesc.get('kids', 0) == 0 or not paramdesc.get('readonly', True)
-                            if include or path == '':
-                                result.append(paramdesc)
-                        elif sub[0] == rpath:
-                            result.append(paramdesc)
-                if is_running:  # take this at end
-                    result.append(is_running)
-                descr['params'] = result
-                rel0 = '' if rel_paths[0] == '.' else rel_paths[0]
-                if result[0]['path'] == rel0:
-                    if issubclass(cls, Readable):
-                        result[0]['key'] = 'value'
-                    else:
-                        result.pop(0)
+                if rel_paths:
+                    result = {k: [] for k in rel_paths}
                 else:
-                    logger.error('%s: no value found', name)
+                    params = []
+                is_running = None
+                target_param = None
+                for paramdesc in descr['params']:
+                    path = paramdesc['path']
+                    pathlist = path.split('/')
+                    if pathlist[-1] == 'is_running' and issubclass(cls, Drivable):
+                        # take this independent of visibility
+                        is_running = paramdesc
+                        continue
+                    if pathlist[-1] in ('target', 'targetValue') and issubclass(cls, Writable) and not target_param:
+                        paramdesc['key'] = 'target'
+                        paramdesc['readonly'] = False
+                        target_param = paramdesc
+                    if path == '':
+                        drive_cmd = paramdesc.get('cmd')
+                    elif paramdesc.get('visibility', 1) > visibility_level:
+                        continue
+                    if rel_paths:
+                        sub = path.split('/', 1)
+                        sublist = result.get(sub[0])
+                        if sublist is None:
+                            sublist = result.get('.')
+                            # take all else except subpaths with readonly node at top
+                            if sublist is not None and (
+                                    path == '' or len(sub) == 1 and (
+                                    paramdesc.get('kids', 0) == 0
+                                    or not paramdesc.get('readonly', True))):
+                                sublist.append(paramdesc)
+                        else:
+                            sublist.append(paramdesc)
+                    else:
+                        params.append(paramdesc)
+                if rel_paths:
+                    params = sum(result.values(), [])
+                if is_running:  # take this at end
+                    params.append(is_running)
+                descr['params'] = params
+            main_value = params[0]
+            if issubclass(cls, Readable):
+                if 'key' in main_value:
+                    raise ProgrammingError(f'main_value {main_value!r}')
+                main_value['key'] = 'value'
+            else:
+                params.pop(0)
             base = descr['base']
-            params = descr['params']
-            if issubclass(cls, SeaWritable):
+            if issubclass(cls, SeaWritable):  # and not SeaDrivable!
                 paramdesc = params[0]
-                assert paramdesc['key'] == 'value'
+                if paramdesc.get('key') != 'value':
+                    raise ProgrammingError(f"key of first parameter of {name} must be 'value'")
                 params.append(paramdesc.copy())  # copy value?
                 if paramdesc.get('readonly', True):
                     raise ConfigError(f"{sea_object}/{paramdesc['path']} is not writable")
                 paramdesc['key'] = 'target'
                 paramdesc['readonly'] = False
+
+            elif issubclass(cls, Drivable):
+                if target_param:
+                    if not drive_cmd:
+                        drive_cmd = f'run {name}'
+                        logger.warning('missing cmd in %s, use "run %s"', base, name)
+                    target_param['cmd'] = drive_cmd
             extra_module_set = set(cfgdict.pop('extra_modules', ()))
         path2param = {}
         attributes = {'sea_object': sea_object, 'path2param': path2param}
@@ -559,14 +584,14 @@ class SeaModule(Module):
             attributes['visibility'] = 2
         # check for ambiguous names. candidates are either the last item
         # of the path or the full path (underscore separated)
-        simple_names = {k: 1 for k in cls.accessibles}
+        duplicates = {k: [k] for k in cls.accessibles}
         for paramdesc in params:
             path = paramdesc['path']
             if path:
                 pathlist = path.split('/')
                 if 'key' not in paramdesc:
                     pname = pathlist[-1]
-                    simple_names[pname] = simple_names.get(pname, 0) + 1
+                    duplicates.setdefault(pname, pathlist)
         for paramdesc in params:
             path = paramdesc['path']
             readonly = paramdesc.get('readonly', True)
@@ -583,11 +608,11 @@ class SeaModule(Module):
                 if len(pathlist) > 0:
                     if len(pathlist) == 1:
                         if issubclass(cls, Readable):
-                            kwds['group'] = 'more'
+                            kwds['group'] = 'more_'
                     else:
-                        kwds['group'] = pathlist[-2]
+                        kwds['group'] = pathlist[-2] + '_'
                     # take short name if unique
-                    if simple_names[pathlist[-1]] == 1:
+                    if duplicates[pathlist[-1]] == pathlist:
                         key = pathlist[-1]
                     else:
                         key = '_'.join(pathlist)
@@ -612,14 +637,15 @@ class SeaModule(Module):
             datatype = pobj.datatype
             if issubclass(cls, SeaWritable) and key == 'target':
                 kwds['readonly'] = False
-                attributes['value'] = Parameter(**kwds)
+                attributes['target'] = Parameter(**kwds)
 
             hdbpath = '/'.join([base] + pathlist)
             if key in extra_module_set:
                 extra_modules[name + '.' + key] = sea_object, base, paramdesc
                 continue  # skip this parameter
-            path2param.setdefault(hdbpath, []).append((name, key))
-            attributes[key] = pobj
+            if key is not None:
+                path2param.setdefault(hdbpath, []).append((name, key))
+                attributes[key] = pobj
 
             def rfunc(self, cmd=f'hval {base}/{path}'):
                 reply = self.io.query(cmd, True)
@@ -631,7 +657,7 @@ class SeaModule(Module):
                 return reply
 
             rfunc.poll = False
-            if key != 'status':
+            if key != 'status' and key is not None:
                 attributes['read_' + key] = rfunc
 
             if not readonly:
@@ -645,7 +671,7 @@ class SeaModule(Module):
                     self.io.query(cmd)
                     return Done
 
-                attributes['write_' + key] = wfunc
+                attributes['write_' + (key or 'target')] = wfunc
 
         # create standard parameters like value and status, if not yet there
         for pname, pobj in cls.accessibles.items():
@@ -659,7 +685,11 @@ class SeaModule(Module):
                 pobj.__set_name__(cls, pname)
 
         classname = f'{cls.__name__}_{name}'
-        newcls = type(classname, (cls,), attributes)
+        try:
+            newcls = type(classname, (cls,), attributes)
+        except Exception as e:
+            raise
+        # newcls = type(classname, (cls,), attributes)
         result = Module.__new__(newcls)
         return result