diff --git a/tcl/ccr2ht.config b/tcl/ccr2ht.config
index 20434ef..f921cff 100644
--- a/tcl/ccr2ht.config
+++ b/tcl/ccr2ht.config
@@ -4,7 +4,10 @@ defineTemperature tt
 
 makenv tt -driver [lsdriver] {
   lsc_sensor tm B -sensor pt1000e -sensorname main -alarm 650
-#  lsc_sensor te C -sensor x31318 -sensorname screen
+  lsc_sensor te C -sensor x31318 -sensorname screen
+#  lsc_sensor tk A -sensor x31319 -sensorname coldfinger -alarm 310
+# 2.8.2022 changed tk from ChA to ChD
+#--this is a temporary fix-- needs to be undone when the wiring has been fixed
   lsc_sensor tk A -sensor x31319 -sensorname coldfinger -alarm 310
   lsc_loop set -loop 1 -channel B -maxheater 100W -resist 25Ohm
   if {[lsdriver] eq "336_lsc"} {
diff --git a/tcl/drivers/ccu4.tcl b/tcl/drivers/ccu4.tcl
index 79fe429..8c99f2e 100644
--- a/tcl/drivers/ccu4.tcl
+++ b/tcl/drivers/ccu4.tcl
@@ -385,12 +385,14 @@ proc stdConfig::ccu4 {{title CCU4} args} {
       } elseif {[string match valve* $a]} {
         set nvalve [string range $a 5 end]
         for {set ch 1} {$ch <= 12} {incr ch} {
-          node v$ch upd
+          node v$ch rd -int 10
+          prop read ccu4::readValve v$ch
           prop enum valve_off,valve_on,no_valve,timeout,timeout1,boost
           if {$ch > $nvalve} {
             prop visible false
           }
           node vc$ch out -int
+          prop write ccu4::writeValve v$ch
           prop enum valve_off,valve_on
           if {$ch > $nvalve} {
             prop visible false
@@ -404,6 +406,20 @@ proc stdConfig::ccu4 {{title CCU4} args} {
   return "CCU4"
 } 
 
+proc ccu4::readValve {valve} {
+  # for some strange reason, v... are not queried with '?'
+  # we have to do it here
+  sct send $valve
+  return ccu4::complete
+}
+
+proc ccu4::writeValve {valve} {
+  set res [ccu4::write]
+  # update readback value immediately
+  hupdate [sct parent]/$valve [sct target]
+  return $res
+}
+
 proc ccu4::completeStart {name} {
   set resval(cid) 0
   set resval(cir) ""
diff --git a/tcl/drivers/ccu4flow.tcl b/tcl/drivers/ccu4flow.tcl
index cf6c0ca..ef0bbfe 100644
--- a/tcl/drivers/ccu4flow.tcl
+++ b/tcl/drivers/ccu4flow.tcl
@@ -546,7 +546,7 @@ proc ccu4flow::ctrl {} {
       } elseif {$now < $lastim + $period} {
         # wait
       } else {
-        set slope [expr 0.01 + abs($dif) * $period / [hvali [sct]/ctrl/deriv$_dir]]
+        set slope [expr 0.00 + abs($dif) * $period / [hvali [sct]/ctrl/deriv$_dir]]
         set totalmin ""
         set ddif [format %.2f [expr -($dif - [sct olddif]) * [sct dir]]]
         sct filtered_ddif [expr max(0,[silent 0 sct filtered_ddif] * 0.9 + $ddif * 0.1)]
diff --git a/tcl/drivers/cryotel.tcl b/tcl/drivers/cryotel.tcl
index f4eb3ea..801cdd7 100644
--- a/tcl/drivers/cryotel.tcl
+++ b/tcl/drivers/cryotel.tcl
@@ -26,10 +26,9 @@ proc stdConfig::cryotel {} {
 
     node cool wr
     prop label Cool
-    prop enum on,off
-    prop writecmd "SET SSTOP=%i"
-    prop readcmd "SET SSTOP{2}"
-    prop readfmt "SET SSTOP ,%i"
+    prop enum 1
+    prop write cryotel::writecool
+    prop read cryotel::readcool
 
     node control wr
     default 1
@@ -219,3 +218,23 @@ proc cryotel::checkcontrol {} {
     hsetprop [sct] write stdSct::write
   }
 }
+
+proc cryotel::writecool {} {
+  set flag [expr ! [sct target]]
+  sct send "SET SSTOP=$flag"
+  sct update [sct target]
+  return stdSct::complete
+}
+
+proc cryotel::readcool {} {
+  sct send "SET SSTOP{2}"
+  return cryotelboa::updatecool
+}
+
+proc cryotel::updatecool {} {
+  lassign [split [sct result] ,] _ value
+  sct update [expr $value == 0]
+  return idle
+}
+
+
diff --git a/tcl/drivers/cryotelboa.tcl b/tcl/drivers/cryotelboa.tcl
index f87021c..c86f64a 100644
--- a/tcl/drivers/cryotelboa.tcl
+++ b/tcl/drivers/cryotelboa.tcl
@@ -28,10 +28,9 @@ proc stdConfig::cryotelboa {} {
 
     node cool wr
     prop label Cool
-    prop enum on,off
-    prop writecmd "SET SSTOP=%i"
-    prop readcmd "SET SSTOP{2}"
-    prop readfmt "SET SSTOP ,%i"
+    prop enum 1
+    prop read cryotelboa::readcool
+    prop write cryotelboa::writecool
 
     node control wr
     default 1
@@ -193,3 +192,22 @@ proc cryotelboa::checkcontrol {} {
     sct write stdSct::write
   }
 }
+
+proc cryotelboa::writecool {} {
+  set flag [expr ! [sct target]]
+  sct send "SET SSTOP=$flag"
+  sct update [sct target]
+  return stdSct::complete
+}
+
+proc cryotelboa::readcool {} {
+  sct send "SET SSTOP{2}"
+  return cryotelboa::updatecool
+}
+
+proc cryotelboa::updatecool {} {
+  lassign [split [sct result] ,] _ value
+  sct update [expr $value == 0]
+  return idle
+}
+
diff --git a/tcl/drivers/dil12.tcl b/tcl/drivers/dil12.tcl
index d597878..baef43a 100644
--- a/tcl/drivers/dil12.tcl
+++ b/tcl/drivers/dil12.tcl
@@ -257,6 +257,9 @@ proc stdConfig::dil12 args {
       prop label "remove mixture status"
       prop check dil12::check_removephase
       prop write stdSct::completeUpdate
+
+      node ignore_vti_temp -int par 0
+      prop enum 1
     }
   }
   hset $name/heatermode 0
@@ -993,10 +996,15 @@ proc dil12::autostep {phase init} {
       dil12::openvalves v1 v6 v12 v13 vm_open
 
       sorb mode 0
-      dil12::set_VtiT 1.25
       hset [sct]/onekstate 0
       nv set [silent 5 hvali [sct]/circulateflow]
-      nv 2 ;# auto
+      if {[hval [sct]/ignore_vti_temp]} {
+        dil12::set_VtiT 0
+        nv 1 ;# controlled
+      } else {
+        dil12::set_VtiT 1.25
+        nv 2 ;# auto
+      }
       dil12::msg ""
     }
     circulate {
@@ -1035,7 +1043,11 @@ proc dil12::autostep {phase init} {
               sct optimize [clock seconds]
               clientput "reduced VTI flow to [hvali [sct]/circulateflow]"
               nv set $circulateflow
-              nv 2 ;# auto
+              if {[hval [sct]/ignore_vti_temp]} {
+                nv 1 ;# controlled
+              } else {
+                nv 2 ;# auto
+              }
             }
           } 
         }
diff --git a/tcl/drivers/hepump.tcl b/tcl/drivers/hepump.tcl
index cdb9bd7..5f0a952 100644
--- a/tcl/drivers/hepump.tcl
+++ b/tcl/drivers/hepump.tcl
@@ -204,7 +204,7 @@ proc hepump::check_valve {} {
 }
 
 proc hepump::set_valve {} {
-  if {[sctval [sct parent]] != 0} return
+  if {[sctval [sct parent]] % 8 != 0} {return idle}
   set val [hvali [sct]]
   if {[sct target] < 2} {
     if {[hvali [sct parent]/[sct @motname]/encoder] > 20} {
@@ -238,7 +238,7 @@ proc hepump::slow_close {} {
 }
 
 proc hepump::get_valve {} {
-  if {[sctval [sct parent]] != 0} {return idle}
+  if {[sctval [sct parent]] % 8 != 0} {return idle}
   set p [sct parent]/[sct @motname]
   set stat [hgetpropval $p status]
   set pos [hvali $p/encoder]
@@ -296,7 +296,7 @@ proc hepump::get_valve {} {
 }
 
 proc hepump::chk_running {} {
-  if {[sctval [sct parent]] != 0} return
+  if {[sctval [sct parent]] % 8 != 0} return
   if {[sct target]} {
     hset [sct parent]/[sct @motname]/output0 1
   } else { # off
@@ -314,8 +314,8 @@ proc hepump::chk_running {} {
 }
 
 proc hepump::get_running {} {
-  # only for xds35
-  if {[sctval [sct parent]] != 0} {return idle}
+  # only for xds35 and neodry
+  if {[sctval [sct parent]] % 8 != 0} {return idle}
 
   set running [sctval [sct parent]/[sct @motname]/output0]
   set pumpoff [silent 1 hval [sct parent]/[sct @motname]/input3]
@@ -361,6 +361,7 @@ proc hepump::get_running {} {
 }
 
 proc hepump::set_eco {} {
+  # xds35 only, not for neodry
   if {[sctval [sct parent]] != 0} {return idle}
   if {[sct target] != [hvali [sct]]} {
     hset [sct parent]/auto 0
@@ -374,6 +375,7 @@ proc hepump::set_eco {} {
 }
 
 proc hepump::get_eco {} {
+  # xds35 only, not for neodry
   if {[sctval [sct parent]] != 0} {
     sct update 0
     return idle
@@ -385,11 +387,13 @@ proc hepump::get_eco {} {
 }
 
 proc hepump::set_auto {} {
+  # xds35 only, not for neodry
   if {[sctval [sct parent]] != 0} {return idle}
   sct update [sct target]
 }
 
 proc hepump::get_auto {} {
+  # xds35 only, not for neodry
   if {[sctval [sct parent]] != 0} {return idle}
   set auto [hvali [sct]]
   set oldeco [sctval [sct parent]/eco]
diff --git a/tcl/drivers/secop_4.tcl b/tcl/drivers/secop_4.tcl
index 130a830..9691392 100644
--- a/tcl/drivers/secop_4.tcl
+++ b/tcl/drivers/secop_4.tcl
@@ -758,7 +758,7 @@ proc secop::update_ {} {
     }
     error_update {
       lassign $val etype erepr
-      set etext erepr
+      set etext $erepr
       regexp {.*'(.*)'} $erepr -> etext
       hsetprop $path geterror "${etype}: $etext"
     }
diff --git a/tcl/drivers/trun.tcl b/tcl/drivers/trun.tcl
index 585b0a1..6f679d4 100644
--- a/tcl/drivers/trun.tcl
+++ b/tcl/drivers/trun.tcl
@@ -496,10 +496,12 @@ proc trun::read_run {} {
   }
   set now [DoubleTime]
   set tr [silent none sct target]
+  set prev_tr [silent $tr sct prev_tr]
   if {$tr eq "none"} {
     set tr $tmain
+    sct prev_tr $tr
   } else {
-    set dif [expr abs($tr) - [hvali [sct]/target]]
+    set dif [expr $tr - $prev_tr]
     updateval_u [sct]/target $tr 0
     set dblmode [silent -1 hval [sct]/dblctrl/mode]
     if {$dblmode >= 0} { # not disabled
diff --git a/tcl/flexbox.addon b/tcl/flexbox.addon
new file mode 100644
index 0000000..7c00e54
--- /dev/null
+++ b/tcl/flexbox.addon
@@ -0,0 +1,7 @@
+addonDesc = Coils from MLZ
+
+set ::secop_version 4
+
+makenv secop -driver secop -port flexbox:10767
+
+
diff --git a/tcl/fw.config b/tcl/fw.config
index 5833000..94618aa 100644
--- a/tcl/fw.config
+++ b/tcl/fw.config
@@ -9,7 +9,7 @@ makenv tt -driver 340_lsc -port @lsc340a {
   lsc_sensor t2 D -sensor type-c-k1000 -sensorname t2 -alarm 1805
   # lsc_sensor te B -sensor rhfe4140 -sensorname outer -alarm 323
   lsc_sensor p A -sensor vacuum -sensorname vacuum
-  lsc_loop set -loop 1 -channel D -maxheater 0.05A -resist 1000Ohm -linearpower 3000
+  lsc_loop set -loop 1 -channel C -maxheater 0.05A -resist 1000Ohm -linearpower 3000
   hsetprop /tt dblmode disabled
   hsetprop /tt/dblctrl visible false
   hdelprop /tt/dblctrl group
diff --git a/tcl/jtccr.config b/tcl/jtccr.config
index 9095b19..b029595 100644
--- a/tcl/jtccr.config
+++ b/tcl/jtccr.config
@@ -2,7 +2,7 @@ deviceDesc = CCR with JT-stage
 
 defineTemperature tt
 
-makenv tt -driver [lsdriver]  {
+makenv tt -driver 336_lsc -port jtccr-ls:7777  {
   lsc_sensor main A x63710
   lsc_sensor ccr B x67737
   lsc_loop set -loop 1 -channel A -maxheater 5W -resist 500Ohm
@@ -30,10 +30,6 @@ GraphAdd p4 bar p4 yellow
 makenv -objname pressreg  -driver bronkpreg  -port jtccr-ts:3005  18
 GraphAdd pressreg bar preg magenta 
 
-#makenv -objname v -driver svumot -port jtccr-ts:3006 {
-#  v1 1 v2 2 v3 3 v4 4 v5 5 v6 6 v7 7 v8 mot
-#}
-
 makenv epc epc8210 -port jtccr-ts:3007 {jt-compressor 1 jt-pump 2 ccr-compressor 3}
 
 
@@ -41,8 +37,6 @@ makenv epc epc8210 -port jtccr-ts:3007 {jt-compressor 1 jt-pump 2 ccr-compressor
 #makenv clt -driver loop -invar "/tt" -outvar "v motpos/set" \
 #  -outmin 0.06 -outmax 0.9 -prop -1 -int 20 -maxdelta 10 -precision 0.01
 
-#makeCCU4 jtccr n2 
-
 #makenv n2 n2_ccu ccu
 #appendVars n2.upper/K2/N2_Upper n2.lower/K2/N2_Lower
 
diff --git a/tcl/ma02.config b/tcl/ma02.config
index 97097d7..cccbc76 100644
--- a/tcl/ma02.config
+++ b/tcl/ma02.config
@@ -17,13 +17,11 @@ tt set/limit 310
 tt set/prop 15
 tt set/integ 10
 
-makeCCU4 ma02 nv n2
+makeCCU4 ma02 nv n2 he_ilm
 
 hupdate /nv/set 1.2
 
 makeIps -limit 1.8 -startRamp 0.5 -port ma02-ts:3002
 
 makeIlm -channels 1 -port ma02-ts:3001
-makeHeFill ccu4ilm
-#makeHeFill lev
 
diff --git a/tcl/ma10.config b/tcl/ma10.config
index 920a11c..bc041b8 100644
--- a/tcl/ma10.config
+++ b/tcl/ma10.config
@@ -14,7 +14,7 @@ makenv tt -driver [lsdriver] {
 }
 tt set/limit 310
 
-makeCCU4 ma10 nv_release_blocked
+makeCCU4 ma10 nv_release_blocked he_ilm
 hupdate /nv/set 1.8
 
 makenv mf -driver ipsmag -port ma10-ts:3001 -controller _mf
@@ -54,7 +54,6 @@ makeN2Fill ccu4ilm {
   ln2fill minholdhours 12
   ln2fill maxholdhours 96  
 }
-makeHeFill ccu4ilm
 
 # increase motor current
 cc mc 75
diff --git a/tcl/ma11.config b/tcl/ma11.config
index 7c81220..8e30baf 100644
--- a/tcl/ma11.config
+++ b/tcl/ma11.config
@@ -16,7 +16,7 @@ makenv tt -driver [lsdriver] {
 }
 tt set/limit 310
 
-makeCCU4 ma11 nv
+makeCCU4 ma11 nv he_ilm
 hupdate /nv/set 1.5
 makeN2Fill ccu4ilm {
   ln2fill lowlevel 30
@@ -28,7 +28,6 @@ makeN2Fill ccu4ilm {
 #  appendVars ln2fill.smooth/%/N2smooth/13
 }
 
-makeHeFill ccu4ilm
 catch {
   hefill minfillminutes 20
   hefill maxfillminutes 60
diff --git a/tcl/ma15.config b/tcl/ma15.config
index 0cbebe9..f2ea536 100644
--- a/tcl/ma15.config
+++ b/tcl/ma15.config
@@ -15,10 +15,10 @@ tt set/limit 310
 
 makeCCU4 ma15 nv he_ilm
 catch {
-  hupdate /nv/set 1.5
+  hupdate /nv/set 1
   nv ctrl/minpulse_o 0.01
   nv ctrl/minpulse_c 0.05
-  nv tol 0.02
+  cc mc 75
 }
 
 makeIps -limit 14.9 -startRamp 0.31 -port ma15-ts:3002
diff --git a/tcl/ma6.config b/tcl/ma6.config
index bc79aab..27c7ad0 100644
--- a/tcl/ma6.config
+++ b/tcl/ma6.config
@@ -5,9 +5,11 @@ device stick_menu "ma6 dil2 dil3 dil4 coil"
 
 makenv tt -driver [lsdriver] {
   lsc_sensor tm A -sensor x48581 -sensorname VTI
-  lsc_sensor ts C -sensorname sample
-#  lsc_sensor code D -sensor code -sensorname code
-  lsc_sensor ts_2 D  -sensor code -sensorname sample2
+# 2023-07-06: sample sensor seems defect, use hx sensor
+#  lsc_sensor ts C -sensorname sample
+#  lsc_sensor ts_2 D  -sensor code -sensorname sample2
+  lsc_sensor ts D -sensorname sample
+  lsc_sensor ts_2 C  -sensor code -sensorname sample2
   lsc_loop set -loop 1 -channel A -maxheater 32W -resist 80Ohm -color green
   if {[lsdriver] eq "336_lsc"} {
     lsc_loop setsamp -loop 2 -channel C -maxheater 62.5W -resist 20Ohm -color dark_green -loopname sample
@@ -27,7 +29,6 @@ makeN2Fill ccu4ilm {
   ln2fill minholdhours 12
   ln2fill maxholdhours 96
 }
-makeHeFill ccu4ilm
 
 makeIps -limit 6 -startRamp 0.3844 -port ma6-ts:3002
 if {[result instrument] eq "tasp"} {
diff --git a/tcl/ma6.stick b/tcl/ma6.stick
index 5f0c081..9870b81 100644
--- a/tcl/ma6.stick
+++ b/tcl/ma6.stick
@@ -1,4 +1,4 @@
 stickDesc = standard MA6 stick
 
-stick_sensors x63161 undefined
+stick_sensors x63163 undefined
 # stick_sensors x63161 x63163
diff --git a/tcl/ma7.config b/tcl/ma7.config
index a225c24..a64ba9f 100644
--- a/tcl/ma7.config
+++ b/tcl/ma7.config
@@ -17,7 +17,7 @@ tt set/limit 310
 
 makeCCU4 ma7 nv_release_blocked he_ilm
 
-hupdate /nv/set 2.5
+hupdate /nv/set 1.2
 # increase n.v. motor current
 cc mc 75
 nv ctrl/openpulse 2
diff --git a/tcl/ori3.config b/tcl/ori3.config
index cf3d0b8..ac60246 100644
--- a/tcl/ori3.config
+++ b/tcl/ori3.config
@@ -11,7 +11,7 @@ makenv tt -driver [lsdriver] {
 }
 tt set/limit 310
 makeCCU4 ori3 nv n2 he
-hupdate /nv/set 1.6
+hupdate /nv/set 1.2
 
 source maxi_orange.table
 
diff --git a/tcl/pfeiffertpg.addon b/tcl/pfeiffertpg.addon
index 22c54df..045cd3f 100644
--- a/tcl/pfeiffertpg.addon
+++ b/tcl/pfeiffertpg.addon
@@ -1,6 +1,6 @@
 addonDesc = Pfeiffer Pressure gauge RS232
 
-makenv hvac -driver pfeiffertpg -port ldmse3-ts:3005
+makenv hvac -driver pfeiffertpg
 
-GraphAdd hvac mbar ivc blue
+GraphAdd hvac mbar hvac blue
 
diff --git a/tcl/seacom.tcl b/tcl/seacom.tcl
index e33971a..7d3b2da 100644
--- a/tcl/seacom.tcl
+++ b/tcl/seacom.tcl
@@ -2109,15 +2109,20 @@ proc ObjState {} {
     lappend list $obj
   }
   set canNotConnect 0
+  set showRackList 0
+  set rack [silent no result device rack]
   foreach obj $list {
     if {$obj eq "_cc"} {
       set canNotConnect [showStatus _cc 1]
+      if {$canNotConnect || $rack eq "no"} {
+         set showRackList 1
+      }
     } else {
       showStatus $obj 1
     }
   }
   if {[result device name] eq "none"} {
-    Group rack "choose rack"
+    set showRackList 1
   } elseif {$canNotConnect} {
     Style warning
     if {[silent no result device rack] eq "other"} {
@@ -2136,6 +2141,8 @@ proc ObjState {} {
       Style hotwarning
       Label "please select rack (rack number as labelled on the top of the rack)"
     }
+  }
+  if {$showRackList} {
     Group rack "choose rack"
   }
 }
diff --git a/tcl/startup/autofill.tcl b/tcl/startup/autofill.tcl
index c349540..ebb203a 100644
--- a/tcl/startup/autofill.tcl
+++ b/tcl/startup/autofill.tcl
@@ -1,4 +1,7 @@
 proc makeHeFill {levcmd} {
+  # this seems obsolete
+  # use makeCCU4 ... he
+  # or makeCCU4 ... he_ilm
   if {$levcmd eq "ccu"} {
     makenv lev he_ccu ccu
     GraphAdd lev % HeLevel brown
diff --git a/tcl/startup/frappy.tcl b/tcl/startup/frappy.tcl
index 9d9984a..d8cc670 100644
--- a/tcl/startup/frappy.tcl
+++ b/tcl/startup/frappy.tcl
@@ -266,9 +266,12 @@ proc frappy_async_client {} {
 
 proc get_all_param {args} {
   foreach obj $args {
-    set hp [get_obj_path $obj]
-    hnotify $hp 1
-    get_param_values $hp
+    catch {
+      set hp [get_obj_path $obj]
+      hnotify $hp 1
+      get_param_values $hp
+    }
+    # todo: create error message on failure
   }
 }
 
diff --git a/tcl/startup/hepump.tcl b/tcl/startup/hepump.tcl
index fc22477..7008cb2 100644
--- a/tcl/startup/hepump.tcl
+++ b/tcl/startup/hepump.tcl
@@ -15,7 +15,7 @@ proc makeHePump {} {
     }
     hset /hepump $type
 
-    if {$type == 0} {
+    if {$type == 0 || $type == 8} {
       makenv hemot -driver trinamic -base /hepump/ hepump
       if {[silent 0 result instconfig sensirion]} {
         makenv nvflow -driver sensirion -controller _hemot
diff --git a/tcl/startup/rack.tcl b/tcl/startup/rack.tcl
index 69b9193..cb8e2c9 100644
--- a/tcl/startup/rack.tcl
+++ b/tcl/startup/rack.tcl
@@ -59,7 +59,8 @@ proc get_rack {{oldrack ""}} {
       }
     }
   }
-  if {$mysubnet ne "office" && [llength $inmynet]} {
+  set hostname [lindex [split [info hostname] .] 0]
+  if {$mysubnet ne "office" && [llength $inmynet] && $hostname eq [result instrument]} {
     # if any rack is in the instrument subnet, racks in office net are not shown
     return $inmynet
   }
diff --git a/tcl/variox.config b/tcl/variox.config
index cf64014..2bb42c3 100644
--- a/tcl/variox.config
+++ b/tcl/variox.config
@@ -14,6 +14,6 @@ tt set/limit 310
 tt set/prop 20
 tt set/integ 10
 makeCCU4 variox nv n2 he
-hupdate /nv/set 2.5
+hupdate /nv/set 1.2
 nv ctrl/minpulse_o 0.01
 nv ctrl/minpulse_c 0.1