diff --git a/tcl/drivers/amoroven.tcl b/tcl/drivers/amoroven.tcl
index bd83fbf..861406e 100644
--- a/tcl/drivers/amoroven.tcl
+++ b/tcl/drivers/amoroven.tcl
@@ -22,6 +22,9 @@ proc stdConfig::amoroven {} {
 
     node tlimit par 700
     node tlimit_without_vacuum par 320
+
+    node plimit par 75
+    node plimit_without_vacuum par 5
   }
 }
 
@@ -33,13 +36,16 @@ proc amoroven::read_press {} {
 proc amoroven::update_limit {vacuumon} {
   if {$vacuumon} {
     set tlim [hval [sct parent]/tlimit]
+    set plim [hval [sct parent]/plimit]
     set msg ""
   } else {
     set tlim [hval [sct parent]/tlimit_without_vacuum]
+    set plim [hval [sct parent]/plimit_without_vacuum]
     set msg " vacuum pump off"
   }
-  if {$tlim != [result tt set/limit] || [silent "" hgetpropval /tt/set tlimit_message] ne $msg} {
+  if {$tlim != [result tt set/limit] || $plim != [result tt set/maxpower] || [silent "" hgetpropval /tt/set tlimit_message] ne $msg} {
     tt set/limit $tlim
+    tt set/maxpower $plim
     hsetprop /tt/set tlimit_message $msg
   }
 }
diff --git a/tcl/fftf.config b/tcl/fftf.config
index e8bc028..16efa6c 100644
--- a/tcl/fftf.config
+++ b/tcl/fftf.config
@@ -5,7 +5,8 @@ defineTemperature tt
 makenv tt -driver [lsdriver]  {
   lsc_sensor ts A -sensor pt100e -sensorname sample -alarm 700
   lsc_sensor tm B -sensor pt1000e -sensorname body -alarm 320
-  lsc_loop set -loop 1 -channel A -maxheater 0.05A -resist 100Ohm -linearpower 75 -mout 15
+#  lsc_loop set -loop 1 -channel A -maxheater 0.05A -resist 100Ohm -linearpower 75 -mout 15
+  lsc_loop set -loop 1 -channel A -maxheater 2A -resist 10Ohm
 }
 
 GraphAdd tt.set.reg K T_reg auto
@@ -26,7 +27,13 @@ GraphAdd p mbar pressure auto
 GraphAdd p.vacuumpump S pump auto
 GraphAdd p.gasflow S valve auto
 
+# for PWM setting
+#makenv table -driver table /tt/set {
+#  "tt set/prop" "400:0.5 550:2"
+#  "tt set/integ" "400:10 550:20"
+#}
+
 makenv table -driver table /tt/set {
-  "tt set/prop" "400:0.5 550:2"
-  "tt set/integ" "400:10 550:20"
+  "tt set/prop" "400:5 550:5"
+  "tt set/integ" "400:20 550:20"
 }