diff --git a/opcuaserv/convert_unit.py b/opcuaserv/convert_unit.py
new file mode 100644
index 0000000000000000000000000000000000000000..599033d6aa1a6cc3754d15447223b6ff0a5c65e6
--- /dev/null
+++ b/opcuaserv/convert_unit.py
@@ -0,0 +1,6 @@
+def Kelvin2Celsius(T):
+  return T-273.15;
+
+def period2RMS(T):
+  if T==0: return 0.
+  return 60./T;
diff --git a/start.sh b/start.sh
new file mode 100644
index 0000000000000000000000000000000000000000..87a13ec1614c73dc9927d4dfec3e13fee2076935
--- /dev/null
+++ b/start.sh
@@ -0,0 +1,7 @@
+tmux new -s translators  'cd ~/pypcc;python3 pypcc2.py -p 4840 -c RECVTR'  \; \
+  new-window 'cd ~/pypcc;python3 pypcc2.py -p 4841 -c UNB2TR' \; \
+  new-window 'cd ~/pypcc;python3 pypcc2.py -p 4842 -c APSPUTR' \; \
+  new-window 'cd ~/pypcc;python3 pypcc2.py -p 4843 -c APSCTTR' \; \
+  detach-client
+#\
+#    detach-client