diff --git a/script/local.py b/script/local.py
index 4d2cd31..e6ca0ac 100644
--- a/script/local.py
+++ b/script/local.py
@@ -14,7 +14,8 @@ class RobotTCP(TcpDevice):
          self.retries = retries
          self.header = None
          self.trailer = "\n"
-         self.array_separator = ','
+         self.array_separator = '|'
+         self.cmd_separator = ' '
          self.msg_id = 0
          self.setPolling(1000)
     
@@ -46,8 +47,8 @@ class RobotTCP(TcpDevice):
         msg = str(command)
         if len(argv)>10:
             raise Exception("Exceeded maximum number of parameters")
-        for arg in argv:
-            msg = msg + "," + str(arg)                 
+        for i in range(len(argv)):            
+            msg += (self.cmd_separator if  (i==0) else self.array_separator) + str(argv[i])                 
         rx = self.call(msg)
         if rx.count(self.array_separator)>0:
             return rx.split(self.array_separator)