diff --git a/script/local.py b/script/local.py
index 3e2d60d..4221284 100644
--- a/script/local.py
+++ b/script/local.py
@@ -48,7 +48,6 @@ class RobotModbus(DeviceBase):
             args[index] = arg
             index = index + 1
         robot_args.write(to_array(args, 'i'))
-        robot_req.write(1)
         try:           
             self.request()         
             ret = robot_ret.read()