Update sr_rhand.launch

Author: Fotios Papadopoulos

sr_ethercat_hand_config/launch/sr_rhand.launch

@@ -11,7 +11,7 @@
     <arg name="robot_description" value="$(find sr_description)/robots/shadowhand_motor_plus.urdf.xacro" />
     <arg name="mapping_path" value="$(find sr_edc_launch)/mappings/default_mappings/rh_E_v4.yaml"/>
 
-    <arg name="pwm_control" default="false"/>
+    <arg name="pwm_control" default="true"/>
 
     <arg name="use_moveit" value="true"/>
     <arg name="sim" value="false"/>