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pan_tilt_port: No motors found.

I already checked all of the parameter such as baud rate, id and USB connection etc... There is no problem! And I already tried all of the way which I can found online, but those are not useful too. I get the following error message. If you have had some experience about this problem, Please help me...

PARAMETERS * /dynamixel_manager/namespace: dxl_manager * /dynamixel_manager/serial_ports/pan_tilt_port/baud_rate: 57600 * /dynamixel_manager/serial_ports/pan_tilt_port/max_motor_id: 25 * /dynamixel_manager/serial_ports/pan_tilt_port/min_motor_id: 1 * /dynamixel_manager/serial_ports/pan_tilt_port/port_name: /dev/ttyUSB0 * /dynamixel_manager/serial_ports/pan_tilt_port/update_rate: 20 * /rosdistro: kinetic * /rosversion: 1.12.12

NODES / dynamixel_manager (dynamixel_controllers/controller_manager.py)

ROS_MASTER_URI=http://localhost:11311

process[dynamixel_manager-1]: started with pid [6560] ================================================================================REQUIRED process [dynamixel_manager-1] has died! process has died [pid 6560, exit code 1, cmd /opt/ros/kinetic/lib/dynamixel_controllers/controller_manager.py __name:=dynamixel_manager __log:=/home/jeong/.ros/log/20f090d0-161f-11e8-a3f6-2c337a39f22d/dynamixel_manager-1.log]. log file: /home/jeong/.ros/log/20f090d0-161f-11e8-a3f6-2c337a39f22d/dynamixel_manager-1*.log

Initiating shutdown!

[dynamixel_manager-1] killing on exit shutting down processing monitor... ... shutting down processing monitor complete done

enter code here

pan_tilt_port: No motors found.

I already checked all of the parameter such as baud rate, id and USB connection etc... There is no problem! And I already tried all of the way which I can found online, but those are not useful too. I get the following error message. If you have had some experience about this problem, Please help me...

PARAMETERS * /dynamixel_manager/namespace: dxl_manager * /dynamixel_manager/serial_ports/pan_tilt_port/baud_rate: 57600 * /dynamixel_manager/serial_ports/pan_tilt_port/max_motor_id: 25 * /dynamixel_manager/serial_ports/pan_tilt_port/min_motor_id: 1 * /dynamixel_manager/serial_ports/pan_tilt_port/port_name: /dev/ttyUSB0 * /dynamixel_manager/serial_ports/pan_tilt_port/update_rate: 20 * /rosdistro: kinetic * /rosversion: 1.12.12

NODES / dynamixel_manager (dynamixel_controllers/controller_manager.py)

ROS_MASTER_URI=http://localhost:11311

process[dynamixel_manager-1]: started with pid [6560] ================================================================================REQUIRED process [dynamixel_manager-1] has died! process has died [pid 6560, exit code 1, cmd /opt/ros/kinetic/lib/dynamixel_controllers/controller_manager.py __name:=dynamixel_manager __log:=/home/jeong/.ros/log/20f090d0-161f-11e8-a3f6-2c337a39f22d/dynamixel_manager-1.log]. __log:=/home/jeong/.ros/log/2....../dynamixel_manager-1.log]. log file: /home/jeong/.ros/log/20f090d0-161f-11e8-a3f6-2c337a39f22d/dynamixel_manager-1*.log/home/jeong/.ros/log/...../dynamixel_manager-1*.log

Initiating shutdown!

[dynamixel_manager-1] killing on exit shutting down processing monitor... ... shutting down processing monitor complete done

enter code here

pan_tilt_port: No motors found.

I already checked all of the parameter such as baud rate, id and USB connection etc... There is no problem! And I already tried all of the way which I can found online, but those are not useful too. I get the following error message. If you have had some experience about this problem, Please help me...

PARAMETERS
 * /dynamixel_manager/namespace: dxl_manager
 * /dynamixel_manager/serial_ports/pan_tilt_port/baud_rate: 57600
 * /dynamixel_manager/serial_ports/pan_tilt_port/max_motor_id: 25
 * /dynamixel_manager/serial_ports/pan_tilt_port/min_motor_id: 1
 * /dynamixel_manager/serial_ports/pan_tilt_port/port_name: /dev/ttyUSB0
 * /dynamixel_manager/serial_ports/pan_tilt_port/update_rate: 20
 * /rosdistro: kinetic
 * /rosversion: 1.12.12

1.12.12

NODES / dynamixel_manager (dynamixel_controllers/controller_manager.py)

(dynamixel_controllers/controller_manager.py) ROS_MASTER_URI=http://localhost:11311

ROS_MASTER_URI=http://localhost:11311

process[dynamixel_manager-1]: started with pid [6560] [INFO] [1519118409.925877]: pan_tilt_port: Pinging motor IDs 1 through 25... [FATAL] [1519118412.034350]: pan_tilt_port: No motors found. ================================================================================REQUIRED process [dynamixel_manager-1] has died! process has died [pid 6560, exit code 1, /opt/ros/kinetic/lib/dynamixel_controllers/controller_manager.py __name:=dynamixel_manager __log:=/home/jeong/.ros/log/2....../dynamixel_manager-1.log]. log file: /home/jeong/.ros/log/...../dynamixel_manager-1*.log

/home/jeong/.ros/log/...../dynamixel_manager-1*.log Initiating shutdown!

shutdown! ================================================================================ [dynamixel_manager-1] killing on exit shutting down processing monitor... ... shutting down processing monitor complete done

enter code here

done