Protect Function - Nakanishi E3000 Operation Manual

17 . PROTECT FUNCTION

17 - 1 WARNING FUNCTION
CAUTION
When the Warning LED (WARNING) ⑳ on the CONTROLLER blinks, conditions exist that could
result in dangerous operation.
Check operating conditions and continue to use only after correcting the problem.
Always check the CONTROLLER, Motor Spindle and the condition of the cooling air prior to use. This will help
prevent system errors that will result in non - operational conditions.
( 1 ) The WARNING LED (WARNING) ⑳ will blink.
( 2 ) The Warning Code (listed in Table. 7 ) will be displayed on the Digital Speed Indicator ⑪ .
( 3 ) A Warning Signal is output to the " WARNING (PIN No. 20 : WARNING) " of Input / Output Connector A ③ .
Table. 7
Warning Code Warning Function
A 0 Motor Cord
A 1 Low Air Pressure
A 2 CONTROLLER Overheat
A 3 Over Load
A 4 Emergency Stop Signal
A 5 Over Air Pressure
CAUTION
When the Warning LED (WARNING) ⑳ blinks with the control in Mode AUTO, be sure to con rm
the Warning Code displayed on the Digital Speed Indicator ⑪ by refering to the " Warning Code "
in Table. 7.
17 - 2 Detection of unsafe operating conditions
Always check the CONTROLLER, motor, spindle and the condition of the cooling air prior to operation. This
will help prevent system errors that will result in unproper operating conditions.
When an Error Occurs, the following events may occur:
( 1 ) Motor stops.
( 2 ) The Error LED (ERROR) ⑲ will light.
( 3 ) The Error Code in Table. 8 will displayed on Digital Speed Indicator ⑪ .
( 4 ) An Error signal is output to the " Error (PIN No. 8 : ERR ) " of Input / Output Connector A ③ .
* Setting parameter
Setting of Error Output Mode " section.)
17 - 3 Resetting System after Error Codes
There are 2 methods of releasing Error Code.
( 1 ) When the control is in MANUAL Mode:
Push the Error Reset Button (RESET) ⑱ on the Control Panel ② .
80
Motor Cord or Connector are not connected or damaged.
Low Air Pressure during motor rotation.
CONTROLLER Overheat.
Motor Torque Load exceeding safe limits.
Emergency Stop Signal ' OFF (Open) ' in Emergency Stop
Mode Condition.
Excessive Air Pressure.
, will Change the Error Output Mode of the Error Signal. (Refer to P 88 " 18 - 4 ①
Trouble