82
18
. SETTING OF OPERATING PARAMETERS
17 - 4 Torque Over Load
When the Load Monitor LED (LOAD)
⑫
lights
4
or more LED' s (
3
Green LED
'
s and
1
of more yellow LED
'
s)
an over -load condition exists. During a motor overload period, the following will occurs :
(
1
) Warning LED (WARNING)
⑳
will blinks.
(
2
) Warning Code " A
3
" is displayed on the Digital Speed Indicator
⑪
.
(
3
) Pin No.
20
(WARNING) of the External Input / Output Connector A
③
is ' ON (Closed) '.
Overload operation is considered a short - term operation mode. The allowable operation time depends on the
number of lighted LED' s on the Load Monitor LED (LOAD)
⑫
.
The allowable time is detailed below.
(
1
) Load Monitor LED (LOAD)
⑫
4
LED's (Green LED
3
, Yellow LED
1
) :
30
Seconds
(
2
) Load Monitor LED (LOAD)
⑫
5
LED's (Green LED
3
, Yellow LED
2
) :
10
Seconds
(
3
) Load Monitor LED (LOAD)
⑫
6
LED's (Green LED
3
, Yellow LED
2
, Red LED
1
) :
5
Seconds
When the allowable time is exceeded the motor will stop and the following occurs :
(
1
) Error LED (ERROR)
⑲
lights.
(
2
) Error Code
"
E
8
"
is displayed on the Digital Speed Indicator
⑪
.
(
3
) Pin No.
8
(ERR) of the External Input / Output Connector A
③
is ' ON (Closed) '.
* Set the parameter
can be Change the Error Output Mode of the Error Signal for an Open or Closed
state. (Refer to P
88
"
18
-
4
①
Setting of Error Output Mode " section.)
CAUTION
If you constantly operate the system in an overload condition, even for short periods of time, the
CONTROLLER will overheat and damage to the CONTROLLER, motor and spindle are possible.
NAKANISHI recommends only continuous duty operation (LOAD LED's with 3 LED's lit) : Torque
Load Monitor (LOAD) Voltage should be less than 5V.
18 - 1 Entering Parameter Setting Mode
1
. Make sure that the Main Power Switch
⑨
is turned OFF.
2
.
While push and holding the Error Reset Button (RESET)
⑱
while turning the Main Power Switch
⑨
ON at
the front of the CONTROLLER.
3
.
Hold the Error Reset Button (RESET)
⑱
down for
3
seconds while the CONTROL is powering up.
is
Displayed.
4
.
The buzzer will ' BEEP '
3
times, then release the Error Reset Button (RESET)
⑱
and Parameter Setting
Mode will start.
is Displayed.
CAUTION
When in the parameter mode, normal operation of starting, stopping, etc. operation is not
possible.
When changing from the parameter mode to normal operation, be sure to toggle the Main Power
Switch
⑨
OFF and ON again.
18 - 2
Parameter Types
Parameter types, contents, and default are detail in Table.
9
.
When checking a parameter or changing a setting, refer to P
88
"
18
-
4
Setting procedures " section.
