- 30 -
No.JXC
※
-OMT0007-D
8. LED display
8.1 LED display
Refer to the table below for details of the LED status.
LED
Details
PWR
Power supply
status.
OFF
Power is not supplied
Green LED is ON
Power is supplied
ALM
Controller alarm
status.
OFF
Normal operation
Red LED is ON
Alarm generated
MS
Controller status.
OFF
The controller operating voltage is not
supplied.
Green LED is ON
Operating normally
Red LED is flashing
Recoverable internal error
Rotary switches for node address and
communication speed were changed after
establishing communication.
NS
DeviceNet
communication
status.
OFF
The controller operating voltage is not supplied
or IP address is not set.
Green LED is ON
DeviceNet communications established.
Green LED is flashing DeviceNet communications not established.
Red LED is flashing
DeviceNet connection time out
Red LED is ON
Node address duplicated, or communication
error
8.2 LED and Controller Status
Refer to the table below for the LED and the controller status.
Controller status
LED description
PWR
ALM
MS
NS
When power is supplied
Green LED
is ON
LED is OFF
-
-
When DeviceNet communication is
normal
-
-
Green LED
is ON
Green LED
is ON
Motor
controller
Controller alarm generated
LED is OFF
Red LED
is ON
-
-
Controller system error
generated
Green LED
is ON
Red LED
is ON
-
-
Writing to controller
EEPROM
Green LED
is flashing
-
-
-
-: LED display is unstable
Caution
Do not turn OFF the power supply for the controller or disconnect and connect the cable while the data
is being written to EEPROM (PWR LED (green) is flashing).
Possibility of incorrect / corrupt data (step data, parameter)