Preparation
12
4-6
Indication of LEDs
The status of the driver and RS-485 communication can be checked using the indication of LEDs.
The lighting colors of the POWER/ALARM LED and the C-DAT/C-ERR LED can be changed from green
to white using the “LED (PWR/C-DAT) color changing” parameter.
POWER/ALARM LED
This LED indicates the status of the driver.
LED status
Description
No light
The main power supply and the control power supply are not turned on.
Green light
The main power supply and/or the control power supply are turned on.
Blinking red
An alarm is being generated. The alarm message generated can be checked by
counting the number of times the LED blinks.
The LED is lit in green when the alarm is reset.
Blinking blue
Information is being generated. The LED is lit in green when the information is
cleared.
Repeating “Green
→
Red
→
Simultaneously lit *
→
No light”
This is the driver simulation mode.
* Green and red colors may overlap and it may be visible to yellow.
C-DAT/C-ERR LED
This LED indicates the status of RS-485 communication.
LED status
Description
Green light or
blinking green
The driver communicates with the host controller properly via RS-485 communication.
Red light
An error occurs in communication with the host controller via RS-485 communication.
The LED will be lit or blink in green when the communication status returns to the
normal state.
