AC Brushless Servo Drive System Manual Ver: 0002
ACa - 14 / 32
Preliminary
2.4
STATUS DISPLAY
After that, a digit is shown steady (status message) or blinking (warning).
Status messages: (steady)
The unit is under power, Drive_Enable and Speed_Enable pins are deactivated, (0 Volts at
pins 3 and 4 of X2). The motor has no torque.
Waiting. The drive is waiting for the Bus charge. The control circuits are powered. If this status
lasts too long, review the power connection to Mains and the Ballast resistor one.
Speed_Enable off (0 Volts at pin 3 of X2), and Drive_Enable on (+24V at pin 4 of X2).
The motor has torque with no velocity command.
Everything is OK. Drive_Enable and Speed_Enable are active and the Motor responds to
the command.
Warning: (blinking)
Motor overtemperature.
Solutions: Smooth the duty cycle. Improve its cooling.
No Feedback.
Solutions: Check that the feedback cable and connectors are properly connected.
Drive overtemperature.
Solutions: Smooth the duty cycle. Improve its cooling.
Motor overload warning. (fast blinking)
The motor i2t protections is been exceeded. This event activates the digital output "Warning
output" (1 and 2 pins of X2). 60 seconds later, the error will be activated.
Motor overload error. After the previous warning, the motor i2t protection has gone off. The
motor has maintained an average current greater than the maximum allowed for too long. The
motor has been working beyond its rated current.
It is a 7-segment display for monitoring the Drive status.
Powering the equipment the Status Display shows a three digit sequence:
Drive identification, Ballast resistor configuration, Number of encoder pulses per turn,
Current threshold for motor i2t protection.
ACS-05
Internal
Ballast
ACS-10
ACS-20
ACS-30
External
Ballast
Reserved
2500 ppt
1 Amp / 9 Amp
/
15 Amp
14 Amp
13 Amp
12 Amp
11 Amp
10 Amp
