SD710 Series Servo Drive User Manual Chapter 4 Panel Operation
4
4.3 Status display
The status display is discriminated as shown below.
Abbreviated
symbol
Meaning
Abbreviated
symbol
Meaning
Servo ready.
Display servo ready
Prohibit reversing drive state
Indicates that the input signal (N-
OT) is open-circuit
Runtime
Display servo enable status
Servo not ready
Servo is currently faulty or bus
voltage is not established
Prohibit forward drive state
Indicates that the input signal
(P-OT) is open-circuit
Alarm Status
Flashing alarm number
Number
Showing
Meaning
1
Control power ON display
Light on when the control power of the servo unit is ON.
Light off when the control power of the servo unit is OFF.
2
Servo ready display
The servo unit main circuit, encoder, etc. are normal, and the servo ON signal can be
received.
3
Servo enable flag
Light off when the servo is not enabled.
Light on when the servo is enabled.
4
Speed consistency (/V-CMP) display (when in speed control mode)
The light comes on when the difference between the servo motor speed and the commanded
speed is within the specified value, and goes off when it exceeds the specified value.
Positioning completion (/COIN) display (at position control)
The light comes on when the deviation between the position command and the actual motor
position is within the specified value, and light off when it exceeds the specified value.
5
Power ready Display
Lights on when the main circuit power is ON and off when the main circuit power is OFF.
6
Display in torque command input (at torque control)
The torque command in the input lights up when it is greater than the specified value and
light off when it is less than the specified value.
Display in clear signal input (in case of position control)
light on when there is a clear signal input and light off when there is no input.
7
Display in speed command input (at speed control)
The speed command in the input lights up when it is greater than the specified value and light
off when it is less than the specified value.
Display in command pulse input (in position control mode)
Light on when there is a pulse command input and light off when there is no input.