5 MONITORING
5.5 Optional data monitor function [B]
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Z-phase counter The following values are displayed for each linear encoder connected to the servo motor-side.
For an absolute position linear encoder, "0" is displayed.
For an incremental linear encoder, the Z-phase counter (distance from the linear encoder home position
(reference mark)) (32-bit data) is displayed after the Z-phase is passed. The value before the Z-phase is passed
is undefined.
For an A/B/Z-phase differential output linear encoder, the Z-phase counter (distance from the linear encoder
home position (Z-phase)) (32-bit data) is displayed after the Z-phase is passed. Before the Z-phase is passed, a
free-run counter, which set the position where the power is turned on as "0", is displayed.
Temperature of servo motor thermistor The thermistor temperature is displayed for the servo motor with a thermistor.
For the servo motors without a thermistor, "9999" is displayed.
For the servo motor with a thermistor, refer to the user's manual for the servo motor being used.
Torque equivalent to disturbance The difference between the necessary torque and the actually required torque (torque current value) to drive the
servo motor is displayed as the torque equivalent to disturbance.
Thrust equivalent to disturbance The difference between the necessary thrust and the actually required thrust (thrust current value) to drive the
linear servo motor is displayed as the thrust equivalent to disturbance.
Overload alarm margin The margins for the alarm levels of [AL. 050 Overload 1] and [AL. 051 Overload 2] are displayed as a
percentage.
Excessive error alarm margin The margin for the excessive error alarm trigger level is displayed in the encoder pulse unit. The excessive error
alarm occurs when the margin is 0 pulse.
Settling time The period of time (settling time) from the completion of the command to INP (In-position) on is displayed.
Overshoot amount The overshoot amount during position mode is displayed in units of encoder pulses.
Motor/load side position deviation In the fully closed loop control mode, a deviation between the servo motor-side position and load-side position is
displayed. The number of pulses is displayed in the load-side encoder unit.
Motor/load side speed deviation In the fully closed loop control mode, a deviation between the servo motor-side speed and load-side speed is
displayed.
Internal temperature of encoder The internal temperature detected by the encoder is displayed.
For the linear servo motor, "9999" is displayed.
Data type Description
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