Author: PLC Play Ground
Motor Runs Below Synchronous Speed? That May Be Normal Slip
An induction motor normally runs below synchronous speed while producing motoring torque.
Read More
The Drive Says 1500 RPM—Why Is the Conveyor Shaft Only Doing 50?
A correct motor speed can produce an unexpected output speed when the gearbox ratio is misunderstood.
Read More
One Motor Phase Draws More Current? Do Not Blame the Motor Yet
Unequal phase current can originate in the supply, connections, drive, or motor.
Read More
Drive Shows 100% Torque—but 100% of What?
A torque percentage is incomplete without its reference base.
Read More
Servo Peak Torque Looks Fine? RMS Torque Can Still Overheat It
A short peak-torque check can miss a demanding duty cycle.
Read More
Short Servo Moves Never Reach Full Speed? The Profile Explains Why
A short move may finish before reaching its requested maximum speed.
Read More
Home Position Shifts with Speed? Check the Referencing Edge
A home position that changes with approach speed may reflect input timing or the chosen reference edge.
Read More
Encoder Counts Fine, but Homing Never Finishes? Check the Z Channel
Healthy A and B counting does not prove the encoder index channel is available.
Read More
Replacement Encoder Has Extra Wires? Check the Interface Before Connecting
Matching encoder supply voltage is not enough.
Read More
Position Trigger Works Slowly but Vanishes at Speed? Check the Window
A narrow software position window can be crossed entirely between PLC evaluations.
Read More