PG3: Excessive speed deviation during closed-loop control During closed-loop control, if the difference between motor frequency and inverter output frequency is detected to exceed the P.353 setting value and the duration exceeds the P.354 setting value. 1. Check whether the P.350 setting value is in accordance with the encoder model. 2. Check whether the motor operation is normal. Find quick answers in the Shihlin Electric FAQ—selection, wiring and troubleshooting for circuit breakers, magnetic contactors, AC drives, servo, HMI and PLC control.
PG3: Excessive speed deviation during closed-loop control
During closed-loop control, if the difference between motor frequency and inverter output frequency is detected to exceed the P.353 setting value and the duration exceeds the P.354 setting value.
1. Check whether the P.350 setting value is in accordance with the encoder model.
2. Check whether the motor operation is normal.
The Shihlin Electric Company Profile introduces a Taiwan-based manufacturer with 70+ years of engineering experience supporting low-voltage power distribution and motor control for industrial customers.
Our scope covers circuit breakers, switchgear and power distribution systems, magnetic switches and magnetic contactors—plus factory automation solutions including inverters, AC drives, servo motors and drives, HMI, controllers, PLC and system integration.
With long-term OEM/ODM collaboration and a growing global network, Shihlin Electric helps you standardize components, reduce downtime, and move from product selection to commissioning with practical technical support.