The document is a FAQ from the Customer Service Center of Omron Automation (China) Co., Ltd. It lists some common questions and provides solutions regarding frequency inverters, servos, and CPUs.
The manual covers the operation and troubleshooting of Omron's frequency conversion servo systems, including the inverter control panel, PLC integration, and sensor modules. It offers step‑by‑step instructions and fault analysis for common issues.
Additional sections address specific components such as digital displays, temperature controllers, relays, switches, and various sensors, providing diagnostic procedures and configuration tips for each. This manual is written in Chinese.
| Ground current fault threshold | exceeds 50% of rated output current |
|---|---|
| Air circuit breaker rating recommendation | 1.3‑1.4 times rated current |
| Maximum recommended power cable length | 100 m |
Because the ground current exceeds more than 50 % of the rated output current, triggering the fault.
The inrush charging current of the converter’s capacitors can be 2‑3 times the rated current, causing the breaker to trip.
Regenerative energy from the motor raises the DC bus voltage, leading to an over‑voltage fault.