This manual introduces the use and functional characteristics of the ITQ series electric quarter turn actuator.
This service manual covers the RPC‑03‑A remote position controller used with I‑Tork electric quarter‑turn actuators. It explains safety checks before use, standard parameters, and the main functions for selecting input signals, setting delay and dead‑band, and operating the controller manually or automatically.
The document also details RPC‑03‑A card configuration tools, reverse‑actuator setup, potentiometer and limit‑switch adjustments, maintenance procedures, lubrication recommendations, and a comprehensive fault‑diagnosis and repair guide with wiring diagrams and LED indicator meanings. This manual is written in Chinese.
| Power supply | 110/220VAC + 10% 50/60Hz, 4VA MAX |
|---|---|
| Input signal range | 4~20mA DC, 1~5VDC, 2~10VDC, 0~5VDC, 0~10VDC |
| Output signal | 4~20mA DC |
| Relay contact rating | 250VAC 10A (inductive load) |
| Delay time adjustment | 0.5 – 8 seconds |
| Dead‑band adjustment | 0.1 – 4.5 % |
Pull the manual/auto conversion lever, rotate the handwheel to fully close the valve, loosen the CLOSE limit cam bolt, adjust the cam to match the micro‑switch contacts, then tighten the bolt; repeat for the OPEN cam.