User manual with safety, installation, wiring and operation instructions for Koyo GC series touch screen panels (GC-56LC2, GC-55EM2, GC-53LC3, GC-53LM3).
The Koyo GC series includes four touch screen models designed for industrial control panels. The manual covers safety precautions, mechanical dimensions, electrical specifications and functional operation for each model.
Key sections provide step‑by‑step installation, wiring diagrams for RS‑232 and RS‑485 interfaces, power‑supply requirements, LCD specifications, and maintenance guidelines. This manual is written in Chinese.
| Display resolution (GC-56LC2) | 640×480 |
|---|---|
| Display resolution (GC-55EM2) | 640×400 |
| Display resolution (GC-53LC3 / GC-53LM3) | 320×240 |
| Power supply rating | DC 500 V |
| RS‑232 interface | CH1, CH2 |
| RS‑485 interface | CH3 |
GC‑56LC2 uses 640×480 pixels, GC‑55EM2 uses 640×400 pixels, and GC‑53LC3/GC‑53LM3 use 320×240 pixels.
All models are rated for a DC supply of 500 V.