The Hitachi MICRO‑EH programmable controller user manual provides safety warnings, installation, wiring, operation, maintenance and warranty information.
This manual covers safety precautions, installation steps, wiring requirements and maintenance procedures for Hitachi's MICRO‑EH series programmable controllers. It includes detailed warnings, grounding instructions, emergency‑stop recommendations and compliance with local standards.
The document also provides technical specifications, error‑code tables, programming guidelines, communication port functions and warranty terms for the PLC. Appendices list supported instructions, applicable standards and reference tables. This manual is written in Chinese.
| Power supply type | AC / DC |
|---|---|
| AC supply voltage | 100/110/120 V (50/60 Hz), 200/220/240 V (50/60 Hz) |
| AC voltage range | 85 V – 264 V |
| DC voltage range | 19.2 V – 30 V |
| Operating temperature | 0 °C – 55 °C |
| Storage temperature | -10 °C – 75 °C |
| Relative humidity (operating) | 5 % – 95 % (no condensation) |
The controller must be connected to ground at the FE terminal; failure to ground can cause electric shock or malfunction.
The controller accepts AC supply voltages from 85 V to 264 V and DC supply voltages from 19.2 V to 30 V.