This document is the user manual of VT-VRPA1-100 analog amplifier, which introduces the features, ordering details, functional description, technical data, wiring diagram/connection allocation, display/adjustment elements, engineering/maintenance guidelines/additional information, unit dimensions of this product
This manual covers the VT‑VRPA1‑100 analog amplifier used with proportional pressure and flow control valves that have electrical displacement feedback. It includes order details, functional description, technical specifications, wiring diagrams, and display/adjustment element information.
The document also provides engineering and maintenance guidelines, such as power‑supply requirements, ramp‑time adjustment, safety precautions for board handling, and recommended connector and relay specifications. Unit dimensions, preferred part numbers, and contact information for Bosch Rexroth are listed at the end. This manual is written in Chinese.
| Working voltage | 24 VDC (+40% / -5%) |
|---|---|
| Power consumption | <35 W |
| Current consumption | <1.5 A |
| Fuse rating | 2.5 A (time‑delay) |
| Power supply (compact) | 115/230 VAC → 24 VDC, 70 VA |
A compact power supply that converts 115/230 VAC to 24 VDC with a capacity of 70 VA is required.