Key facts
- Manuals
- 1
- Languages
- ZH
- Last added
- 2012-01-16
Featured Rhombus280 manuals
Rhombus280 B Card Reader Service Manual
This technical manual introduces the Rhombus280 B long‑range directional card reader, describing its 2.45 GHz microwave operation, adjustable read distance of 2‑15 m, and 120° fan‑shaped read zone. Safety notes advise keeping metal objects away from the sensor and using a linear regulated power supply.
The document lists detailed electrical parameters, physical dimensions, and interface connections (RS485), along with environmental limits and antenna specifications, enabling proper installation and maintenance. This manual is written in Chinese.
Covers: Introduction · Specifications · Interface Connections · Physical Dimensions · Power and Signal Parameters · Operating Conditions
Latest Rhombus280 manuals
Rhombus280 B Card Reader Service Manual
Service Manual 4 pages · 258 KB · ZHThe Rhombus280 B service manual provides specifications, installation wiring, and operation details for the long‑range directional card reader.
Which document do I need?
Service Manual
Disassembly, diagnostics and part numbers, for repair.
Questions answered in Rhombus280 manuals
What is the adjustable read distance of the Rhombus280 B card reader?
The read distance can be set between 2 and 15 meters by the user.
How many cards can be read simultaneously without collision?
The device can identify up to 30 cards at the same time.