UT-5204 RS-485 Hub

Interface standards and ports

Interface Standard

RS-485 (compliant with EIA/TIA standards) RS-232C,

Input port

One RS-232 port and one RS-485 port (sharing the same input terminal, automatically identified based on wiring).

Output port

4 independent isolated RS-485 interfaces

Isolation methods

Opto-isolation

Isolation voltage

2500 Vrms

Communication parameters

Communication rate

300 bps~115200bps, adaptive (no manual setting required)

Maximum transmission distance:

5000 meters (@9600bps, using twisted pair or shielded cable)

Work mode

Half-duplex, automatic flow control, no need for RTS hardware flow control signals

Power supply and power consumption

Power input

DC 9V ~ 30V

Power consumption

≤ 150 mA (approximately 1.35W at 9V)

Protection performance

RS -232 port

±15 kV ESD protection

RS -485 port

Each line 600 W surge protection (TVS transient suppression)

Physical Specifications

Installation method

DIN rail (standard 35mm rail)

Overall dimensions

120x80x25mm (width x depth x height)

Wiring method

Green pluggable terminal blocks (for quick and easy field wiring)

Environmental parameters

Operating temperature

-40°C to +85°C (Industrial wide temperature range)

Storage temperature

Same operating temperature range (standard)

relative humidity

Recommended concentration: 5%~95% (non-condensing)