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RS-232 over RS-485/422

  • RS-232 to RS-485/422
  • RS-232 to RS-485/422
  • RS-232 to RS-485/422
RS-232 to RS-485/422RS-232 to RS-485/422RS-232 to RS-485/422

RS-232 to RS-485/422

  • Model:ADM-2721
  • Baud rate: 300BPS-115.2KBPS
  • Power supply : DC9~48V
  • Protection: 15kV ESD protection
  • Product description: RS-232 to RS-485/422 converter, DC9~48V power supply, DIN rail installation.
  • INQUIRY

Product introduction

ADM-2721 is an isolated RS-232 to RS-422/485 bidirectional converter. It can extend RS-232 transmission distance and improve network performance.

The design features of industrial application, DIN-rail installation, photoelectric isolation protection, DC24V power supply, are suitable for industrial environment.

Your RS-232 device can easily access the industrial RS-422/485 network and do not need to do any hardware and software changes.

Product specification

Model: ADM-2721

Functions: RS-232 to RS-485/422 Converter

Up Interface: 1-Port RS-232 (3 wire TXD,RXD,GND)

Down Interface: 1-Port RS-485/422

Isolation voltage: Isolation voltage 3000V ,600W Surge protection

RS-232 Trans distance: 10 meters (Max)

RS-485 Trans distance: 1000 meters (Max)

Data rate: 300 to 115200 Bps

Interface protection: 15KV ESD Protection

RS-485 load capacity: 256 nodes (Max)

Power supply: 9 to 48VDC, 50mA @24V

Operation mode: Full duplex / half duplex, automatic flow direction

Working temperature: -20 ~75℃

Storage temperature: -20 ~85 ℃

Working humidity: 5 ~ 90% RH

Shape size: (L x W x H) 103x72x27mm

Interface definition


UP

Definition

DOWN

Definition

GND1

RS-232(GND)

VS+

POWER+

TXD

RS-232(TXD)

VS-

POWER-

RXD

RS-232(RXD)

NC

No connection

GND1

RS-232(GND)

GND2

RS-485/422 GND

NC

No connection

NC

No connection

NC

No connection

NC

No connection

NC

No connection

RXD-

RS-422 RX-

NC

No connection

RXD+

RS-422 RX+

NC

No connection

T/R-

RS-485- /RS-422TX-

NC

No connection

T/R+

RS-485+ /RS-422TX+


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