Convertisseur industriel passif RS232 vers RS485 bidirectionnel

Conçu pour l’intégration de dispositifs existants, cet adaptateur industriel passif RS232 vers RS485 permet une communication série bidirectionnelle sans dépendance d’alimentation externe. Il utilise un boîtier métallique robuste à montage par bride et une protection par diode TVS intégrée pour assurer une transmission fiable des données dans les panneaux de contrôle à espace réduit.

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Application

Transmission bidirectionnelle interface série conversion mutuelle

Dimensions

 

Interface

EIA/TIA RS232C/RS485 standard

Electric interface

RS232C—DB9 female head (hole-type)

RS485—3PIN flange head

Operation mode

asynchronous half-duplex

Transmission medium

normal line, twisted-pair or shield line

Transmission rate

300~230400bps

Transmission distance

15m (RS232C)

1200m (RS485)

Transmission protocol

transparency

Operating temperature

– 40 ℃ to 85 ℃

Humidity

5~95%RH

Signal

RS232—TXD, RXD, GND. RTS and CTS internal short-circuit.

RS485—485A, 485B, GND

Capable of converting TXD and RXD signals from RS232 serial ports into balanced half duplex RS485 signals without the need for an external power supply. It can directly steal electricity from the 3rd pin of the RS232 port, and send a request (RTS) through the 7th pin. The 4-pin data terminal is ready (DTR) to provide auxiliary power to RS232 to RS485. The RS232 flow control pin is internally short circuited to achieve automatic flow control.

  • Support baud rate up to 230400bps. Strong power supply under high baud rate can make long-time communication with no error code.
  • Unique exterior design, no exposed circuit board. RS232 TO RS485use integral shell, terminal-type RS485 wiring and flange installation, the appearance is beautiful, strong and safe.
  • The powerful compatibility with various RS232 interface.
  • With built-in RS485 TVS protection.

[User Manual] Valtoris-RS232 TO RS485 User Manual

 
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