RS232 RS485 Converter

D222/D223 RS232 RS485 Converter

The RS232 RS485 Converter  is a powerful and programmable multi-purpose wireless cellular modem and data transfer unit (DTU). It embedded high reliable 32bit ARM9 MCU and industrial GSM/GPRS/3G/4G Cellular Engine inside. It provides a secure, high speed, reliable wireless data transmission between com port and internet connection for customers over GPRS/3G/4G wireless cellular network. Also, it can be used as SMS modem and Modbus RTU to Modbus TCP converter. Moreover, it is suitable for transparent transferring SMS text between mobile phone, computer and RS232/RS485/TTL Serial port over GSM/3G/4G wireless cellular network. It can be used as SMS modem supports transparent transferring SMS, AT Commands, and provides 1 digital input can be used as SMS Alarm and Pulse Counter Alarm, too.
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Feature

  • Can be operated from anywhere, no distance limitation;
  • Quad band 850/900/1800/1900Mhz GSM GPRS Module inside;
  • 3G UMTS/HSDPA/4G Modules are optional.;
  • Embedded 32 bit ARM9 MCU, reliable performance with in-built watchdog;
  • Multi-functional, supports AT Commands, Transparent SMS and Data Transfer;
  • 1 TTL port can be used for TTL device data transfer;
  • 1 three-wire RS485 serial port, RS232 is optional, Baud rate adjustable from 1200~115200bps, ± 15KV ESD protection;
  • 1 digital input, supports dry contact, wet contact, pulse counter can be used as alarm, or trigger to wakeup or online event;
  • Powerful programmable features, supports programmable handshake message,etc;
  • Real-time online data transfer, supports always only or event triggered online;
  • Build-in protocol stack, support TCP/UDP network protocol;
  • Support transparent data transfer and Modbus TCP protocol conversion;
  • Heartbeat function and autodial to ensure the device online;
  • Supports DNS and static data service center IP address;
  • Supports wakeup by SMS, Call and Comport, Timer, Digital input or pulse counter input;
  • Automatically restart the cellular module while communication failure, and resend the data in the cache, the cache capacity up to 12K bytes, also when cellular communication failure will alert by SMS text;
  • Supports remotely restart the device, and configure it by SMS commands remotely;
  • Up to 10 user’s phone number to receive alarm and daily report SMS/Call;
  • Industrial class design suitable for long time work applications;
  • Support configure parameters, load profiles and upgrade the firmware via PC;
  • Wall mount or 35mm standard DIN rail Design, convenient installation,
  • Metallic cover, small size, exterior dimension is L70*W88*H30mm.

Specifications

Item Specification
Working Voltage normal mode: DC9V-36V , typical DC12V/1A
Power Consumption Max:500mW, Standby:150mW , Average:180mW
Cellular Network 2G: 850/900/1800/1900Mhz

3G version Optional: (UMTS/HSDPA)

W:900/2100@UMTS 900/1800@GSM;

C:850/1900@UMTS 850/900/1800/1900@GSM;

T:850/2100@UMTS 850/900/1800/1900@GSM;

4G LTE
Protocol TCP,UDP,PPP,SMS, Modbus TCP
SIMCARD 3V
Anttena Connector: SMA antenna,50ohm.
Receive Sensitivity -102dBm
Working Temperature Operation: -35～80℃ Restricted Operation: -35～-45℃
Storage temperature -45～90℃
Related Humidity ＜85%(20±5℃),non-condense
Air Pressure 86～208Kpa
Digital input 1, Dry Contact NC or NO, Wet Contact: 0-0.5VDC stands for close, 3-30VDC stands for Open, pulse counter.
Data Com Port 3-Wires, RS232/485 Baud Rate optional 1200~115200bps,Default is RS485, Optional: RS232
TTL Port GND, Tx, Rx
Configure Com Port USB
Voltage Output Provide DC power to external device, voltage =DC Input
Dimension (L x W xH): 70mm x 88mm x 30mm
Net Weight 300g

 

 

Dimensions

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