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Controller with simplified functionality Don-Turbo 421-Lt

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Purpose:

The controller of simplified configuration is used for data collection from gas meters and computers with the digital RS-232\ RS-485 interface in the "transparent channel" mode.

The controller has the following interfaces:

  • USB;
  • RS 232;
  • RS 485.

Depending on the involved interfaces, the controller can operate as an interface converter or an external GSM-modem:

Interfaces

Operating mode

RS 232 – RS 485 RS 232 - RS 485 interface converter
RS 232 – USB RS 232 - USB interface converter
RS 485 – USB RS 485 - USB interface converter
RS 232 – Modem external modem with RS 232 interface
RS 485 – Modem external modem with RS 485 interface
USB – Modem external modem with USB interface

Configurations:

Depending of configuration, the controller can be equipped with a spark protection barrier and an external antenna:

Description

Spark protection barrier

GSM antenna

KDT-421 ai no integrated
KDT-421 ao no external
KDT-321 ai yes integrated
KDT-321 ao yes external

You can order the controller with simplified functionality don-turbo 421-lt from  dealers  at a good price.

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Description

Values

Format of information exchange with upper-level software:

  • GSM CSD
  • GSM GPRS
Signal input: 1 digital interface RS-232\RS-485;
Electrical power supply:
  • 7-30V;
  • USB
Dust-moisture protection level: IР20
Ambient air temperature: from -20°С to +50°С
Spark protection: Optionally, integrated spark protection barrier;

Certificate of type approval (RUS)

Certificate GAZSERT (RUS)

Certificate of type approval - Uzbekistan (RUS)