Controller with simplified functionality Don-Turbo 421-Lt
Our dealersPurpose:
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 |
Description |
Values |
Format of information exchange with upper-level software: |
|
Signal input: | 1 digital interface RS-232\RS-485; |
Electrical power supply: |
|
Dust-moisture protection level: | IР20 |
Ambient air temperature: | from -20°С to +50°С |
Spark protection: | Optionally, integrated spark protection barrier; |