Electric Power Transformer temperature Monitoring Device Manufacturing factory

基本功能

Provide temperature measurement for three windings; Automatic/manual start stop cooling fan function; Digital compensation function for display values of each channel; OLED液晶显示器; LED显示屏; Operating keyboard; 时钟功能;
提供黑匣子功能, capable of recording temperature data, 历史最高气温, 时间, and status during 10 power outages;
Provide transformer cabinet door opening alarm function;
提供 1 pair of over temperature alarm contacts (常开);
提供 1 pair of over temperature trip contacts (常开);
提供 1 pair of temperature controller fault alarm contacts (常开);
Provide Ethernet communication function (MODBUS-TCP protocol), communication with time stamps, and can receive time synchronization;

additional function

F: 提供RS485通讯功能 (MODBUS-RTU协议), communication with time stamps, 能够接收时间同步;
我: Core temperature measurement function, providing 1 pair of core temperature measurement alarm contacts (常开);
E: Provide 4-channel 4-20mA analog current output function;
L: Fan fault diagnosis function, providing 1 pair of fan fault alarm contacts (常开);

Characteristics of dry-type transformer state monitoring device

The protection level is IP65.
工作环境温度: -25 to+80 ℃
The contact output capacity is large.
The thermostat uses an ARM architecture CPU, which has strong data processing capabilities and system stability.
OLED LCD screen, 数字和中文显示, 按钮操作, LED信号指示显示.
The circuit board design concept of the thermostat is modular design, with strong and weak electricity separated to avoid spatial crosstalk.
The thermostat contains a clock chip and historical data storage with time stamps.
RS485 communication function, the communication protocol is the internationally open standard protocol Modbus RTU.
以太网通讯功能, communication protocol is the internationally open standard protocol Modbus TCP.