Temperature Controller Automation Direct Various Styles Support Customization
The D series intelligent display controller is a new type of instrument independently researched and developed by introducing advanced foreign technology and aiming at the particularity of the hydropower industry. The accuracy, anti-interference, intelligence, stability, and reliability of the instrument have reached the international advanced level, and it can completely replace the imported display controller.
Application
Special design for temperature monitoring of hydropower plants, including tile temperature, oil tank oil temperature, cooling water temperature, cooling oil temperature, stator temperature, air cooler temperature, closed bus temperature, main transformer oil temperature and other on-site temperature displays that require connection protection and non-connection protection. control.
The special design of liquid level monitoring in hydropower plants includes on-site liquid level display and control that require connection protection and non-connection protection, such as the oil level of the thrust bearing oil tank, the oil level of the upper and lower guide bearings, and the oil tank of the water guide bearing.
Special design for flow monitoring of hydropower plants, including on-site flow display and control of air cooler cooling pipe water pipe, cooling oil pipe flow, etc. that require connection protection and non-connection protection.
Special design for pressure monitoring of hydropower plants, including technical water supply, pressure of diversion pipes, etc., on-site pressure display and control that require protection and non-connection protection
Features
Suitable for copper, platinum resistance, thermocouple, various standard and non-standard signals.
Single and double screen display, display measurement value and control target value, multiple alarm relay output is optional.
The relay can be set to delay output.
The display controller has a disconnection lock function. Sensor disconnection, disconnection fault relay output, alarm relay output is blocked (self-holding), there is
Effectively prevent accidental shutdown, used for accident shutdown protection of the unit.
The display controller has the function of gradient blocking (mutual change blocking), which effectively prevents accidental shutdown and is used for accident shutdown protection of the unit.
Using microcomputer chip, the instrument is intelligent, parameter setting and instrument verification can be done directly on the panel.
EEPROM data protection is adopted for power failure, and all the set parameters and working status can be permanently saved.
The control and output adopt photoelectric isolation, which overcomes the interference of the control object to the machine and enhances the stability.
It has an automatic zero calibration system, which overcomes the temperature zero drift caused by the change of the instrument with the ambient temperature.
With watchdog circuit and automatic reset function, the relay output state remains unchanged during reset.
The control mode and range of pressure, flow, water level meter can be set by yourself, and D/A automatically tracks range.
Select RS422, 232, 485, Modbus communication interface or D/A output for networking with the host computer.
