With the continuous development of digital technology and microcomputer technology, digital display meters and new display and recording instruments with single-chip microcomputer as the core are more and more widely used in the field of industrial automation and industrial control. The digital display meter, like the pointer meter, matches with various sensors and transmitters to measure electric power, pressure, level, liquid level, flow rate and temperature, and directly displays the measured results in digital form.
Classification of digital display meters:
According to the signal form: ammeter, voltmeter, frequency meter...
According to the number of measurements:single point meter, multi-point meter
According to function: simple display, display alarm meter, display transmission meter, display communication meter, display record meter, multi-function meter, etc.
Characteristics of single loop digital display controller
Simple measurement and display controller adopts modular structure scheme, simple structure, easy operation, cost-effective,and high cost performance. It is suitable for plastics, food, packaging machinery and other industries.
★Single channel input, dual screen LED digital display.
★ With 33 kinds of signal input functions, the input signal type can be arbitrarily selected,and the measurement accuracy is 0.3%.
★The resolution of thermal resistance\thermocouple signal can be switched: 1°C or 0.1°C.
★ With upper and lower limit alarm function, with LED alarm lamp indication.
★ The voltage and current transmission output signals are optional.
★ Support RS485 serial interface, using standard MODBUS RTU communication protocol.
★ With DC24V feed output,power distribution for field transmitter.
★ Photoelectric isolation technology is used each other among input, output, power supply, and communication.
★It has many outline dimensions and styles for users to choose.
★ After the parameter is set, the password is locked, and the parameter setting is permanently saved after power off.