Intelligent panel measuring device PMI 02

Intelligent panel measuring device

Measuring device PMI 02 is microprocessor controlled panel meter designed for measuring of analog signal and recalculating to wished indication in any standard.

If needed PMI-02 allows regulation by two reversing or three switching relays.

According to the configuration of input it is manufactured as voltmeter, amperemeter, ohmmeter, resistor thermometer or thermo element thermometer, frequencymeter and counter. The meter can work also as integrator which integrates in time measured value.

The core of the meter is exact 18-bit A/D converter which ensures accuracy and stability of measurement. Controlling microprocessor processes measured values and enables simple control of the device by four buttons on the front panel. While measuring, PMI 02 stores information about maximal and minimal measured value.

Measured value of the signals is compared with set limit values. After reaching preset value, appropriate relay switches. Switching of relays is indicated by LED diodes on the front panel. Through these limiting relays it is possible to control simple industrial processes such as regulation of height of level, overflow, temperature. It is possible to control error levels of input signals and to announce their exceeding.

All three limiting comparators are completely independent and enable to set value of comparative level, level of hysteresis, time delay of switching of certain relay on and off and the logic of switching. Function of the comparator changes according to the fact, whether the value of hysteresis is positive or negative.

PMI 02 allows to collect data from processes, to send them to the master system through serial line (RS232, RS485) or as own output analogue signal corresponding to the information on the display. It is possible to build-in a supporting power supply , which is effective for supplying of evaluating sensors. If it is necessary to back up measured data of counter or measured maximum or minimum of analog input, it is possible to use back up battery. It is also possible to use built-in clock of real time and back up data memory when creating special user software.

Documents for download 【PMI 02 (EN)】