PCH vibration sensor

PCH vibration sensor

PCH1072Mm2 Vibration Monitor: 1-channel SIL2 Machine Protection PCH1072 is a new generation of high-quality, low-cost vibration monitoring device that can be used for various rotating machinery applications. The PCH1072 vibration monitor has one input channel and two relays, providing SIL2 rated machine protection and measuring acceleration, velocity, or displacement. By using complementary Windows based user software, it is easy and flexible to set various frequency ranges, alarm levels, and delays for PCH1072.

Compare the vibration level continuously with two alarm limits. If the alarm limit is exceeded, both alarm/danger relays will be triggered, and the operator will be notified through the connected rotor light, buzzer, controller, or by directly shutting down the machine. The main features of the consultant are 1 vibration input channel (accelerometer, proximity probe or velocity probe), 2 relays, and 4-20mA output. Redundant Safety Relay (SIL2) configurable alarm level and delay offline FFT analysis buffer output (optional) Modbus RTU (optional) IoT ready 1220 pounds/hour vibration switch frequency range: 10 to 1000Hz alarm level: custom settings signal detection: RMS measurement parameters: speed (mm/s) output: 1 alarm relay.

The default tripping speed is 7.5mm/s. Compliance: IP66/68. View product page 1232 MODBUS vibration protection device. Frequency range: 4 configurable filters, 0.7Hz to 1kHz. Measurement range: adjustable through software (default value is 0-20mm/s). Measurement parameters: speed (mm/s) or acceleration (m/s2). Signal detection: RMS, Peak, PeaktoPeak. Output: 2 analog DC outputs (4-20mA).

0.1-200Hz measurement range: 300mV/g or 30.6mV/m/s2 signal detection: peak measurement parameters: acceleration (m/s2) view product sensors vibration sensors, accelerometers, and proximity probes page 1106 vibration sensors

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Shandong Sailite Automation specializes in importing European and American imported parts from Germany, the United States, Italy, and other countries; Main products: industrial accessories, electromechanical parts, commonly used instruments and meters, mechanical equipment, etc.

Industrial Knowledge

Function of liquid level indicator

(1) Real time display of the liquid level in the storage tank and the cumulative amount of incoming/outgoing fluid using LED.

(2) Real time transmission of the liquid level, cumulative amount, and current time of the storage tank to the management computer in the control room.

(3) On the measuring device, the zero and full levels of the liquid storage tank can be set using the keyboard.

(4) The cumulative amount recorded by the measuring device can be retained, or a new initial value can be set by the management computer.

(5) One management computer can communicate and manage up to 128 measuring devices for liquid storage tanks.

Software for liquid level indicator device

The program of the measuring device is written in PL/M-51 language. PL/M-51 language is a structured high-level language that can be used for MCS-51 series microcontrollers. Its feature is that it combines the advantages of both high-level languages and assembly languages, and can directly utilize the hardware characteristics of the CPU for program design. The 1PL/M-51 language program design block has good readability, high reliability, and high code conversion quality.

The entire program is divided into two parts: the main program and the communication interruption program. The main program completes functions such as key processing, data reading, Gray code to binary conversion, BCD code conversion, display, liquid level calculation, and cumulative quantity calculation. Switch the display of liquid level and accumulation alternately every 5 seconds.

Working principle of pressure reducing valve

A pressure reducing valve is a type of valve that adjusts the flow rate of the medium by controlling the opening of the opening and closing components inside the valve body, reducing the pressure of the medium. At the same time, the opening of the opening and closing components is adjusted by the pressure behind the valve to maintain the pressure within a certain range. Cooling water is sprayed into the valve body or behind the valve to lower the temperature of the medium. This type of valve is called a pressure reducing and temperature reducing valve. The selection of quick and easy automation for pressure reducing valves is included. The characteristic of this valve is to maintain the outlet pressure and temperature values within a certain range while the inlet pressure is constantly changing.