MICROPROCESSOR CONTROLLER FOR FREE !!!

In screw compressors Airpol with the motor power from 22 up to 250 kW we give you microprocessor controller Airpol Power Control absolutely for free.
The controller is designed to provide an optimal control of the the air compression process which produces economical effects by reducing energy consumption.

 

Screw compressors with motors over 22kW are, as a standard, equipped with the AIRPOL-POWER-CONTROL microprocessor controller. Its task is to supervise and to control operation of all sort of screw compressors, considering different options that result from various power of the machines and specific work environment. At the design stage the latest development trends in the area of compressed air technique have been taken into account.
Our goal was to create optimum compressed air control system, bringing economical effects by increasing energy efficiency together with safe electric motor operation.
Energy saving is achieved by constant measurement of motor temperature and idle running time adjustment. When the motor is not warmed up enough the controller shortens time of idle run, switching the compressor earlier. Idle run time is enough only for discharging and a safe stop. However, when motor temperature exceeds the factory set value, the controller prolongs the idle run time until the motor temperature is cooled down. The advantage of that control system is an immediate availability of the compressor for the next run. A parallel measurement of temperature and current gives the best failure protection of the motor - better than standard thermo-bimetallic transmitter.
The AIRPOL-POWER-CONTROL controller is responsible for controlling and adjusting work of the compressor in an economical way. The operator is informed about all significant work conditions and all set values of the compressor.
When creating the microprocessor controller, we focused on easy operation and clear way of changing parameters and displaying them. In order to achieve that we created legible text display symbols arranged in a logical way. There is also a possibility of changing displayed language (Polish, English and Russian) when required.
On the controller's front, beside the display there are LED diodes that indicate the most important compressor's conditions.
There are only four buttons (beside START and STOP) to change compressor's work parameters. Operation is thus simplified with no need to permanently consult the manual. Some of the important compressor's work parameters can be protected with password, which precludes the unauthorised personnel from changing them.
The following parameters are displayed on the control desk: minimum pressure, maximum pressure, current work pressure, current oil temperature, current motor temperature, idle run time, chosen work mode.
The controller in question is accompanied by the MsConnect.exe application for Windows. The software enables communication between the controller and the computer through a RS-232 serial connector. The task of that communication is to visualize (to monitor) entire work of the compressor or a group of compressors.
The programme performs the following actions:

1. Recording current parameters of the compressor work:
- current working pressure,
- upper and lower limits of working pressure,
- motor temperature,
- oil temperature,
- number of hours of work,
- value of electrical current drawn by the compressor,
- - time of work in idle running.

2. Modification of settings of the above-mentioned parameters.

Recording current parameters of the compressor work

3. Recording of graphs:
- value of pressure in the function of time and,
- value of electrical current drawn by the compressor in the function of time.

4. Report of the compressor work along with the specification and interpretation of the last 16 errors in operation.

As a standard, all AIRPOL-POWER-CONTROL controllers are equipped with a real-time clock, which makes it possible to switch the compressor on and off at a pre-defined time (on a given day, at a given hour and minute).

Recording of graphs

Optionally, the controller may be equipped with steering and monitoring function enabled by means of the GSM network. After the installation of a special GSM modem (or using a GSM telephone equipped with an RS-232 interface) in the AIRPOL-POWER-CONTROL controller, the operator has the option to remotely communicate using his mobile phone. All information about the parameters of the compressor work (compressor status) as well as any messages signalling failures are sent from the controller in the form of short text messages (SMS). Also, the operator can modify compressor parameters using his mobile phone.

The connection of the controller with an Ethernet module enables the remote control (in real time) of the compressor(s) via the Internet. This is particularly convenient while operating compressors in remote places with no regular supervision. For the sake of convenience of servicing, it is also possible to use a transponder card connected to the controller connector, which records all status parameters of the compressor and a list of errors. The card can be sent to the producer and its contents can be read on a PC computer in order to identify an operation error.

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