Advantages of remote reading:
•Higher speed and number of performed readings;
•Faster data processing and faster calculation;
•Reading without disturbing user;
•No human factor errors; no wrong reading or presence at the area of reading;
•Fast detection and removal of defects.
Possibilities of remote reading:
•SCAN SYSTEM – pulse water meter reading at the measurement site – electronic meter reading using manual terminal (electronic meter reading -
EMR);
•RADIO SYSTEM- Reading in the field – pulse water meter reading near the measurement site – electronic reading while walking or driving (offsite
meter reading - OMR);
•RADIO SYSTEM- landline networks;
•M-BUS SYSTEM – automatic reading of pulse meters (automatic meter reading - AMR).
The M-Bus System:
The CmC Controlmatic Commerce d.o.o. has introduced in the Montenegrin market the remote water meter reading, the project which means a step forward in the future for the most water supply companies. Since amended Law on Communal Activities determined installation of water meters in every apartment, it posed a problem for the public water supply companies in reading an increased number of meters in the network. CmC Controlmatic Commmerce d.o.o. company which cooperates with the renowed international company ABB-ELSTER, can offer a complete M-BUS remote reading system which in the European context represents the best technology and eliminates the problem of reading increased number of water meters. There is no need for meter readers to come to houses or flats for reading meters. In this way we avoid errors due to human factor and we perform faster data transfer.
M-Bus system is a cost effective system using a simple remote meter reading for electricity, gas, heat or water. It not necessary for a meter reader to enter homes or flats to read. The M-Bus system can be connected to the system installed in the buildings.
Features and operation principle of M-BUS system:
•Meters are connected to M-bus network via M-bus module;
•M-Bus network is a two-strand cable network which connects all the meters;
•Control units from PW3 to PW 250 for control system of different sizes;
•The maximum length of the cable depends on the number of meters and type of cable;
•Each meter has its own address which is the key for a direct access to the control unit ;
•You can have different data readings for individual meters or groups of meters.
Units of M-BUS system:
SLAVE unit:
Modules M-1, M-2, M-4 allows the connection of one, two or four different meters with the pulse output to control unit M-BUS (PW 3/5,PW 20, PW 60, PW 250). The unit acts as a "servant" (slave), which means that results can be sent only at the request of the "master" (master).
Major characteristics of the module:
•Power supply via control units and / or built-in battery;
•Uninterrupted operation even when the failure of the control unit occurs;
•M-Bus protocol in compliance with EN 1434-3;
•Many devices connected at a great distance;
•Setting the parameters via M-Bus.
MASTER unit (control unit) :
This unit can be used as a control/monitoring device or as a converter for the M-Bus system. It can monitor up to 250 meters with pulse output.
Possibilities of converting:
•Versions: PW3/5 (for reading up to 5 meters), PW 20 (for reading up to 20 meters), PW 60 (for reading up to 60 meters), PW 250 (for reading up to 250 meters);
•The unit turns off when a short circuit occurs or when overloaded;
•Overcurrent protection;
•LED diode for display;
•Service and modem connection;
•Modular design;
•Possibility of diagnostics of the system;
•CE tested.
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