Type MATÜA
The MATÜA-01 code transmitter interrupts (codes) the 220 V / 75 Hz primary supply of 75 Hz track circuits. It replaces the earlier group of three separate units (code transmitter, code follower, power supply) that performed this task, and also meets additional requirements that could not be met with the earlier code transmitter.
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Request a quoteThe MATÜA-01 code transmitter interrupts (codes) the 220 V / 75 Hz primary supply of 75 Hz track circuits. It replaces the earlier group of three separate units (code transmitter, code follower, power supply) that performed this task, and also meets additional requirements that could not be met with the earlier code transmitter.
The unit generates only one code at a time, so it is used mainly in block sections. The code and the code period are selected by linking the appropriate connection points. If the code selection wiring is interrupted, the feed stops, which brings the signalling system into a safe state.
The MATÜA also has a built-in evaluation circuit that can drive external relays according to the code of a separately connected signal. The unit can therefore also check that the signal actually present on the track is correct, which prevents a wrong code being sent because of mixed signals, a code selection error or a code transmitter fault.
The MÜA120-01 electronic code transmitter – an add-on unit for the MATÜA-01 block code transmitter – generates the 120 km/h track information (the so-called 4* code) in the 75 Hz track circuits of signalling equipment, which is needed to operate EVM-120 train stop equipment.
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