The MA-47 is used for conversion between RS-422/485 and RS-232/V.24 signals. This device is often used in multidrop applications mounted in the Westermo RV-01 rack system.
In 2-wire half duplex applications (RS-485) the direction of the bus can be controlled by data which means that the converter turns the bus depending on the data sent on the bus. This makes it possible to use the unit with equipment that has no handshaking signals. Transmission rates up to 38.4 kbit/s are possible and the unit meets the RS-422/485 standard allowing up to 32 nodes over a total distance of 1 200 metres.
Conversion between RS-232/V.24 and RS-422/485 signals
Suitable for 2- and 4 wire systems
DIP switch selectable fail-safe and termination circuit
Total galvanic isolation
Protects connected units from lightning/ transients
Completely data transparent
Bus state controlled by data flow
Use to connect equipment on different earth potentials
Guarantees reliable long-distance communication
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