External master BUS with Ethernet communication MI3-02M/EHT
External master MI3-02M / ETH allows expansion of the number of connected peripheral units to the central unit iNELS3 CU3-01M, CU3-02MCU3-03M or two further branches of installation BUS (i.e. about 2 x 32 peripheral units).
Part of the External Master MI3-02M / ETH is also a bus separator (BPS3), which supplies the two BUS connected to this master with 2x1A current.
The unit can communicate via the EBM system bus with the CU3-01M, CU3-02M or CU3-03M (ETH) Ethernet connection.
The advantage of using Ethernet communication is faster data transfer between masters and a faster system response.
ETH ports are used to connect up to 8 external MI3-02M / ETH master units, where one port is an input port, the others outputs and serves to interconnect the units. It is possible to connect up to 8 and CU3-03M MI3-02M / ETH to "ring" or may be a system bus linking the central unit EBM CU3-01M, CU3-02M and to extend the system by up to 8 external master MI3-02M / ETH.
The MI3-02M / ETH is equipped with an RF module that allows communication with selected iNELS RF Control units.
The status of each BUS (Run, Error) is signalled by the appropriate colour LED on the front panel of the unit.
If this is the last unit on the EBM system bus, it is necessary to terminate the line with a resistor with a nominal resistor value of 120Ω. This element, which is designed for easy insertion into the terminals, is part of a package of central units and external masters and is inserted between the EBM + and EBM- terminals.
MI3-02M / ETH is 3-MODULE designed for DIN rail mounting EN60715.