SMY133-SMY134-SMP133 Operating Manual
7.2.2 Modbus-RTU Communications Protocol
For the chance of easier integration of the instrument to the user's program, the instrument is also
equipped with the Modbus - RTU communications protocol. A detailed description of the
communications records can be found in an appropriate manual.
7.2.3 M-Bus Communications Protocol
Standard setup for this interface is address 1, communication rate 2400 Bd and 9 bits with even parity
protocol. Secondary address is BCD-coded instrument serial number.
Maximum communication rate is 9600 Bd. Description of the protocol can be found in
the Description
of Communication Protocol
7.3 Embedded Webserver
All of instruments with Ethernet remote communication interface are equipped with an embedded
webserver, thus both all of main measured values and the instrument setting can be viewed with a
standard web browser. It requires to set properly the instrument remote communication parameters
and to connect it to the network. Then in the web browser enter appropriate IP-address of the
instrument and information from the instrument appears as shown on the figure.
Fig. 7.1 : Webserver
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