8
IE-SNC-T43(4)11-02
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Running HyperTerminal displays main menu.
Select items one by one to set transducer:
0 … Displays actual setting of the transducer
1 … Selection of communication protocol and setting of its parameters (transducer address,
communication speed…). For entering numeric values use digits 0 to 9 and characters
„A“ to „F“ (upper case letters), transducer address is entered always as two digits
hexadecimal number (no decimal, e.g. address 11 i.e. Bh must be entered as 0B).
2 … Setting of LCD display of the transducer (display switched ON/OFF, selection of
displayed values)
8 … Setting communication to default value from manufacturer (Modbus, address 01h,
9600 Bd)
9 … End of setting
All changes in setting are continuously automatically stored.
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If needed, close transducer again with cover.
Description of communication protocols
To change of communication protocol proceed in accordance with chapter „
Setting of transducer,
selection of communication protocol
“
Note: After switching ON the power of the transducer, it can last up to 2 s transducer starts to
communicate and measure!
Modbus RTU
Control units communicate on master-slave principle in half-duplex operation. Only master
can send request and only addressed device responds. During sending of request no other slave
station should respond. During communication, data transfer proceeds in binary format. Each Byte