Limaco ULM-3D Series, Operating And Installation Manual

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5.4 Pin assignment. Connection.
Fig. 5.2 ULM-3D-5. Pin assignment. Connection. Option 1.
Адрес датчика
Sensor address
Резервная программа
Back-up program
1 – Connecting to a PC;
2 – RS-485/USB converter;
3 – RS-485 line shield, connection to the "ground" on the side of converter;
4 – Control unit, e.g. PLC;
5 – Terminal for HART-modem connection;
6 – HART digital line shield;
7 – Analog display unit;
8 – 24V power supply;
9 – Switch, matching load of RS-485 line R
A-B
=120 Ohm;
10 – microSD slot (under development);
11 – Modbus address switch;
12 – "Backup program" switch, return to factory settings.
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