Limaco ULM-31-HF, Руководство по эксплуатации и установке, Страница: 34 / 84

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ULM.0.01.000RE_10_08_20
Fig. 5.5 Connection of ULM-31A1, ULM-31-HF, ULM-31-HF-F, ULM-31A1-HF
and ULM-31A1-HF-F level transmitters. Option 3.
1– PC connection;
2– RS-485/USB converter;
3– Switch, RS-485 line matching load
R
A-B
=120Ω;
4, 5, 6, 10 – Shield connection of the
interface lines;
7 – Control unit, for example, PLC;
8 – Connection to the field bus inter-
face module
1
;
9 – HART-modem connection socket;
11 – Analog display unit;
12 – 24V power supply;
13 – Relay indication unit, light indica-
tion arrangement example;
14 – MicroSD memory card socket;
15 – “Backup program” switch, reset to
factory settings;
16 – Selector of the used interface
(HART or Modbus);
17 – field bus switch;
18 – Modbus address switch.
1
depending on the type of equipment used.