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Page 51
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1 DMT transducer
2 Controller
3 Meter
4 Recorder
5 24 V DC (16...30 V DC/40 V DC) power supply unit
6 4-20 mA current loop
IMPORTANT
• The signal inputs of all devices in the current loop must be
electrically isolated from the current output.
• Take into account the sum of the ohmic resistances of all
devices in the current loop (excluding power supply).
The input voltage of the transducer must never drop below
16 V during operation.
The measured value will otherwise be wrong.
Wiring example - two wire system
BA_DM_163_03_08_GB.p65 26.03.2008, 10:20 Uhr51
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