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Prosonic T - FMU 130, 131, 230, 231, 232
Endress+Hauser
Electrical Connection
Cabling
Use shielded two-core instrumentation cable for the current output of the FMU 130, 131,
230 and 231. For optimal protection against electromagnetic interference, the shield
should be grounded in the control room or the nearest earthing point. A good connection
to ground is essential to good shielding.
Under certain circumstances, the digital communication signal may be affected if
unshielded cable is used.
Connection Diagrams
➀ FMU 130, 131, 230, 231: 2-wire “loop-powered”
➁ FMU 230, 231: 4-wire, including main power supply
➂ FMU 232: 4-wire, including power supply
➀ FMU 130, 131, 230, 231
4 to 20 mA
FMX 770
FXN 671
➁ FMU 230, 231
4-Wire, Including Main Power
Supply
4 to 20 mA
18 to 36 V DC
180 to 250 V AC
90 to 127 V AC
➂ FMU 232
4-Wire, Including Main Power
Supply
18 to 36 V DC
180 to 250 V AC
90 to 127 V AC
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