3.2 Power supply connection
- Before installing the unit please check that the power supply
corresponds with that shown on the unit legend plate.
- Always connect the earth protection cable before attempting
to connect any other cables.
-Whenoperatingwitha90to250V
AC
unitapowerisolator
must be situated within easy reach of the unit. This should
also be fused with max ≤ 10 A.
3.3 Loop power supply connection
The unit is fitted with a loop power supply that is galvanically
isolated from the signal input. This means that transmitters do
not need any further external components to power them.
Internal circuit
Process display
45
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