Siemens SITRANS FUE950, Руководство по эксплуатации, Страница: 30 / 72

Connecting
5.3 Power supply options
Mounting power supply module
1. Push power supply unit into place in bottom section (if not done already).
2. Press power supply cable into cut-out in top of bottom section so that it is not crushed
when refitting top of energy calculator (if not done already).
3. Mount plug on connection pin (if not done already).
4. Connect 24 V AC or 230 V AC cable to terminals (check voltage supply on top of
transformator).
5. After installing main power cable, install plastic cover using the two screws in order to
avoid contact between voltage-carrying parts and cable-pull-relief, see figure below
6. Refit the top of the energy calculator.
The 230 V module has a built-in fuse (T50mA L 250V).
Note
The mains unit tells the module whether mains voltage is present and switches automatically
to power save mode. The display is also switched off, but can be switched on again by
pressing any button. Communication is retained, e.g. over the M-Bus or the optical interface.
WARNING
Never connect between two phases, as this will destroy the mains unit
SITRANS FUE950
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Operating Instructions, 01/2010, SFIDK.PS.022.F4.02