4 Electrical Connections
This section covers the all electrical connection requirement. Electrical connection of the
device must be carried out by trained, qualified specialists authorized to perform such work
by the installation site.
WARNING
x
Connect all electrical cables when the power is switched off. If the device does
not have switch-off elements, then, overcurrent protection devices, lightning
protection and/or energy isolating devices must be provided by the customer.
x
The device must be grounded to a spot in accordance with regulations to
protect personnel against electric shocks.
NOTE
x
When using the measuring device in hazardous areas, installation must
comply with the corresponding national standards and regulations and the
Safety Instructions or Installation or Control Drawings.
4.1 Grounding of Measuring Device
x
Ensure proper grounding at control cabinet and pressure transmitter.
x
Ground terminals are provided on the either sides (inside and outside) of the terminal
box. Either one of these terminals may be used for grounding the transmitter.
x
Use shielded twisted pair cable to avoid ground loops.
x
Use internal ground terminals for direct grounding.
