Technical information

13
Auxiliary energy
AC supply 55 ... 264 VAC; insensitive to polarity / CSA approved: 55 ... 250 VAC
DC supply 18 ... 55 VAC/DC
Power consumption • 370 mA @ 24 VDC
• 200 mA @ 48 VDC
• 75 mA @ 125VAC
• 45 mA @ 220 VAC
Fuse Internal (on primary power)
Grounding The NRF590 must be grounded to the tank potential before communication and power connections are made.
The connections (A ≥ 4mm
2
) from each outer ground plug of the NRF590 to the tank ground must be made
before any other wiring connections are made. All grounding must be compliant with local and company
regulations and checked before the equipment is commissioned.
L00-NRF590-04-08-08-en-004
A > 4 mm
2
Tank Ground