KROHNE ALTOFLUX 2W IFM 4042K EN User Manual
Page 10

Section 1.7
Part A Installation and Start-up
ALTOFLUX 2W
02/2001
10
1.7
Grounding
•
All flowmeters must be properly grounded to avoid personnel shock hazard.
•
The ground conductor should not transmit any interference voltages, therefore do not
ground any other electrical devices together with this conductor.
Repeater power supply unit
•
Protective separation (PELV) must be ensured
(VDE 0100 / VDE 0106 or IEC 364 / IEC 536, or equivalent national regulations).
•
For measurement reasons, connect an FE functional ground conductor.
Metal pipelines, not internally coated
grounding without grounding rings
Metal pipelines,
with or without internal coating,
and plastic pipelines
grounding with grounding rings
D1, D2, D3
Gaskets, not included with supply, to be provided by customer.
E
Grounding rings (option)
F
Flowmeter flanges
FE
Functional ground, wire
≥
4 mm
2
Cu (10 AWG), not included with supply,
to be provided by customer.
R
Pipeline
RF
Pipe flanges
V1, V2
Interconnecting wires, included with supply
Y
Terminal box or signal converter