Emerson Rosemount 5600 Series, Справочное руководство

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58
Reference Manual
00809-0100-4024, Rev CA
Electrical Installation
March 2020
Electrical Installation
Note
The minimum voltage required at the transmitter power terminals is 20V. Check that the voltage loss
over the power cables is not large enough to make the voltage drop below 20V. The maximum voltage is
265V over the same power terminals.
3.5 Grounding
ATEX
The flameproof enclosure must be connected to a potential equalizing network or the tank shell or
according to national code of practice.
This grounding also serves as electrical safety ground. Additional connection to the protective ground
terminal of terminal X1 in Junction Box EExe is not recommended except where required according to
national code of practice. A ground loop with circulating current may occur. See
Appendix B: Product
Certifications .
Figure 3-3. Grounding Connection
FM
Grounding is accomplished through the conduit pipes.
3.6 HART electrical installation
3.6.1 External connections
Non-intrinsically safe junction box - EEx e
This Junction Box is for non-intrinsically safe connections and power supply.
NE
PA
S
O
U V
R
IR
S
O
U S
T E
N
SIO
N. HA
ZA
R
D
O
U
S
A
T M
O
S
P
H
E R
ES
DO
N
O
T O
P
E
N
W
H
E
N
E
N
E
R
G
IZ ED
.
TO
P R
E
V
E
N
T
IG
N
IT
IO
N
O
F