Emerson Rosemount 848T, Reference Manual, Page: 83 / 136

75
Reference Manual
00809-0100-4697, Rev GA
Appendix B: Product Certifications
November 2014
Product Certificates
Special Conditions of Safe Use:
1. The component must be installed in a suitable component certified enclosure
that provides a degree of protection of at least IP54 and meets the relevant
material and environmental requirements of EN 60079-0:2006 and EN
60079-15:2005.
2. Provision must be made, external to the apparatus, to ensure the rated voltage of
the apparatus supply is not exceeded by transient disturbances of more than
40%.
3. The electrical circuit is connected directly to earth; this must be taken into
account when installing the apparatus.
B.5.1 Brazil
I2 INMETRO Intrinsic Safety
Certificate: NCC 12.1156X
Standards: ABNT NBR IEC 60079-0:2008 Versão corrigida 2011, ABNT NBR IEC
60079-11:2009, ABNT NBR IEC 60079-26:2008 Versão corrigida 2009, ABNT
NBR IEC 60079-27:2010
Markings: Ex ia IIC T4 (-50 °C
≤
T
a
≤
+60 °C)
Special Conditions of Safe Use:
1. The equipment must be installed in an enclosure that provides a degree of
protection of at least IP20 and which is appropriate to the application specified in
ABNT NBR IEC60079-0.
2. The equipment is not capable of withstanding the dielectric strength test of
500V according to item 6.3.12 of ABNT NBR IEC60079-1, this should be
considered in the installation, see installation manual.
IB INMETRO Intrinsic Safety
Certificate: NCC 12.1156X
Standards: ABNT NBR IEC 60079-0:2008 Versão corrigida 2011, ABNT NBR IEC
60079-11:2009, ABNT NBR IEC 60079-26:2008 Versão corrigida 2009, ABNT
NBR IEC 60079-27:2010
Markings: Ex ia IIC T4 (-50 °C
≤
T
a
≤
+60 °C)
Table B-6. INMETRO-2 Entity Parameters
FISCO (Input)
Sensor Field Terminal
(Output)
U
i
= 30 Vdc U
o
= 12.5 Vdc
I
i
= 300 mA I
o
= 4.8 mA
P
i
= 1.3 W P
o
= 15 mW
C
i
= 2.1 nF C
o
= 1.2 mF
L
i
= 0 L
o
= 1 H