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Rosemount 848T Manual de usuario Pagina 16

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Quick Installation Guide
00825-0100-4697, Rev DB
September 2011
Rosemount 848T
16
IG IECEx FISCO
Certificate No.: IECExBAS09.0030X
Ex ia IIC T4 (T
amb
= – 50 to 60 °C)
Table 15. IECEx Approved Entity Parameters
SPECIAL CONDITIONS OF SAFE USE (X):
1. The apparatus must be installed in an enclosure that provides a degree of protection of
at least IP20. Non-metallic enclosures must be suitable to prevent electrostatic hazards
and light alloy or zirconium enclosures must be protected from impact and friction when
installed.
2. The apparatus is not capable of withstanding the 500V isolation test required by IEC
60079-11: 2006 clause 6.3.12. This must be taken into account when installing the
apparatus.
N7 IECEx Type n Approval
Certificate No.” IECExBAS09.0032X
Ex Na nL IIC T5 (T
amb
= – 40 to 65 °C)
NOTE:
N7 is valid with S001 and S002 Input Types
SPECIAL CONDITIONS OF SAFE USE:
1. The component must be housed 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 IEC 60079-0: 2004 & IEC 60079-15: 2005.
2. Provision must be made, external to the component, to ensure the rated voltage of the
component 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 component.
NJ IECEx Type n COMPONENT Approval
Certification Number: IECExBAS09.0031U
Ex nA nL IIC T4 (T
amb
= -50 to 85 °C)
Ex nA nL IIC T5 (T
amb
= -50 to 70 °C)
Power/Bus Sensor
U
i
=17.5 V U
o
= 12.5 V
I
i
= 380 mA I
o
= 4.8 mA
P
i
= 5.32 W P
o
= 15 mW
C
i
= 2.1 F C
i
= 1.2 F
L
i
= 0 L
i
= 1 H
Table 16. IECEx Approved Entity Parameters
Power/Bus Sensor
U
i
= 42.4 Vdc U
o
= 5 Vdc
C
i
= 0 I
o
= 2.5 mA
L
i
= 0 C
o
= 1000 F
L
o
= 1 H
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