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Rosemount 848T Manuel d'utilisateur Page 18

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Vue de la page 17
January 2015
18
Quick Start Guide
International
I7 IECEx Intrinsic Safety
Certificate: IECEx BAS 09.0030X
Standards: IEC 60079-0:2011, IEC60079-11:2011
Markings: II 1 G Ex ia IIC T4 Ga (-50 °C
≤ T
a
≤ +60 °C)
Special Conditions for Safe Use (X):
1. The equipment 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 equipment is note capable of withstanding the 500 V insulation test
required by EN 60079-11:2012, clause 6.3.13. This must be taken into
account when installing the equipment.
IG IECEx FISCO Intrinsic Safety
Certificate: IECEx BAS 09.0030X
Standards: IEC 60079-0:2011, IEC60079-11:2011
Markings: II 1 G Ex ia IIC T4 Ga (-50 °C
≤ T
a
≤ +60 °C)
Special Conditions for Safe Use (X):
1. The equipment 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 equipment is note capable of withstanding the 500 V insulation test
required by EN 60079-11:2012, clause 6.3.13. This must be taken into
account when installing the equipment.
N7 ATEX Type n (with enclosure)
Certificate: IECEx BAS 09.0032X
Standards: IEC 60079-0:2004, IEC 60079-15:2005
Markings: Ex nA nL IIC T5(-40 °C ≤ T
a
≤ +65 °C)
Special Conditions for Safe Use (X):
1. 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%.
Table 9. Entity Parameters
FISCO
(input)
Sensor field terminal
(output)
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 nF C
O
= 1.2 μF
L
i
= 0 L
O
= 1 H
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