Rosemount 848T Manuale Utente Pagina 18
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18
Rosemount 848T Family
November 2014
www.rosemount.com
2. This apparatus is not capable of withstanding the 500
V rms insulation test required by Clause 6.4.12 of
GB3836.4-2000.
3. The ambient temperature range of the equipment is
T4(-50 °C ≤ T
a
≤ +60 °C).
4. Parameters:
Note
Non-FISCO parameters listed above must be derived from
a linear supply with a resistance limited output.
5. The product complies to the requirements for FISCO
field devices specified in IEC60079-27: 2008. For the
connection of an intrinsically safe circuit in accordance
FISCO model, FISCO parameters of this product are as
above.
6. The product should be used with Ex-certified
associated apparatus to establish explosion protection
system that can be used in explosive gas atmospheres.
Wiring and terminals should comply with the
instruction manual of the product and associated
apparatus.
7. The cables between this product and associated
apparatus should be shielded cables (the cables must
have insulated shield). The shielded cable has to be
grounded reliably in non-hazardous area.
8. End users are not permitted to change any
component's insides, but to settle the problem, in
conjunction with manufacturer to avoid damage to the
product.
9. During installation, use and maintenance of this
product, observe following standards:
GB3836.13-1997 “Electrical apparatus for explosive
gas atmospheres Part 13: Repair and overhaul for
apparatus used in explosive gas atmospheres”
GB3836.15-2000 “Electrical apparatus for explosive
gas atmospheres Part 15:
Electrical installations in hazardous area (other than
mines)”
GB3836.16-2006 “Electrical apparatus for explosive
gas atmospheres Part 16:
Inspection and maintenance of electrical installation
(other than mines)”
GB50257-1996 “Code for construction and
acceptance of electric device for explosion
atmospheres and fire hazard electrical equipment
installation”
N3 NEPSI Type n
Certificate: GYJ12.1035U
Standards: GB3836.1-2010, GB3836.8-2003
Markings: Ex nA nL IIC T4/T5 Gc
Special Conditions for Safe Use (X):
1. This component is not capable of withstanding the
500 V electrical strength test defined in Clause 8.1 of
GB3836.8-2003. The must be taken into account
during installation.
2. This 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
GB3836.1-2010 and GB3836.8-2003.
3. 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 the
40%.
4. The ambient temperature range is:
5. Maximum input voltage: 42.4 V.
6. End users are not permitted to change any
components inside, but to settle the problem in
conjunction with manufacturer to avoid damage to the
product.
7. During installation, use and maintenance of this
product, observe the following standards:
GB3836.13-1997 “Electrical apparatus for explosive
gas atmospheres Part 13: Repair and overhaul for
apparatus used in explosive gas atmospheres”
GB3836.15-2000 “Electrical apparatus for explosive
gas atmospheres Part 15: Electrical installations in
hazardous area (other than mines)”
GB3836.16-2006 “Electrical apparatus for explosive
gas atmospheres Part 16: Inspection and maintenance
of electrical installation (other than mines)”
GB50257-1996 “Code for construction and
acceptance of electric device for explosion
atmospheres and fire hazard electrical equipment
installation engineering”
Japan
I4 TIIS FISCO Intrinsic Safety (ia)
Certificate: TC19713
Markings: IIC T4
H4 TIIS FISCO Intrinsic Safety (ib)
Certificate: TC20737
Markings: IIC T4
Terminals of power/loop (1-2)
Output
Maximum
Output
Voltage:
Maximum
Output
Current:
Maximum
Output
Power:
Maximum External
Parameters:
U
o
(V) I
o
(mA) P
o
(mW) C
o
(μF) L
o
(H)
F 30 300 1.3 2.1 0
F (FISCO) 17.5 380 5.32 2.1 0
Terminals of sensor
Output Ter minals
Maximum
Output
Voltage:
Maximum
Output
Current:
Maximum
Output
Power:
Maximum
External
Parameters:
U
o
(V) I
o
(mA) P
o
(mW) C
o
(μF) L
o
(H)
F 1-8 30 300 1.3 2.1 0
T Code Ambient temperature
T4 -50 °C ≤ T
a
≤ +85 °C
T5 -50 °C ≤ T
a
≤ +70 °C
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