
Reference Manual
00809-0100-4801, Rev FA
October 2010
Rosemount 3051S Series
B-6
8. During installation, use, and maintenance of the pressure transmitter, observe the
following standards:
a. GB3836.13-1997 “Electrical apparatus for explosive gas atmospheres Part 13: Repair
and overhaul for apparatus used in explosive gas atmospheres”
b. GB3836.15-2000 “Electrical apparatus for explosive gas atmospheres Part 15:
Electrical installations in hazardous area (other than mines)”
c. GB3836.16-2006 “Electrical apparatus for explosive gas atmospheres Part 16:
Inspection and maintenance of electrical installation (other than mines)”
d. GB50257-1996 “Code for construction and acceptance of electric device for explosion
atmospheres and fire hazard electrical equipment installation engineering”
N3
China Type n - Energy Limited
Certificate No.: GYJ101112X
Ex nL IIC T5 (-40 °C
≤
Ta
≤
70 °C)
IP66
Special conditions for safe use (x)
1. The apparatus is not capable of withstanding the 500V test to earth for one minute. This
must be taken into consideration during installation.
2. The ambient temperature range of the device is: -40 °C
≤
Ta
≤
70 °C
3. Cable glands, conduit or blanking plugs, certified by NEPSI with Ex e or Ex n protection
type and IP66 degree of protection provided by enclosure should be used on external
connections and redundant cable entries.
4. See the Table for the input parameters for the energy limited transmitter.
5. The product should be used with an associated energy-limited apparatus certified by
NEPSI in accordance with GB3836.1-2000 and GB3836.8-2003 to establish an explosion
protection system that can be used in explosive gas atmospheres.
6. The cables between this product and associated energy-limited apparatus should be
shielded cables (the cables must have an insulated shield). The shield has to be grounded
reliably in the non-hazardous area.
7. Maintenance should be done in non-hazardous locations.
8. End users are not permitted to change internal components.
9. During installation, use, and maintenance of the pressure transmitter, observe the following
standards:
a. GB3836.13-1997 “Electrical apparatus for explosive gas atmospheres Part 13: Repair
and overhaul for apparatus used in explosive gas atmospheres”
b. GB3836.15-2000 “Electrical apparatus for explosive gas atmospheres Part 15:
Electrical installations in hazardous area (other than mines)”
c. GB3836.16-2006 “Electrical apparatus for explosive gas atmospheres Part 16:
Inspection and maintenance of electrical installation (other than mines)”
d. GB50257-1996 “Code for construction and acceptance of electric device for explosion
atmospheres and fire hazard electrical equipment installation engineering”
Loop /
Power
Transmitter Output
U
i
= 30 V
HART / F
OUNDATION
fieldbus
I
i
= 300 mA
HART / F
OUNDATION
fieldbus
P
i
= 1.0 W
HART
P
i
= 1.3 W
F
OUNDATION
fieldbus
C
i
= 11.4 nF
HART
C
i
= 0 nF
F
OUNDATION
fieldbus
L
i
= 0 µH
HART
(1)
/ F
OUNDATION
fieldbus
(1) For remote meter option (M7, M8, M9), L
i
= 60
µH.
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