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Reference Manual
00809-0100-4697, Rev EA
October 2011
B-5
Rosemount 848T
Special Conditions for Safe Use (x):
1. This apparatus must be installed in an enclosure which affords it a
degree of protection of at least IP20. Non-metallic enclosures must
have a surface resistance of less than 1Gohm. Light alloy or
zirconium enclosures must be protected from impact and friction
when installed.
2. The apparatus will not meet the 500V rms isolation test required by
Clause 6.4.12 on EN 60079-11:2007. This must be taken into account
when installing the apparatus.
NE ATEX TYPE ‘n’ APPROVAL
Certification Number: BASEFFA09ATEX0095X
ATEX Marking II 3 G
Ex nA nL IIC T5 (T
amb
= –40 to 65 °C)
Special Conditions for Safe Use (x):
1. Provisions shall be made, external to the apparatus to prevent the
rated voltage (42.4 Vdc) from being exceeded by transient
disturbances of more than 40%.
2. The ambient temperature range of use shall be the most restrictive of
the apparatus, cable gland, or blanking plug.
NOTE:
NE is valid with S001 Input Type ONLY
N1 ATEX Type n
Certification Number: Baseefa09ATEX0095X
ATEX Marking II 3 G
Ex nL IIC T5 (T
amb
= –40 to 65 °C)
Table B-9. Baseefa 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
= 1000 mH
Table B-10. Entity Parameters
Power/Bus Sensor
U
i
= 42.4 Vdc U
o
= 12.5 Vdc
C
i
= 0 I
o
= 4.8 mA
L
i
= 0 P
o
= 15 mW
C
o
= 1.2 F
L
o
= 1 H