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Rosemount 848T Manual de usuario Pagina 11

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Quick Installation Guide
00825-0100-4697, Rev DB
September 2011
Rosemount 848T
11
N5 Dust Ignition-Proof
For use in Class II, III, Division 1, Groups E, F, G. Class I, Division 2, Groups A, B, C, D;
Non-incendive for Class 1, Division 2, Groups A, B, C, D when installed to Rosemount
Control Drawing 00848-4404.
Rosemount Enclosure Required.
Valid with both S001 and S002 options.
Temperature Code:
T4A (T
amb
= –40 to 85 °C)
T5 (T
amb
= –40 to 70 °C)
NK Non-Incendive for use in Class I, Division 2, Groups A, B, C, D (suitable for use with
Non-Incendive field wiring) when installed in accordance with Rosemount Drawing
00848-4404.
Temperature Code:
T4A (T
amb
= -40 to 85 °C)
T5 (T
amb
= -40 to 70 °C)
Rosemount Enclosure Required.
Indoor Hazardous (Classified) Locations.
Canadian Standards Association (CSA) Approvals
E6 Explosion-Proof and Dust Ignition-Proof
Class I, Division 1, Groups B, C, and D.
Class II, Division 1, Groups E, F, and G.
Class III
Must be installed in enclosure option JX3.
Install per drawing 00848-1041.
Conduit seal not required.
Table 6. Entity Parameters
Power/Bus Sensor
(1)
(1) Entity parameters apply to entire device, not individual sensor channels.
V
max
= 17.5 V V
OC
= 12.5 V
I
max
= 380 mA I
SC
= 4.8 mA
P
i
= 5.32 W P
o
= 15 mW
C
i
= 2.1nF C
A
= 1.2 F
L
i
= 0 L
A
= 1 H
Table 7. FM Approved Entity Parameters
(1)
(1) Intrinsically safe and non-incendive parameters
Power/Bus Sensor
V
max
= 42.4 V V
OC
= 12.5 V
C
i
= 2.1 F I
SC
= 4.8 mA
L
i
= 0 H P
o
= 15 mW
C
A
= 1.2 F
L
A
= 1 H
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