Rosemount 848T Manuale Utente Scaricare il pdf (Pagina 10)

Quick Installation Guide

00825-0100-4697, Rev DB

September 2011

Rosemount 848T

PRODUCT CERTIFICATIONS

North American Approvals

Factory Mutual (FM) Approvals

I5 Intrinsically Safe and Non-Incendive

Intrinsically Safe for use in Class I, Division 1, Groups A, B,C, D; when installed per

Rosemount drawing 00848-4404.

Temperature Code:

T4 (T

amb

= –40 to 60 °C)

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.

Table 5. Entity Parameters for Non Incendive Field Wiring

IE FISCO (Fieldbus Intrinsically Safe Concept) Intrinsic Safety

Intrinsically safe for use in Class I, Division 1, Groups A, B,C, D; when installed in

accordance with Rosemount Drawing 00848-4404.

Temperature Code:

T4 (T

amb

= –40 to 60 °C)

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)

Table 4. FM Approved Entity Parameters

Power/Bus Sensor

(1)

(1) Entity parameters apply to entire device, not individual sensor channels.

max

= 30 V V

= 12.5 V

max

= 300 mA I

= 4.8 mA

= 1.3 W P

= 15 mW

= 2.1 nF C

= 1.2 F

= 0 L

= 1 H

Power/Bus Sensor

(1)

(1) Entity parameters apply to entire device, not individual sensor channel.

max

= 42.4 V

= 12.5 V

= 2.1nF I

= 4.8 mA

= 0

= 15 mW

= 1.2 F

= 1 H

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