Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual

Page 208

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Publication 1797-6.5.6 - June 2005

45-4 1797-IE8H FLEX Ex 8 Input HART Analog Module

are less than or equal to V

max

and I

max

of the intrinsically safe apparatus and the

approved values of C

a

and L

a

of the associated apparatus are greater than C

i

+

C

cable

and L

i

+ L

cable

respectively for the intrinsically safe apparatus.

Simple apparatus is defined as a device which neither generates nor stores

more than 1.2V, 0.1A, 20µJ, or 25mW.

Wiring methods must be in accordance with the National Electric Code,

ANSI/NFPA 70, Article 504 and 505. For additional information refer to
ANSI/ISA RP12.6.

This module, 1797-IE8H, must be used with terminal base 1797-TB3 or

1797-TB3S.

Terminals 3, 7, 11, 15, 20, 24, 28, 32, 36-39, and 46-49 shall not be

connected.

WARNING: Substitution of components may impair intrinsic safety.

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