Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual - Manual (Page 213)

Publication 1797-6.5.6 - June 2005
1797-IE8NF FLEX Ex 8 Input Analog Module with Noise Filter 46-5
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-IE8NF, 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.