
10 FLEX Ex 8 Input Analog, HART, and Noise Filter Analog Modules
Publication
1797-5.5 - September 2011
Wire the Module to a 1797-TB3 or 1797-TB3S Terminal Base Unit
Module Wiring
1. Connect the individual input wiring to (+) terminals (0, 4, 8, 12) on
the 0…15 row (A) and on the 16…33 row (B) (terminals 17, 21, 25,
29) as indicated in the table,
Wire Connections on page 11.
2. Connect the associated input to the corresponding (sig) terminal (1, 5,
9, 13) on the 0…15 row (A), and on the 16…33 row (B) (terminals 18,
22, 26, 30) for each input as indicated in the table,
Wire Connections
on page 11.
If you connect or disconnect wiring while the field-side power is on, an electrical
arc can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27
2
8
29 30 31 32 33
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
Row A
Row B
Row C
+- +-+-+-
+-+-+-+-
Ch 0 Ch 1 Ch 2 Ch 3
Ch 7Ch 6Ch 5Ch 4
+V
-V +V
-V
40071
sig sig sig sig
sigsigsigsig
No connections allowed to terminals 16, 33, 36, 40, 41, 42, 43, 44, 45, and 49.
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