User manual

Publication 1797-6.5.1 - April 1999
3-12 How to Install Your FLEX Ex Analog Modules
For Two-Wire Transmitter Devices
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 below.
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 below.
3. Connect +V dc power to terminal 34 on the 34-51 row (C).
4. Connect -V to terminal 35 on the 34-51 row (C).
5. If continuing power to the next terminal base unit, connect a jumper
from terminal 50 (+V) on this base unit to terminal 34 on the next base
unit.
6. If continuing common to the next terminal base unit, connect a jumper
from terminal 50 (-V) on this base unit to terminal 35 on the next base
unit.
Wiring connections for the 1797-IE8 Module
Input Input
Source
Input
Signal
Input
Return
Input Input
Source
Input
Signal
Input
Return
Input 0 A-0 A-1 A-2 Input 4 B-17 B-18 B-19
Input 1 A-4 A-5 A-6 Input 5 B-21 B-22 B-23
Input 2 A-8 A-9 A-10 Input 6 B-25 B-26 B-27
Input 3 A-12 A-13 A-14 Input 7 B-29 B-30 B-31
+V Terminals 34 and 50
-V Terminals 35 and 51
Terminals 16, 33, 40, 41, 42, 43, 44 and 45 are connected to chassis ground.

ATTENTION: Do not use the unused terminals on the
terminal base unit. Using these terminals as supporting
terminals can result in damage to the module and/or
unintended operation of your system.