Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual - Manual (Page 143)

1 Publication 1797-6.5.6 - June 2005
Chapter
30
1797-OE8H FLEX Ex 8 Output HART
Analog Module
General Information Modules must be used with a 1797-TB3 or -TB3S intrinsically safe terminal
base unit.
Module Installation Rotate keyswitch on terminal base unit clockwise to position 4 as required for
this type of module. Do not change the position of the keyswitch after
wiring the terminal base unit.
Outputs Each output channel can operate an analog field device. Do not apply any
non-intrinsically safe signals to this module.
The channels in this module are electrically connected to each other.
Wiring to a 1797-TB3 or
-TB3S Terminal Base Unit Connect wiring to the terminal base as shown below.
41440
Row A
Row B
Row C
ch0 ch1 ch2 ch3
+V +V -V -V
+ + + + - - - -
ch4 ch5 ch6 ch7
+ - + - + - + -
No connections allowed to terminals 2, 3, 6, 7, 10, 11, 14, 15, 19, 20, 23,
24, 27, 28, 31, 32, 36, 37, 38, 39, 46, 47, 48, 49
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
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 28 29 30 31 32 33