Owner's manual
8 FLEX Ex Terminal Base Units
Publication
1797-5.1 - June 2010
Wire the Terminal Base Units
To connect wiring, insert a blade-type screwdriver with a blade width of
2.54-3.05 mm (0.100-0.120 in.) into the slot above the selected wiring port
and lift up.
Insert the wire while holding the screwdriver up. Release the upward
screwdriver pressure to secure the wire.
WARNING
Make certain that you power this terminal base unit with an
intrinsically safe power supply. Do not exceed the values listed in
the specifications for this terminal base unit.
Wiring Connections for Terminal Base 1797-TB3
01 3245678910111213
14
15
26 27 28 29 30 31 32 3325
24
2322212019181716
44 45 46 47 48 49
50
51
43
424140
39
3837363534
41252
+V -V -V+V
A
B
C
No connections allowed to terminals 36 and 49.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
18 19 20 21 22 23 3324 25 26 27 28 29 30 31 3217
35 36 37 38 47 48 49 5034
51
16
39 40 41 42 43 44 45 46
Wiring Connections for Terminal Base 1797-TB3S
41254
Row A
Row B
Row C
Label placed at top of wiring area
Row A
Row B
Row C
+V -V
-V
+
No connections allowed to terminals 36 and 49.
+V