Wire the terminal base units, 8 flex ex terminal base units publication – Rockwell Automation 1797-TB3S FLEX Ex Terminal Base User Manual
Page 8
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
0
1
3
2
4
5
6
7
8
9
10 11 12 13 14
15
26
27 28
29 30 31
32 33
25
24
23
22
21
20
19
18
17
16
44 45
46 47 48 49 50
51
43
42
41
40
39
38
37
36
35
34
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
33
24
25
26
27
28
29
30
31
32
17
35
36
37
38
47
48
49
50
34
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