Flex ex terminal base units 3 publication – Rockwell Automation 1797-TB3S FLEX Ex Terminal Base User Manual
Page 3
FLEX Ex Terminal Base Units 3
Publication
1797-5.1 - June 2010
Both terminal bases are equipped with a factory-installed tab cover for the
backplane bus connection. The tab cover may be removed only when the
terminal base is connected to other terminal bases.
1797-TB3 Screw-cage Terminal Base
1797-TB3S Spring-clamp Terminal Base
Component Identification
1 Female flexbus connector
6, 7,
8
Input/output terminal strips for connecting
input/output wiring, -V, +V connections
2 Terminal base unit
9
Locking tab
3 Male flexbus connector
10 Module locking latch
4 Keyswitch - Set to the position
required for the installed module
11 Cover plug for male flexbus connector
5 Mounting holes for panel mounting
12 96-pin female I/O connector
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
34 35 36 37 38 39 40 41 42 43
45 46 47 48 49 50
44
51
1
5
6
7
8
9
10
12
Label
11
2
3
4
Only remove this cover plug if
connecting another terminal base.
41251
1
5
6
7
8
9
10
12
Label
11
2
3
4
Only remove this cover plug if
connecting another terminal base.
41253