Owner's manual

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 12 345 67 89101112131415
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 5044 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