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Wiring
3.4
Wiring the ET 200L TB 16L/TB 32L Terminal Block
Introduction
When wiring the ET 200L distributed I/O device, we distinguish between the
terminal block with its supplementary terminal and the electronics block.
S
S
Wiring the Termi-
All terminal connections on the terminal block and supplementary terminals
nal Block
are located on the front and are clearly marked and readily visible from the
front. Assignment of terminal connections to input/output channels is simple
to perform, without danger of confusion.
Connect the terminal block and the supplementary terminal in accordance
with the configuration. Figure 3-3 shows the terminal connections for termi-
nal block TB 16L. Its pinout is described in Chapter 7.
1L+ 2L+ 3L+ 4L+ 5L+
1M
2M
3M
4M
5M
Channel
Channel
Electronics
group A
group B
Power supply
Figure 3-3
Terminal Connections on Terminal Block TB 16L
3-10
The terminal block and, if required, the supplementary terminal carry the
wiring.
The electronics block incorporates the PROFIBUS-DP connection.
Signal connections for
sensors or actuators
1
2
3
4
5
6
7
8
9
17
18
19
20
21
22
23
24
25
A
Sensor supply (DI) or
chassis ground (DO)
10
11
12
13
14
15
16
TB16L
26
27
28
29
30
31
32
X
2
3
4
B
193-1CH00-0XA0
ET 200L Distributed I/O Device
EWA-4NEB 780600902-05
Connection
for PE
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