3-19
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Because eight–channel modules do not have a two–wire connection, you
need an external distribution block for them.
The eight channels of a module are numbered from .0 to .7. One terminal on
the terminal block is assigned to each channel. The terminal assignment and
the connection diagram are printed on the front panel of the module.
When connecting eight–channel input modules, you must connect a sensor to
terminal 1 via the L+ terminal strip.
A sensor is connected to an input module with start address 3.0. The sensor is
connected to channel 4 (address I 3.4).
13579
46 810
Channel 4
L+ M
Sensor
Channel 0
Channel 1
2
L+ Terminal Strip
Figure 3-15 Connecting a Sensor to Channel 4
Connecting Eight–
Channel Digital
Modules
Connecting Eight–
Channel Input Mo-
dules
Example
Mechanical and Electrical Configuration
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