4-20
VersaPoint™ I/O System Profibus-DP NIU User’s Manual – August 2005
GFK-1911B
4
Connecting 2-Wire Discrete Sensors and Actuators
Example A
below shows the connection of a 2-wire sensor. The sensor signal is
carried to the module point IN
1
. Sensor power is supplied through the voltage U
S
.
Example B
below shows the connection of an actuator. The actuator power is
supplied through output OUT
1
. The load is switched directly by the output. The
maximum current carrying capacity of the output must not be exceeded.
Connecting 3-Wire Discrete Sensors and Actuators
Example A
below shows the connection of a 3-wire sensor. The sensor signal is
carried to the module point IN
1
(IN2). The sensor is supplied with power using the
module points U
S
and GND.
Example B
below shows the connection of a shielded actuator. The actuator is
supplied through output OUT
1
(OUT2). The load is switched directly by the output.
The maximum current carrying capacity of the output must not be exceeded.
Summary of Contents for VersaPoint IC220PBI002
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