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6
Electrical connection
6 Electrical connection
The connection is made in a zero-current state, taking into consideration DIN VDE 0100 "Erection of low
voltage installations" or the respective national regulations (e.g. based on IEC 60364).
The operator is responsible for the design of the corresponding connection line.
The cables installed on the device are designed for fixed installation.
Fuse the load circuit to the maximum admissible switching current in order to prevent destruction of the
device due to an external short circuit.
chapter 4 "Technical data", Page 12
Observe the connection examples for capacitive and inductive loads.
chapter 6.2 "Connection examples", Page 26
Unless otherwise specified, the device must be grounded through the process connection or the hous-
ing.
Depending on the selected electrical connection on the device, seal the counterpiece or the cable pas-
sage in order to achieve the protection type.
WARNING!
Risk of injury and material damage due to faulty connection
A faulty connection, e.g. high short circuit current via the output, may destroy the device and lead to de-
vice malfunctions and injuries.
Connect device according to connection diagram.
Observe the necessary safety regulations.
Use a stabilized power supply unit or, in the case of a potentially explosive application, an intrinsically
safe isolation amplifier [Ex i].
Using 2-channel evaluation, the device function can be monitored in addition to point level measure-
ment, depending on the variant ordered. When connecting, both outputs have opposite states in fault-
free operation. The anti-valent electrical circuit can be used to identify malfunctions in the device or be
used in the event of line break, as both outputs switch off on the voltage side.
Connection for function monitoring
using anti-valence
2/WH
3/BU
K1
1
Voltage supply +
2
Output 2 (OUT2), e.g. PNP
3
Voltage supply -
4
Output 1 (OUT1), e.g. IO-Link in SIO mode
K1/K2
External load
22
Sensor
1/BN
covered
4/BK
Sensor
free
K2
Malfunc-
tion
L-
L+
Status display
according to
NE107
(Reference to output
1, lit up continuous-
ly)
1/BN
2/WH
1/BN
4/BK
1/BN
2/WH
1/BN
4/BK
1/BN
2/WH
1/BN
4/BK
IO-Link
(SIO mode with
Werkseinstellung)
Yellow
Yellow
Green
Green
Red
Red
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