4 Commissioning
BU 0250 en-3021 75
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4.5.4.4 Addressing
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Addressing with plug connector option ”-ASI“ or “-AUX”
In order to use the device in an AS-I network, both of the slaves (1st slave and 2nd slave) which are
installed in this device must be assigned a unique address. At the factory, both slaves are set to
address "0". Due to the address "0" the device can be recognised as a "new device" by an AS-I
master (prerequisite for automatic address assignment by the master).
As long as the 1st slave is in the factory setting (address "0") only this slave is visible on the bus. The
status LED for the 1st slave (bottom) lights up continuously red. The 2nd slave is not visible. The
status LED for the 2nd slave (top) flashes red.
Addressing of the 1st slave can be performed.
If the 1st slave has been assigned an address (≠ "0"), the 2nd slave, which still has address "0"
automatically becomes visible for the bus. The status LED for the 1st slave (bottom) lights up green
The status LED for the 2nd slave (top) lights up continuously red.
Addressing of the 2nd slave can be performed.
If an address (≠ "0") has been assigned to the 2nd slave, its status LED (top) also lights up green.
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Addressing with plug connector option ”-AXS“ or “-ASS”
In order to use the device in an AS-i network, it must have a unique address. The address is set to 0 in
the factory. This means that the device can be recognized as a "new device" by an AS-i master
(prerequisite for automatic address assignment by the master).
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Procedure
• Ensure power supply of the AS interface via the yellow AS interface cable.
• Disconnect the AS interface master during addressing
• Set an address ≠ "0“ for the 1st slave
• Set an address ≠ "0“ for the 2nd slave (Only if plug connector option ”-ASI“ or “-AUX”.)
• Do not doubly assign addresses
In many other cases, addressing is carried out using a normal addressing device for AS interface
slaves (example follows).
• Pepperl+Fuchs, VBP-HH1-V3.0-V1 (separate M12 connection for external power supply)
• IFM, AC1154 (battery operated addressing device)
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Special conditions for the supply exclusively via the yellow cable
• Ensure voltage supply of the SK 270E-FDS / SK 280E-FDS device also via yellow AS-Interface
cable (pay attention to current consumption of control level of the device's SK 270E-FDS / SK
280E-FDS control level (500 mA))
• When using an addressing unit
– Do not use the internal voltage source of the addressing unit
– Battery-operated addressing units do not supply the required current and are therefore not
suitable
– Use addressing units with a separate 24 V DC connection for external voltage supply (example:
Pepperl+Fuchs, VBP-HH1-V3.0-V1)
The following lists options how to practically implement the addressing of the AS-i slave using an
addressing unit.
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