Technology Modules
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12.6 BL20-E-1SWIRE
12.6.1 Features
The BL20-E-1SWIRE makes it possible to operate an SWIRE bus with up to 16 SWIRE slaves. A 6-core
cable is used here for power and data transfer.
A BL20-Station may contain a maximum number of 3 SWIRE-modules.
The voltage UAUX for supplying the relays and the USW for supplying the electronic equipment
must be connected separately on the BL20-E-1SWIRE. Both power supplies must be fed from a sin-
gle power supply unit although it is possible to disconnect UAUX separately. The SWIRE slaves and
the accessories must be purchased from Turck.
The product BL20-E-1SWIRE connects the motor starters networked via SWIRE as local components
to different standard fieldbus systems.
Fig. 293: BL20-E-1SWIRE
Fig. 294: BL20-E-1SWIRE in the system