onlinecomponents.com
IBSL SYS PRO UM E
1-28 6057AC01
1.8.4 Connecting the INTERBUS Loop
(IP 20 BK Module)
The INTERBUS Loop has a ring structure. The first device of this ring is
connected to the BK module. From the last device the INTERBUS Loop
cable is led back to the BK module.
At initial startup, before connecting the installation local bus to the BK
module make sure that the installation local bus and actuator supply are
correctly installed. For further information about initial startup please refer
to Section "Initial Startup" on page 1-37.