Connection
Connection
iso685-D-P_D00170_03_M_XXEN/07.2017
26
6.8 Connection to the relay 1 interface (11 12 14)
Position the terminal cover and click it into place
11
12
14
Relay 1
Common
contact
Normally open (n.o)
Normally closed (n.c)
6.9 Connection to the relay 2 interface (21 22 24)
Position the terminal cover and click it into place
21
22
24
Relay 2
Common contact
Normally closed (n.c)
Normally open (n.o)
Connection
Connection
iso685-D-P_D00170_03_M_XXEN/07.2017
27
6.10 Connection to the BB bus
The BB bus is an interface that enables Bender devices to communicate with each other.
The BB bus can be used with an ISOMETER® and one or more EDS44…-S. For this purpose,
the BB bus is installed at the rear side of both devices and afterwards, both devices are
mounted next to each other on the DIN rail. For further information, refer to the quick-
start guide enclosed to the BB bus PCBs.
If the ISOMETER® is combined with an EDS44…-S the BB bus 6TE connec-
tor listed in
“Accessories” on page 87
" must be ordered additionally. It is re-
quired to connect the ISOMETER® with the EDS44…-S.
Sensor variant devices that are additionally connected to the ISOMETER®
do not require additional supply voltage when the devices are connected
to the BB bus via X3.
A maximum of two EDS44…-S can be connected to an ISOMETER®.
When the BB bus is installed, the EDS44… must always be mounted on the
right side of the ISOMETER®. In addition, for protection against short cir-
cuits, a BB bus end bracket must be mounted to each first and last device
on the DIN rail featuring a BB bus.
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