ISOSCAN® EDS440 and EDS441
4.4 DIN rail mounting
1. Fix one mounting clip as illustrated below.
2. Snap the EDS securely on the DIN rail.
3. Push the mounting clip until it clicks into place.
4.5 Connection of 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 a maximum of two EDS44… or one EDS44…- S and one IOM44-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 “Quickstart BB-Bus” enclosed to the BB bus PCBs.
Voltage supply via BB bus
Sensor variants that are additionally connected to the ISOMETER®, e.g. EDS44…-S, do not require an
additional voltage supply when the devices are connected to the BB bus via X3.
Number of devices to be connected
A maximum of two EDS44…-S or one EDS44…-S with one IOM441-S can be connected to an ISOMETER®.
Mounting
When the BB bus is mounted, the EDS44… must always be mounted on the right side of the ISOMETER®.
Error codes
In the case of the EDS44…-L variant, error codes of the BB bus are indicated by means of a combination of
the SERVICE LED and various flashing channel LEDs. See “Device error, BB bus error”, page 36.
EDS44x_D00201_10_M_XXEN/11.2023 21
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