Electrical Connections; Version With Analogue And Switching Outputs; Version With Io-Link Interface - Buhler BCI 24-Dx Guía Rápida

BCI 24-Dx
NOTICE
The top and bottom of the BCI 24 match. Therefore do not use
a different top. The system could otherwise be damage.
However, loosening a locking screw allows turning the top so
the cable outlet of the M12 plug connector can be reposi-
tioned as needed. Then secure the screw hand-tight!

4.2 Electrical connections

The BCI contamination indicator is powered with +18-30 V dir-
ect voltage. The sensor connects with a cable and standard
M12 plug-in connectors.
5 Operation and Control
NOTICE
The device must not be operated beyond its specifications.

5.1 Version with analogue and switching outputs

With this version the switching outputs are the primary sig-
nals.
To ensure the switching outputs respond, the respective
threshold must be overrun for at least 4 seconds. This will
avoid the system responding too soon if the brief pressure
peaks occur.
Switching output 1 is configured as NO contact with increas-
ing pressure drop. This switching output closes at 75 % of the
set pressure drop measuring range.
Switching output 2 is configured as NC contact with increas-
ing pressure drop. It opens at 100 % of the set pressure drop
measuring range.
All switching outputs are reset automatically.
The analog output supplies a 4-20 mA current signal propor-
tional to the set pressure drop measuring range.
Attention! For technical/physical reasons the lower 10 % of the
measuring range are hidden. Within this range the output
current remains at 4 mA until the release threshold is
reached.

5.2 Version with IO-Link interface

This unit is equipped with an IO-Link interface, which require
an IO-Link master.
The IO-Link interface allows direct access to process and dia-
gnostics data, and allows configuring the unit during opera-
tion.
The IODDs required to configure the unit is available at ht-
tps://ioddfinder.io-link.comwill appear.
If the IO-Link interface is not being used (no master or only
used to parametrise), the BCI 24 functions as a regular pres-
sure drop switch with 2 switching outputs. The standard para-
meters and switching function of the switching outputs cor-
respond with the version with current output. However, they
can be parametrised via IO-Link master.
For more information please visit: www.io-link.com
BX130008 ◦ 04/2019
6 Maintenance
Always observe the applicable safety- and operating regula-
tions when performing any type of maintenance. Please refer
to the original operator's manual on the included CD or online
at www.buehler-technologies.com for maintenance informa-
tion.
7 Service and Repair
Please refer to the original operator's manual on the included
CD or online at www.buehler-technologies.com for a detailed
description of the unit including information on
troubleshooting and repair.
Bühler Technologies GmbH 5