Zennio Z41 Manual descargar pdf (Pagina 5)

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1.2. INSTALLATION

Figure 1.2 shows the backside of the Z41 identifying its connectors:

Figure 1.2. Z41 Elements scheme

The Z41 connects to the KNX bus via a standard KNX terminal (1). It is also necessary to connect

an external 12V, 24V or 29V DC power supply, which supplies at least 150 mA. The KNX bus and

the external power supply are electrically isolated in order to prevent possible interference.

The external power supply is connected to the Z41 via a screw terminal block (4). Each cable must

be correctly connected. The positive of the external power supply connects to the positive (+) of the

terminal block and the negative/ground of the power supply connects to the negative (-) of the

terminal block.

To the Z41 one may connect the supplied USB cable (at the point 5) or the supplied Ethernet

adapter (at the point 6), in order to perform an update of the firmware. Please refer to document

“Z41 - USB and Ethernet updates”, available at http://www.zennio.com to obtain more detailed

information on how to update the Z41 via USB or Ethernet.

Z41 includes a conventional LR44 button battery, inserted at the point 7, which will maintain the

time and date in the case of a power supply failure.

1.- KNX Connection

2.- Programming button

3.- Programming LED

4.- External power supply terminal block

5.- USB connection

6.- Ethernet connection

7.- Space for a button battery

8.- Temperature sensor

9.- Magnet

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Zennio Z41 Manual Pagina 5