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1. For each sensor configure the power supply by shifting the jumper in the corresponding J1 contact set.

    

   Sensor functions using the power supply in the device
   
   Sensor functions using the external power supply

   (polarity of external voltage is not important)
   
   
2. Switch the computer power supply off. Remove the system cover.
3. Install the SL USBIO card into a vacant motherboard slot and fix it in the casing.

4. Connect the loop (bundled with the distribution kit) to the J2 J5 connector and to a vacant USB connector on the motherboard of computer.

   Info
   title Note
   There is a special adapter in the delivery package if the SL USBIO 4x4 card is in use and the motherboard has an outsized USB connector or there is no connector for a loop contact. If you do not have the adapter, it is required to acquire one or route the loop leads by yourself taking into account the connector layout on the motherboard and USB connector layout on the SL USBIO 4x4 card (see the figure below):

5. To activate the hardware pending check, connect wires to the J2 J3 connector (see Connecting the hardware performance testing section).

   Info
   title Note
   There is no J2 J3 connector on the SL USBIO 4x4 card.

   Use J4 port if the connection is to be performed via the external USB port (USB cable of A-A type) or the USB device is to be connected.

   Info
   title Note
   There is no J4 port on the SL USBIO 4x4 card.

6. To connect sensors and relays, unsolder the connector and fix it in the casing bundled with the distribution kit. Unsoldering is made in accordance with the external connector layout (see Appendix 6. Electrical and technical specifications of Sensor-Relay cards).
7. Connect the ready-for-use connector to external connector of the SL USBIO card.

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