Velleman-projects K8090 Assembly instructions Bedienungsanleitung PDF herunterladen (Seite 7)

Construction



SK1 : 2p power supply



SK2 ... SK9 : 2p (channels 1 ... 8)

10. Terminal blocks

 C8, C9 : 4,7µF

11. Electrolytic capacitors.

Watch the polarity !

C...

 X1 : 12MHz

12. Quartz crystal

X...

 VR1 : UA7805

 Check the

orientation !

13. Voltage regulator

VR...

 C10 : 1000µF

14. Electrolytic capacitor.

Watch the polarity !

C...

15. Relays

IC1 : VK8090

programmed

PIC18F14K50-I/P or eq.

16. IC. Watch the position of the

notch!

17. Rubber feet

Mount the rubber feet on

the solder side of the

PCB if you do

not mount the

kit into an DIN

rail enclosure

18. Open collector input (optional)

Connection diagram for use with an

open-collector system.

1 2 3 5 4 6 7 8

 RY1  RY5

 RY2  RY6

 RY3  RY7

 RY4  RY8

 Important : Put an extra layer of

solder on all pre-thinned PCB tracks,

to improve their current handling

capabilities.

1 2 3 4 5 6 7 8 9 10 11 12

8 CHANNEL USB RELAY CARD 1
 Check the 7
Schematic diagram 10
5 410329 412050 12

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