Velleman-projects K8050 Assembly instructions Manuale Utente Scaricare il pdf (Pagina 14)

14

Usually the open-collector outputs are used for controlling relays

(like our card K6714, Fig 5.0).

Figure 4.0 shows how to connect eventual relays. Its advisable to

use a separate power supply for the relays, rather than to branch off

from the power supply of the receiver.

Usage and connection

17. Usage and connection

- +

K8050

8

+

VCOM

13

15

14

12

11

9

10

5

6

7

3

4

+V

2

1

VB

GND

VA

MAINS

6 ... 12v/150mA

6 ... 12v/150mA

MAINS

6 ... 12v/150mA

FIG 4.0

K8050

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 20

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