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System-10-P1 Manual 10/14 - 0656-9 / 18320 Page 28

Open Collector Sinking or Dry Contact:

This type of output refers to an open collector switch congured in a current

sinking arrangement or a dry contact switch (see Fig. 4 and 5). Set the selector

switch, S1 to Sink. In either case, the switch must be rated for at least 20mA at

20 VDC.

Fig. 4

Fig. 5

Di3 In (+)

Di3 In (-)

Di3 In (+)

Di3 In (-)

ONICON

BTU Meter

ONICON

BTU Meter

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Onicon System-10 P1 Manuale Utente Pagina 28