Onicon System-10 MODBUS Manuel d'utilisateur télécharger pdf (Page 10)

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System-10-MOD Network Interface Installation Guide 05/14 - 0653-10 / 18321 Page 10

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

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 34 35

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Onicon System-10 MODBUS Manuel d'utilisateur Page 10