Onicon System-10 LonWorks Manual do Utilizador descarregar pdf (Página 8)

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System-10-LON Network Interface Installation Guide 05/14 - 0654-5 / 16751 Page 8

Powered Pulse:

This type of output refers to a pulse which has an associated voltage with it (see Fig. 2).

Set the selector switch, S1 to Pwrd Pulse. The allowable voltage range is 5-24 VDC. The

input impedance is set at the factory to be 11 KOHM via the impedance selector jumper

(J1, see Fig. 1). A lower impedance, 3 KOHM can be selected if required by the instrument

providing the pulse output. Consult the instrument manufacturer or ONICON if you are

uncertain as to the proper jumper selection.

Fig. 2

Open Collector (Sourcing):

This type of output refers to an open Collector Switch congured for a sourcing function

(see Fig. 3). Set the selector switch, S1 to SRC. The switch must be rated for at least 20mA

at 20VDC.

Fig. 3

Di3 In (+)

Di3 In (-)

Di3 In (+)

Di3 In (-)

ONICON BTU Meter

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 20 21

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