Tecfluid MT03F Bedienungsanleitung PDF herunterladen (Seite 11)

3.2.6 Relay output wiring

Terminal Description Relay

13 Normally open Relay 1

14 Normally closed Relay 1

15 Common Relay 1

16 Normally open Relay 2

17 Normally closed Relay 2

18 Common Relay 2

The relay outputs provide relays with potential free contacts (see characteristics on page

37).

The status of the relay contacts corresponds to the relay at rest.

The relay contacts are not protected in any way, and therefore they must be installed

externally as required in the application, taking into account the limitations of the

characteristics of such contacts.

In the case of having inductive loads, and to extend the working life of the relay contacts,

it is recommended to use overvoltage protection (VDR for AC and diodes for DC loads).

In all cases a fuse or some kind of protection against short circuits should always be

provided according to the needs of the intended load.

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Tecfluid MT03F Bedienungsanleitung Seite 11