Code Alarm CR3 Manuel de service télécharger pdf (Page 16)

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4.1 Basic information on relay functions

In this chapter, you will find general basic information concerning the

following relay functions:

 Monitoring (see section 4.1.1)

 Limit indicator (see section 4.1.2)

 Proportional output (see section 4.1.3)

4.1.1 Monitoring

When using a relay for monitoring, a relay action (Open, Close) occurs

when certain states occur. This function is suitable, e.g. for the

monitoring of errors in the system.

Note

For monitoring functions, use the relay preferably as an opener (see

section 4.5.1). In the case of an error, the relay opens. As a result, the

monitoring function operates even if, e.g. the supply voltage fails.

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Code Alarm CR3 Manuel de service Page 16