Schneider Electric SR2MAN01 user manual Clocks, Description, Use as a Contact, Normally open mode

Models: SR2MAN01

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Clocks

LD Language Elements

Clocks

Description

Use the Clocks function to validate the time ranges during which actions can be executed.

 

The smart relay has 8 Clocks function blocks numbered from 1 to 8. Each of these

 

has four programming ranges and behaves like a weekly programmer. The Clocks

 

function blocks are used like contacts.

Use as a Contact

 

This contact may use the direct state of the Clock function block (normally open

 

mode) or its inverse state (mode normally closed), see below.

 

Normally open mode:

 

Symbol of the normally open contact, representing a clock:

The contact is conducting when the clock is in a validity period.The contact is conducting when the clock is not in a validity period.Manual backgroundManual backgroundManual backgroundManual background -

H-

The contact is conducting when the clock is in a validity period.

Normally closed mode:

Symbol of the normally closed contact, representing a clock:

Manual backgroundManual backgroundManual backgroundManual backgroundManual background-

h-

The contact is conducting when the clock is not in a validity period.

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SR2MAN01 11/2007

Page 121
Image 121
Schneider Electric SR2MAN01 user manual Clocks, Description, Use as a Contact, Normally open mode, Normally closed mode