Schneider Electric SR2MAN01 Modifying the Mode of a Coil or a Contact, Initialization, Example

LD Language Elements

Modifying the Mode of a Coil or a Contact

To modify the operating mode of a coil or a contact from the front panel of the smart relay (the programming window displayed on screen), simply:

zPosition the cursor on the symbol representing the coil mode or on the letter of the contact,

zProceed as indicated in the paragraph Modifying an element,, p. 44, to scroll through the possible modes for a coil or contact types (K for normally open contact, k for a normally closed contact).

Initialization	Status of the contacts and current value on initialization of the program:
	z The normally open mode (direct state) is inactive,
	z the normally closed mode (inverse state) is active,
	z The current value is zero.
Example
	Below, an example of using a fast counter: output Q1 is set to 1 when the fast
	counter is set to 1; the counter is activated by input I3 and reset to 0 by input I4.
		K1	-------------[Q1
		I3	-------------TK1
		I4	-------------RK1

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