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IDEC SmartRelay functions

IDEC SmartRelay Manual 115

4.2.1 AND

Circuit diagram of a series circuit with

several normally open contacts:

Symbol in IDEC SmartRelay:

The output of the AND is only 1 if all inputs are 1, i.e. all

contacts are closed.

At an unused block input (x): x = 1.

AND function logic table

XOR 

(exclusive OR)

(see page 120)

NOT 

(negation, inverter)

(see page 120)

1234Q

00000

00010

00100

00110

01000

01010

01100

01110

10000

10010

10100

10110

11000

11010

11100

11111

View in the circuit

diagram

View in IDEC

SmartRelay

Name of the basic function

Double changeover

contact

Normally Closed

Contact