MCT88M-IO Operating Manual.doc
2019-03-06
6/20
NO type
NO input can be in normal or in triggered state. In normal state C
A
contacts are opened. Input triggering is caused by C
A
contacts
closing.
Fig. 5 NO input type
NC type
NC input can be in normal or in triggered state. In normal state C
A
contacts are closed. Input triggering is caused by C
A
contacts
opening.
Fig. 6 NC input type
EOL/NO type
EOL/NO input can be in normal, triggered or tamper (sabotage)
state. In normal state C
A
contacts are opened. Input triggering is
caused by C
A
contacts closing. The change of R
Tamp
resistor
measured resistance in normal state indicates the tamper
(sabotage) state.
Fig. 7 EOL/NO input type
EOL/NC type
EOL/NC input can be in normal, triggered or tamper (sabotage)
state. In normal state C
A
contacts are closed. Input triggering is
caused by C
A
contacts opening. The change of R
Tamp
resistor
measured resistance in normal state indicates the tamper
(sabotage) state.
Fig. 8 EOL/NC input type