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Type of device

Description

Functions

Operation conditions

Changes in operation condition

Examples of devices

Sensor

Interface line of external sensor and control system

Informs the control system

about changes in sensor status  

Closed– logical one

Open – logical zero

 


Opening/closing – when

sensor detects the alarm

Annunciators (smoke, heat,

window, etc), button 

Relay

Interface line of control system and executive device

Changes operation condition of executive

device on command from the control system

Closed – logical one

Open – logical zero    


Opening/closing – on command

from the control system.

Annunciators (light, sound, etc.),

mechanized gates

Analog sensorInterface line of external sensor and control system

Informs the control system about changes in sensor status

-In analog (continuous) mode.Temperature, humidity, pressure, etc. sensors

Electrical and technical specifications of some Sensor-Relay cards are given in Appendix 5. Electrical and technical specifications of Sensor-Relay cards section. For the most up-to-date information on the characteristics and connection of the Sensor-Relay cards, please see the manufacturer's documentation.
Some of the Sensor-Relay cards are integrated with Intellect via Drivers Pack. See Drivers Pack documentation for the full list of such cards.