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Chain connection of analog sensors

This procedure applies to the following sensors, which are supported by the appliance and are connected to the analog ports:

Analog sensorsDaisy chain
VT500 / Temperature sensor□
VT501 / Outdoor temperature sensor (VT501)□
VT510 / Humidity sensor□
VT520 / AC Voltage detector□
VT520DIN / AC Voltmeter□
VT530 / Access sensor■
VT531 / Optical access sensor□
VT540 / Vibration sensor■
VT560 / Smoke sensor■
VT570 / PIR sensor□
VT590 / Leak sensor□
VT591 / Cable leak sensor□

VT530, VT540 and VT560 are the only analog sensors that allow non addressable chain connection. All the sensors in one chain are seen by the system as one sensor.  One chain can have up to 10 sensors. Example of such connection:




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