Analog sensors connection (legacy)
- VT14 PNP & VT14 NPN Sensor Converters
- VT420 Converter 4-20mA
- VT500 / Temperature sensor (v1) (legacy)
- VT510 / Humidity sensor (v2) (legacy)
- VT531 / IR access sensor (legacy)
- VT540 / Vibration sensor v1 (legacy)
- VT570 PIR sensor v2 (legacy)
- VT590 / Spot Water Detector (legacy)
- VT591 / Water leak rope sensor (Legacy with WDC)