Inputs

Processing binary and analogue signals


ABB i-bus® KNX inputs serve as an interface for the operation of KNX systems via conventional push buttons and switches as well as for processing binary and analogue signals. In addition, weather data can be transmitted to the KNX bus for further evaluation via an appropriate weather sensor.

Main benefits
  • Reduces stock requirement due to streamlined product range
  • Maximizes design freedom for KNX system integrators due to a wide range of inputs and installation types (MDRC, FM, SM)
  • Eases the work of the intergrator thanks to the front-end keypad

Main features

  • Wide-range binary inputs to detect signals from 10 to 230 V AC/DC
  • Weather sensor detecting twilight, brightness, rain temperature, day/night and wind speed
  • Analogue inputs with comprehensive range of adjustments for many typical sensors
AE/A2.1 Analogue Input, 2-fold, SM

AE/A2.1
The Analogue Input is used to detect and process 2 independent input signals. Among other things 0-1 V, 0-5 V, 0-10 V, 0-20 mA, 4-20 mA, 0-1000 Ohm, PT100 in 2-wire technology, PT1000 in 2-wire technology (value range -50…+150 °C), floating contacts, KT, KTY and user-defined input.
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AE/S4.1.1.3

AE/S4.1.1.3
The analogue input is used to detect and process 4 independent input signals. E.g. 0-1 V, 0-5 V, 0-10 V, 0-20 mA, 4-20 mA, 0-1000 Ohm, PT100, PT1000 and floating contacts. Integrated power supply to generate the 24 V DC voltage for external sensors. The device can be operated with a suppy voltage of 115 to 230 V, 50/60 Hz. Maximum 300 mA supplied on the complete voltage range. Application software adjusted for detection and processing of analogue variables
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BE/S4.20.2.1

BE/S4.20.2.1
The device interrogates 4 floating contacts using an internally generated scanning voltage. State inputs via 4 LEDs. Max. 4 signals (in 2 groups) are detectable. Each channel one push button for manual operation. Supplied by ABB i-bus®.
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BE/S4.230.2.1

BE/S4.230.2.1
The device detects four 10...230V AC/DC signals. State inputs via 4 LEDs. Max. 4 signals (in 2 groups) are detectable. Each channel one push button for manual operation. Supplied by ABB i-bus®.
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BE/S8.20.2.1

BE/S8.20.2.1
The device interrogates 8 floating contacts using an internally generated scanning voltage. State inputs via 8 LEDs. Max. 8 signals are detectable. Each channel one push button for manual operation. Supplied by ABB i-bus®.
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BE/S8.230.2.1

BE/S8.230.2.1
The device detects eight 10...230V AC/DC signals. State inputs via 8 LEDs. Max. 8 signals are detectable. Each channel one push button for manual operation. Supplied by ABB i-bus®.
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US/U12.2

US/U12.2
The Universal Interface has 12 channels which can be parameterised as inputs or outputs, e.g. for connection of conventional push-buttons or LEDs. The LEDs are supplied by the device (1.5 mA), the series resistances are integrated.
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US/U2.2

US/U2.2
The Universal Interface has 2 channels which can be parameterised as inputs or outputs, e.g. for connection of conventional push-buttons, auxiliary contacts, LEDs and electronic relays ER/U 1.1. Requires ETS2 V1.2a.
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US/U4.2

US/U4.2
The Universal Interface has 4 channels which can be parameterised as inputs or outputs, e.g. for connection of conventional push-buttons, auxiliary contacts, LEDs and electronic relays ER/U 1.1. Requires ETS2 V1.2a.
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WES/A3.1

WES/A3.1
The device detect wind speed, rain, brightness in 3 directions, twilight, temperature, day/night an over the GPS signal date and time. An additional heating transformer is not needed.
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