The KNX IO 411 (4Ii) is a compact binary input device with 4 channels for controlling lights, blinds, etc., using conventional switches or contacts. The inputs are designed for potential-free contacts. It can also be used as a pulse counter. Additionally, it can be connected to energy meters with S0 output or anemometers.

Two push buttons and three LEDs allow for local operation and visualization of the device status. In addition to the input channels, the device features 16 independent functions for logic or timer control.

Technical Data

Mechanical Data

Housing: Plastic
Device for DIN rail mounting, width: 1 module (18 mm)
Weight: approx. 50 g

User Interface

Two buttons for settings on the device
Three multicolored LEDs
KNX programming LED and KNX programming button

KNX

Device model System B
Compatible with ETS 4.2 (or higher)

Connectors

Connector for KNX bus (red/black)
Plug-in terminal block (3-pole) for binary input channel 1 and 2
Plug-in terminal block (3-pole) for binary input channel 3 and 4

Input Channels (Binary in)

Contact voltage: SELV
Cable length 20 m.