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title: "KNX IO 411 (4II) 4 channels"
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KNX IO 411 (4II) 4 channels

The KNX IO 411 (4Ii) is a compact 4-channel binary input for controlling lights, blinds, etc. with conventional switches or contacts. The inputs are designed for dry contacts. It can also be used as a pulse counter. It can be used to connect energy meters with S0 output or anemometers.

Two buttons and three LEDs allow local operation and display of the device status. In addition to the input channels, the device includes 16 independent functions for logic or timed control.

## Technical specifications

- Housing: plastic
- DIN rail mounted device, width: 1 module (18 mm)
- Weight: approx. 50 g
- two buttons for device settings
- three multi-color LEDs
- KNX programming LED and KNX programming button
- Device model System B
- Compatible with ETS 4.2 (or higher)
- Connector for KNX bus (red/black)
- Pluggable screw connector (3 poles) for binary input channel 1 and 2
- Pluggable screw connector (3 poles) for binary input channel 3 and 4
- Input channels (Binary in)
- Contact voltage: SELV
- Wire length 20 m
- Compact 4-channel binary input for controlling lights, blinds, etc.
- Switching, dimming, blinds, scenes, pulse counter
- Integrated logic and timer functions
- Galvanically isolated
- Connections: KNX, pluggable screw terminals for IO
- For DIN rail, width 1 unit (18 mm)

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Source: https://shop.marcomweb.it/en/konnex/knx-io-411-4ii-4-channels

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.