US/U x.3 Universal interface ABB KNX

Description

Device description
The devices are flush mounting devices (FM). They are designed for installation in flush mounting sockets with a diameter of 60 mm. The devices can be placed behind electrical equipment (e.g. pushbuttons).
The devices are KNX-certified and can be used as products in a KNX system
→ EU declaration of conformity.
The devices are powered via the bus (ABB i-bus® KNX) and require no additional auxiliary voltage.
The connection to the bus (ABB i-bus® KNX) is made via a KNX bus connection terminal on the side of the
housing.
The connections at the inputs or outputs are made via plug-in connecting cables
→ designation on the housing.
The software application Engineering Tool Software (ETS) is used for physical address assignment

Connections
The devices possess the following connections:
• Depending on the device type – 2 or 4 channels – each channel can be used as an input or an output
– Binary inputs for the acquisition of floating binary signals
– Outputs for connecting electrical loads (3.3 V DC, max. 5 mA, limited by pre-resistor)
• 1 KNX bus connection

Device functions
Each channel can be used as either an input or an output.
The inputs are used as an interface for operating KNX systems via conventional buttons/switches or for
coupling floating binary signals (signal contacts).
The outputs are used to control electrical loads (3.3 V DC, max. 5 mA, limited by pre-resistor) in a KNX environment.
When the contacts connected to the device inputs are operated, the devices send telegrams on the bus
(ABB i-bus® KNX) via the application-specific Group Objects.

Applications
4.3.1 Overview
Each device input or output can be assigned a specific application (→ parameter Channel X application).
Settings for this are made in the corresponding parameter window

Switch application (1-button operation)
Settings for this are made in the following parameter window:
• Parameter window Channel X: \ Parameter window Switch
The Switch (1-button) application can be used to send a switch telegram on the bus (ABB i-bus® KNX)
with one of the contacts connected to the input

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