Description
ABB US / U2.2 universal interface
The universal interface has 4 channels, which can be parameterized as input or output, e.g. for connecting conventional buttons, auxiliary contacts, light-emitting diodes and electronic relays ER/U 1.1. Requires ETS2 V1.2a (or higher). The contact abbreviation voltage and the supply voltage for the LEDs are provided by the device, the series resistors for the LEDs are integrated.