7.1.2 Terminal assignment of the 230 V AC digital inputs
The two digital inputs are designed for installation monitoring, for special inputs and as measuring points (meter
inputs) and are located at the bottom on the device.
Terminal No. Function
B2, B1 (IN2) Digital input 2, 230 V AC (floating)
A2, A1 (IN1) Digital input 1, 230 V AC (floating)
Fordetailsabouttheconfiguration,seechapterDigital inputs.
DANGER
Warning about dangerous electrical voltage! Danger of electric shock! BEFORE connecting and
disconnecting it must be checkedthat no voltage is presentatthe230VACdigitalinputs!