Siemens QAA74 - Switch-On Operator Unit AVS74

3
Mount and connect
Switch
-
on operator unit AVS74
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Siemens Graphical User Interface UI400 CE1U2348en
Building Technologies 2014-06-03
3.5 Switch-on operator unit AVS74
l The AVS74 is mounted.
l The AVS74 is connected to the controller with cable AVS82.49x.
The plug
-
in connection for AVS82.49x on the rear of the AVS74 is illustrated in
Section "Design AVS74 operator units [➙ 10]".
The AVS74 starts up automatically as soon as the controller is supplied with power
and begins to communicate with the controller.
Prerequisites