Structure & Handling - MDT AKS-0410.01 Manual

Technical Manual Switch Actuators AKI/AKS/AKK
2.3 Structure & Handling
The switch actuators (here: AKI 1216.01) contain of one status LED per channel. This LED indicates
the state of the depending output. Furthermore every output can be switched manual, independent
of the current parameterization. The lines AKS and AKI have buttons for every channel. In contrast
the line of the AKK has only four buttons, independent to the number of channels. Two buttons are
for choosing the channel, whereby the chosen channel is indicated by a flashing status LED. The
buttons up and down are for switching the channel on and off. The programming button activates
the programming function. An activated programing function is indicated by a lit programming LED.
Illustration 4: Overview hardware module switch actuator (e.g. AKK‐1610.01)
The lines AKS and AKI have bistable relays. The line AKK has monostable relays.
At the bistable relays the current switching state also stays in case of a breakdown of the 230V
auxiliary voltage and at an update of the parameterization.
The monostable relays fall back to their output state when the power breaks down or the
parameterization is updated.
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