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One-to-more
One wired controller can control more than one IDU (up to 16 IDUs).
One-to-more control includes group control and separate control. Under
group control, the device sends commands to all IDUs in a unified
manner. Under separate control, the device sends commands to any IDU
in the system.
(1) Group one-to-more control
Enable the one-to-more function by entering the Engineering menu > IDU
Settings > Site Configs. Once this function is enabled, the system enters
the group one-to-more control by default. Under group control, the
device sends commands to all IDUs and all IDUs execute the same
commands. The main interface of the device under group one-to-more
control is the same as that under one-to-one control. The function in the
list should be subjected to the IDU.
(2) Separate one-to-more control
Under group one-to-more control, you can switch to separate control
through the separate one-to-more control in the list. Under separate
control, the main interface of the device switches to the main interface of
separate control.
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