U-Match Series Service Manual
34
Figure 2-7-10
Note:
①
In order to realize the MODBUS interface function, the address mode of the unit must be set into
long-distance control address mode; you can not set it into centralized control address mode,
otherwise, this function can not be realized;
②
The unit can not be connected to MODBUS and centralized controller at the same time; only one
of them can be selected;
③
255 sets of unit in maximum can be connected in the same network; the unit addresses in the
same network must be different, otherwise, the unit control will be affected;
④
Perform wiring when the unit power is cut off.
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