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What is function of control key 1 to 3 of LTMCU when operating mode is independent in LTMR.

Control key performs below defined function in independent operating mode.
 
Operating mode Assignment Key 1 Key 2 Key 3
Independent 2-wire (maintained) Control motor (O.1) Control O.2 Stopmotor(open O.1) and open O.2 while pressed
3-wire (impulse) Start motor (close O.1) Close O.2 Stop motor(open O.1) and open O.2
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