Parameter Description              MD280/MD280N User Manual 
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AI1 is used as the 
function selection of 
DI6 
Factory 
default value
0 
F2-27 
Setup range  The same as F2-00 
AI2 is used as the 
function selection 
of DI7 
Factory 
default value
0 
F2-28 
Setup range  The same as F2-00 
AI is used as DI, but the ground of AI (GND) and DI (COM) are not to 
breakover. 
Group F3 Output Terminal 
MD280 series inverter provides one multifunctional terminal output 
selection (FMP, AO or DO3), one multifunctional relay output terminal 
(RELAY) and two multifunctional digital output terminal (DO1 and DO2).   
FM and AO terminals are two different types of signal output terminals in 
the same channel and cannot be used at the same time. FM terminal has 
two-type of functions and can select output PULSE signal (FMP) or digital 
signal (DO3). The output signal type can be selected via F3-00.   
Remark: FMP pulse signal and DO3 digital signal are all output via FM 
terminal.  
Multifunctional 
terminal output 
selection 
Factory 
default value
2 
0  FM (FMP pulse output) 
1  FM (DO3 digital output) 
F3-00 
Setup 
range 
2 
AO (Analog output) 
Caution: The “PULSE setup (DI5)” function of the frequency source (F0-01) 
and the “FMP pulse output” function of the FM terminal (F3-00) cannot be 
selected for use at the same time.
F3-01 
RELAY output 
selection 
Factory 
default value
2 (Fault output) 
F3-02 
DO1 output 
selection 
Factory 
default value
1( Inverter being 
running) 
F3-03 
DO2 output 
selection 
Factory 
default value
4( Frequency arrival) 
 
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