MD280/MD280N User Manual Parameter Description
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3 PULSE setting (DI5)
4 MS speed
5 PLC
6 PID
7
AI1ˇAI2
8 Communication reference
9 PID + AI1
10 PID + AI2
Select the input channel for inverter reference frequency. There are 8
reference frequency channels, which include:
0: Digital setting (UP and Down adjustment)
The initial value is the setting value of “pre-set frequency” (F0-F3).
It can modify the setup frequency value of the inverter with UP and DOWN
keys on the keyboard or multifunctional input terminals UP and DOWN.
The Up and Down keys on the keyboard or terminals may be modified
under the current frequency in the stop or run status of the inverter. For
details regarding the function setting of terminals UP and DOWN, refer to
Group F2 “Terminal UP” and “Terminal DOWN”.
1˖AI1
2˖AI2
It means that the frequency is determined by the analog input terminal. AI1
is used for 0 to 10V voltage input. AI2 can be used for 0 to 10V voltage
input or 4 to 20mA current input, which can be selected by the J3 jumper on
the control panel. The potentiometer on the external keyboard and AI2
channel on the control panel cannot be enabled at the same time and shall
be selected by the J2 jumper on the control panel. Refer to the description
of Group F2 function codes (F2-08 to F2-19) for the settings of AI1 and AI2
input frequencies.
3: PULSE setting (DI5)
The frequency is given via the input pulse of the terminal. Pulse reference
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