Parameter Description              MD280/MD280N User Manual 
- 128 -
Setup 
value
Function  Description 
19 
Speed-up/speed-
down disabled 
When this terminal command is valid, it 
can maintain the current frequency output 
while stopping. 
20 PID pause 
When this terminal command is valid, the 
PID stops adjustment, and the inverter 
maintains the current frequency output. 
21  PLC status reset 
When this terminal command is valid, it 
clears the memorized PLC running phase 
and running time, and restores to the 
initial status of PLC running. 
22 
Swing frequency 
pause 
When this terminal command is valid, the 
inverter maintains the frequency output of 
the swing frequency center, and the swing 
frequency pauses.   
23 
Counter input 
(DI5) 
It is used as input terminal of the counting 
pulse. 
24 Counter reset 
When this terminal command is valid, it 
clears the counting value of the counter to 
zero.Refer to the description of F7-08 and 
F7-09 function codes for the counting 
function. 
25 
Length counting 
input (DI5) 
It is used as pulse input terminal of the 
length counting. 
26 
Length counting 
reset 
When this terminal is valid, it clears the 
length counting to zero. Refer to the 
description of F7-05, F7-06 and F7-07 
function codes for the length counting 
function. 
27 
Interchange of AI1 
and AI2 settings 
When this terminal command is valid, 
interchange AI1 and AI2 setting value. But 
it does not affect the maximum input 
corresponding setting mode of 
AI1 and AI2. 
28 
Frequency source 
switching 
switches to 
AI1 
When the terminal command is valid, the 
current frequency switches to AI1 
reference.It is valid only for setting F0-18
˄ frequency source overlapping 
selection˅to 0. 
 
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