Description of Function Codes
MD380 User Manual
- 168 -
Figure 6-10 Setting of three-line mode 2
MD380
DI1
COM Digital common
DI2
RUN command
Running direction
DI3
Stop running
SB1
SB2
K
Running
direction
K
0
1
Forward
Reverse
RUN
button
Stop
button
As shown in the preceding gure, if SB1 is ON, the AC drive starts running when SB2 is
pressed to be ON; the AC drive instructs forward rotation when K is OFF and instructs
reverse rotation when K is ON. The AC drive stops immediately after SB1 becomes
OFF. During normal startup and running, SB1 must remain ON. The AC drive's running
state is determined by the nal actions of SB1, SB2 and K.
Function Code Parameter Name Setting Range Default
F4-12 Terminal UP/DOWN rate 0.01–65.535 Hz/s 1.00 Hz/s
It is used to adjust the rate of change of frequency when the frequency is adjusted by means
of terminal UP/DOWN.
• If F0-22 (Frequency reference resolution) is 2, the setting range is 0.001–65.535 Hz/s.
• If F0-22 (Frequency reference resolution) is 1, the setting range is 0.01–655.35 Hz/s.
Function Code Parameter Name Setting Range Default
F4-13 AI curve 1 minimum input 0.00 V to F4-15 0.00 V
F4-14
Corresponding setting of AI
curve 1 minimum input
-100.00%–100.0% 0.0%
F4-15 AI curve 1 maximum input F4-13 to 10.00 V 10.00 V
F4-16
Corresponding setting of AI
curve 1 maximum input
-100.00%–100.0% 100.0%
F4-17 AI1 lter time 0.00–10.00s 0.10s
These parameters are used to dene the relationship between the analog input voltage and
the corresponding setting. When the analog input voltage exceeds the maximum value (F4-
15), the maximum value is used. When the analog input voltage is less than the minimum
value (F4-13), the value set in F4-34 (Setting for AI less than minimum input) is used.
When the analog input is current input, 1 mA current corresponds to 0.5 V voltage.
F4-17 (AI1 lter time) is used to set the software lter time of AI1. If the analog input is liable
to interference, increase the value of this parameter to stabilize the detected analog input.
However, increase of the AI lter time will slow the response of analog detection. Set this
parameter properly based on actual conditions.