Delta Electronics VFD-EL series, User Manual

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Revision 2016/03, 6ELE, V1.14
4-55
This parameter is to delay the signals on digital input terminals. 1 unit is 2 msec, 2 units are 4 msec, etc. The
delay time is to debounce noisy signals that could cause the digital terminals to malfunction.
04.26 Display the Status of Multi-function Input Terminal
Settings Read Only Factory setting: ##
Display Bit0: MI1 Status
Bit1: MI2 Status
Bit2: MI3 Status
Bit3: MI4 Status
Bit4: MI5 Status
Bit5: MI6 Status
The multi-function input terminals are falling-edge triggered. For standard AC motor drive, there are MI1 to MI6
and Pr.04.26 will display 63 (111111) for no action.
1 2 3 4 5 0
0=Active
1=off
MI1
MI2
MI3
MI4
MI5
MI6
Weights
Bit
For Example:
If Pr.04.26 displays 52, it means MI1, MI2 and MI4 are active.
The display value 52= 32+16+4 =1 X 2
5
+ 1X 2
4
+ 1X 2
2
= bit 6 X 2
5
+ bit 5 X 2
4
+ bit 3 X 2
2
0 1 0 1 1 0
0=Active
1=Off
MI1
MI2
MI3
MI4
MI5
MI6
Weights
Bit
This parameter is used to select the terminals to be internal terminal or external terminal. You can activate
internal terminals by Pr.04.28. A terminal cannot be both internal terminal and external terminal at the same
time.
For standard AC motor drive, the multi-function input terminals are MI1 to MI6 as shown in the following.
1 2 3 4 5 0
0=external terminal
1=internal terminal
MI1
MI2
MI3
MI4
MI5
MI6
Weights
Bit
The Setting method is convert binary number to decimal number for input.
For example: if setting MI3, MI5, MI6 to be internal terminals and MI1, MI2, MI4 to be external terminals. The
setting value should be bit5X2
5
+bit4X2
4
+bit2X2
2
= 1X2
5
+1X2
4
+1X2
2
= 32+16+4=52 as shown in the following.
04.27
Internal/External Multi-function Input Terminals Selection
Unit: 1
Settings
0 to 4095
Factory Setting: 0