Delta Electronics VFD-EL series

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.
12345
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
01011
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.
12345
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