Delta Electronics AC Motor Drive VFD-EL - Manual (Page 106)

Chapter 4 Parameters|
Revision August 2008, 2ELE, V1.02 4-63
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