AE & AEK Series Communication Protocol

4. Measurements and Calculation Example
To simplify the explanations of I
2
C, user may enter values of address commands index
[adds] and the bit value of address commands index [adds.bit] as follow:
Ex: [0x6C] indicates the value on the address “0x6C”
[0x7C.7] indicates the value of bit 7 on the address“0x7C”
4-1 Output voltage read back
To read the values of the addresses of [0x61] and [0x60];[0x61] as High byte and [0x60]
as Low byte. The O/P voltage is converted from above values into decimal and
divides it by 100.
Ex: the Hex Value of [0x61]=0x09, [0x60]=0x74 is 0x974 and convert 0x974 into decimal is
2420. Divide 2420 by 100 equals 24.20, therefore V=24.20V
PS: To ensure the reading data is accurate, please read 0x60 first followed by 0x61
4-2 Output current readback
To read the values of [0x63] and [0x62], [0x63] as High byte and [0x62] as Low byte. The
O/P current is converted from above values into decimal and divides by 100.
Ex: the Hex Value of [0x63]=0x11, [0x62]=0xC6 is 0x11C6 and convert 0x11C6
into decimal is 4550, to divide 4550 by 100 equals 45.50, so I=45.50A
PS: To ensure the reading data is accurate, please read 0x62 first followed by 0x63
4-3 Internal temperature readback
To read the values of address [0x68], please convert the value into decimal to receive the
internal temperature (centigrade)
Ex: the hex value of [0x68] is 0x37 and convert 0x37 into decimal is 55.
Therefore, internal temperature is 55°C.
4-4 Status: 0 readback
To read the value of [0x6C] and convert the value into Binary code
bit 7 AC Input Fail
0 = Normal AC input
1 = AC input < 85 Vac, Power is off.
bit 6 AC Power down
For AEK-3000 series
0 = AC input >= 180 Vac, Normal output.
1 = AC input < 180 Vac, Power De-Rating.
For AE-1500 series
0 = AC input >= 100 Vac, Normal output.
1 = AC input < 100 Vac, Power De-Rating.
Note: AE-800 Series does not have this function, so this bit will always show low
bit 5 High temperature alarm
0 = Internal temperature normal.