ABB IM300-I Operational Manual page 22

Screen 69: Display voltage imbalance and current
imbalance
"UNB" displayed at the left top corner of the screen denotes
unbalanced degree. See in fig 3.2.22:
Unbalanced degree of current：10.8％；
Unbalanced degree of voltage：9.6％；
3.2.3. Display operating parameters
Press
single bond display.
After long press
in button operating parameters display mode, press
screen display after the words 'UP', then press the button to scroll up
to scroll down.
Screen 1：Communication parameters
The upper left corner of the screen displays "PAR"
parameter indicates the word (parameter), the top of the screen
displays the word "COMM" indicates the communication. As
shown in fig. 3-2-24: Address Number 16, the baud rate is 9.6k,
transport format code 1.
Transmission Format Code explanation:
Code number
0
1
2
3
Note: The default value of address number is 254 baud rate is 9.6k, transport
format code is 0.
button operating parameters displayed on the screen in either a
button until the top left of the screen displays the word 'DWN';
1 start bit,8 data bits,no parity check,2 end bits
1 start bit, 8 data bits, odd check, 1 end bit.
1start bit, 8 data bits, even check, 1 end bit.
1 start bit,8 data bits,no parity check,1 end bit
IM300 Intelligent Power Monitoring Instrument
button until the top left of the
Expression
20
Fig3.2.22 Voltage imbalance and
current imbalance
press button
Fig 3-2-24 Communication
parameters