ABB IM300-I, Operational Manual

Page: 22 / 109

IM300 Intelligent Power Monitoring Instrument
20
Fig 3-2-24 Communication
parameters
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 button operating parameters displayed on the screen in either a
single bond display.
After long press button until the top left of the screen displays the word 'DWN';
in button operating parameters display mode, press button until the top left of the
screen display after the words 'UP', then press the button to scroll up press button
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 Expression
0 1 start bit,8 data bits,no parity check,2 end bits
1 1 start bit, 8 data bits, odd check, 1 end bit.
2 1start bit, 8 data bits, even check, 1 end bit.
3 1 start bit,8 data bits,no parity check,1 end bit
Note: The default value of address number is 254 baud rate is 9.6k, transport
format code is 0.
Fig3.2.22 Voltage imbalance and
current imbalance