Classification
ISaGRAF English FAQ-040
Author
Chun Tsai
Version 1.0.0
Date
Aug. 2007 Page
1 / 2
ICP DAS Co., Ltd. Technical Document
Setting I-8437/I-8837/I-8437-80/I-8837-80 's COM3 as Modbus RTU
Slave port
ANS:
I-8437/I-8837/I-8437-80/I-8837-80 's COM3 supports Modbus RTU slave protocol by user define since
the I-8xx7 driver version of 3.14.
Please visit the ISaGRAF Download Center to get the latest version of PAC driver.
https://www.icpdas.com/en/download/index.php?nation=US&kind1=&model=&kw=isagraf
double-click on the "New Driver For I-8xx7, 7188EG/XG & W-8xx7"
To set I-8437/I-8837/I-8437-80/I-8837-80’s COM3 as Modbus RTU slave port, first power off the PAC.
Then press in and hold in the first two buttons on the front panel of the PAC and then power back up the
PAC system as shown below.
"
SEL 1
" is to set second Modbus RTU slave port baud rate. I-8417/I-8817’s COM2 and I-8437/I-8837/
I-8437-80/I-8837-80’s COM3 is second Modbus RTU slave port. Press the "OK" button (third button on
the panel), and the "BAU x" setting will appear.
