ICP DAS USA I-8437 Advanced Settings

Setting com3 as modbus rtu slave port

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Classification

ISaGRAF English FAQ-040

Author

Chun Tsai

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.

Version

1.0.0

ICP DAS Co., Ltd. Technical Document

Date

Aug. 2007

Page

1 / 2

Page 1 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"...
Page 2 (9) 600. Press “OK” to save the selected setting. And then press some “Cancel” to exit the hardware setting. I-8437/I-8837/I-8437-80/I-8837-80’s COM3 can be set to use "bus7000" or "Fbus" when the baud rate set to "(-) Disable COM" Click the link for more ISaGRAF FAQ: http://www.icpdas.com/en/faq/index.php?kind=280#751...

I-8837 I-8437-80 I-8837-80