Messages

1

Support Questions / Re: ModbusRTUCom not working! plz help

« on: August 05, 2015, 08:20:31 PM »

Actually the device has a USB cable attached  that I am using, and is showing me COM2 in my device manager so i using COM2 in ModbusRTU. How can i know its RS-232 or 485? Thanks

2

Support Questions / Re: ModbusRTUCom not working! plz help

« on: August 05, 2015, 06:42:39 PM »

Thanks Archie, I got the Baud rate i.e. 4800.

But i am getting this error when i try to read a register.

Throw New MfgControl.AdvancedHMI.Drivers.Common.PLCDriverException("No Reponse from PLC. Ensure driver settings are correct.")

Could you please tell me what can i try to fix it?

3

Support Questions / ModbusRTUCom not working! plz help

« on: August 04, 2015, 07:30:23 PM »

Hi,

I am trying to read the register of the Electromagnetic flow-meter "https://library.e.abb.com/public/91eead459bb0d349c12577fc0033d2b5/COI_FET2XX_MOD_TBL-EN.pdf ".
Could you please let me know what should be the settings for ModbusRTUcom to make it read its registers. what will be its baudrate or pollrateoverride etc? And what exactly i should be putting it in    Basiclabel   PLCaddressvalue


Regards

4

Support Questions / How to increase poll rate for Modbus TCP "Plz help" Thanks

« on: May 19, 2015, 06:42:10 PM »

Hi,

I am using Basic label to get value of address using Modbus TCP, But i really need to get value very quick like  5 Millsec " I suppose i want the polling rate of Modbus tcp to be 5ms". Can you tell me whats the default its using?  and how i can make it 5ms?  Really appreciate your help thanks.

Regards