I have a Safecore gas detector that I am trying to remote connect to my computer through a Microhard pDDL900 radio. The sensor communicates using the MODBUS protocol, which I am not familiar with, and I'm running into issues getting it to talk with the radio. I am going into the serial port of the radio and have it configured as it should be but I cant even get the serial port to open up. I can direct connect the sensor to my laptop through a TTL232 USB to serial adapter, I have then connected into my laptop to the radio but still not having any luck getting them to talk. I know the radios are setup to be able to communicate because I can use a different system without the MODBUS protocol and they talk without an issue. All I'm trying to do is get the data OFF the sensor board and transmitted to my computer to display the data.
ANY help would be greatly appreciated as I have never used this data protocol before and running into issues getting the data to be transmitted that need to be solved soon for a test we are going to be doing in two weeks.
ANY help would be greatly appreciated as I have never used this data protocol before and running into issues getting the data to be transmitted that need to be solved soon for a test we are going to be doing in two weeks.
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