Need help modbus id on h-100

RickNDozer commented 10 months ago

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Genmon Version: {Please write here} Hi I am going out on a limb here I do know know what I am doing on this website, it’s the only info I have found on the internet regarding generac and modbus communication, I am working on a h-100 panel trying to get comms to a Maximus controller with a modbus card I can not find the modbus ID on the h-100 panel. Could someone please email at naberhausnick@gmail.com with any help thank you

jgyates commented 10 months ago

if you are looking for the modbus ID of a H-100, it is configurable in the menus, but I think the default is 100 decimal (64 hex)

RickNDozer commented 10 months ago

Thank you for the reply. Is it configurable through the menu on the h-100 panel or only through genlink? I talked to generac tech support on the phone the couldn’t tell me anything but guess what it was and told me I would have to have a generac industrial certified tech come out and connect to genlink to view or chance the ID number. I appreciate the help I have been lost this my first time doing anything with modbus. We are trying to connect the generator to the controller of a turkey barn so they can view amps, alarms m, etc on the controller remotely so when they weather gets bad they have a piece of mind staying at home On Nov 24, 2023, at 1:17 PM, jgyates @.***> wrote: if you are looking for the modbus ID of a H-100, it is configurable in the menus, but I think the default is 100 decimal (64 hex)

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jgyates commented 10 months ago

I don't know the answer as I don't own a H100. Someone else may be able to help with that questions. You can also ask in one of these two forums:

https://www.zillerstore.com/categories https://gentekpower.com/forums/

liltux commented 10 months ago

@RickNDozer you can view modbus info via the display, Menu, Diagnostic, page thru Inputs, Outputs, Analogs, then you will find Comms. Comm 0 is the main port on front of controller DB9, should be RS232. Comms 1 is RS485 for annunciator panels. On the RS232 page it will display the settings and ID.

RickNDozer commented 10 months ago

Right now we are using the RS485 port. It’s running to what I believe is called a modbus bridge possibly correct me if I’m wrong on that, we are just trying to read the data from the generator amps, volts, faults should we be using the RS232 instead? On Nov 24, 2023, at 3:42 PM, Jared VanFleet @.***> wrote: @RickNDozer you can view modbus info via the display, Menu, Diagnostic, page thru Inputs, Outputs, Analogs, then you will find Comms. Comm 0 is the main port on front of controller DB9, should be RS232. Comms 1 is RS485 for annunciator panels. On the RS232 page it will display the settings and ID.

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liltux commented 10 months ago

@RickNDozer that is a problem. These are two separate interfaces. If you were able to get to the diagnostic screen you would see that by default the RS485 port is configured as a master. To use the RS485 port you will have to have an Industrial Technician on site to change that to Modbus Slave so it will work correctly. Also it’s settings are different as well, 4800, 8, 2 stop bits. All of that has to be configured with GenLink and a certified tech.

RickNDozer commented 10 months ago

Would it be possible to do it through the RS232 port?On Nov 25, 2023, at 7:43 AM, Jared VanFleet @.***> wrote: @RickNDozer that is a problem. These are two separate interfaces. If you were able to get to the diagnostic screen you would see that by default the RD485 port is configured as a master. To use the RS485 port you will have to have an Industrial Technician on site to change that to Modbus Slave so it will work correctly. Also it’s settings are different as well, 4800, 8, 2 stop bits. All of that has to be configured with GenLink and a certified tech.

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liltux commented 10 months ago

@RickNDozer yes. The default settings for the RS232 are: Modbus Slave, 9600, 8, 1, none. That port does not require any intervention to use, but it is RS232. So you may need to transition from that to 485 or even over Ethernet using a converter.

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