K
Hello!
I'm working in a company that produce devices. Our devices communicate with a server using rs232 radios. The frame is 16 bytes wide and is ascii based.
One of our potential clients tells us that in their country they cannot use radio frequency and they asks us to integrate our system in their modbus-tcp environment.
I am seeking a solution that won't bring me in 6 month of development to change our firmware and software to support the new protocol. I was looking for a device that could embed our frame in an modbus-tcp frame. I know there is gateway (modbus-ascii -> modbus-tcp) but they won't convert to my proprietary format. I have found the device anybus communicator, seems great but will only works with a slave, not with a master.
Moreover, regarding the frame, from my reading of the protocol there is 2 type of rs232 frame. The ascii and the rtu. Do we have to implement both ?
Finally, if I have to implement the modbus-ascii protocol in my device, I don't understand how to manage the function with my application. I don't have coils, I only have few analog, almost everything is data on 10 or more bits)... (temperature, resistance, power, voltage...) and I don't want to access 1 item per query, ideally, it would be to embed my current frame in the data field of the modbus, but how to do that a compliant way ... I don't know yet...
I'm new with the modbus protocol and would appreciate to have information from you, experts !
Thank you a lot.
Regards.
I'm working in a company that produce devices. Our devices communicate with a server using rs232 radios. The frame is 16 bytes wide and is ascii based.
One of our potential clients tells us that in their country they cannot use radio frequency and they asks us to integrate our system in their modbus-tcp environment.
I am seeking a solution that won't bring me in 6 month of development to change our firmware and software to support the new protocol. I was looking for a device that could embed our frame in an modbus-tcp frame. I know there is gateway (modbus-ascii -> modbus-tcp) but they won't convert to my proprietary format. I have found the device anybus communicator, seems great but will only works with a slave, not with a master.
Moreover, regarding the frame, from my reading of the protocol there is 2 type of rs232 frame. The ascii and the rtu. Do we have to implement both ?
Finally, if I have to implement the modbus-ascii protocol in my device, I don't understand how to manage the function with my application. I don't have coils, I only have few analog, almost everything is data on 10 or more bits)... (temperature, resistance, power, voltage...) and I don't want to access 1 item per query, ideally, it would be to embed my current frame in the data field of the modbus, but how to do that a compliant way ... I don't know yet...
I'm new with the modbus protocol and would appreciate to have information from you, experts !
Thank you a lot.
Regards.