We have a PLC that we have connected to the RUT955 via a serial RS232 connection. We changed the config script so that the console opens without authorisation to help with the simple PLC tools.
We have the RUT making calls and sending SMS messages
We would like to read SMS from the unit, too. The problem is that, when we use 'gsmctl -S -l all' we can receive more characters than the PLC buffers can handle so we miss any characters over 200. Reading only new messages doesnt work when using 'gsmctl -S -l new' all messages are messages have status as 'read' so the response is blank. We know we could send the command to delete any messages we have read but there is then a chance we could miss one.
We cannot use flow control with this PLC so, it would help if we could stop the RUT from sending a the characters between lines such as '---------------------------------' between each SMS
Ideally, we would like to do all of this via Ethernet but the PLC is Ethernet/IP from AllenBradley so all of this would have to be done via CIP messages which we're not sure is even possible. Have you had anybody use CIP messages to SSH or open a console with a RUT955.