I have given (on request) our (mk6 toolbox EGD) signal database to the customer DCS engineer to allow him to configure his side to read our system signals over GSM.

What I want to know is how does the DCS interpret the analog signals so that the DCS points can be scaled accordingly for each individual analog signal ?

There is no scale and offset available on the list as there is for a Modbus list.

So how can the information be interpreted correctly if they don't know the ranges of each analog signal within the mk6 system?

Thanks in advance for any information anyone can supply.

 

There is a GE publication (no; I don't have a copy to send to anyone), GEI-100516, GSM for HMI Applications, that has sample C programs for use in communicating with a GSM server running on the GE HMI.

That's about the extent of my knowledge; I'm not a programmer, but I think all of that is handled in the C program on the DCS that communicates the the GSM server on the GE HMI. I think part of the answer is that the Mark V uses floating point math not fixed point math, but I'm not sure if that's relevant or not.

All I know is there needs to be a "client" on the DCS end of the link that initiates communications with the GSM Server that's running on the GE HMI end of the link.