We have three production lines, each of which use a Siemens Sicomp MMC 216. Can anyone tell me what Siemens Sicomp MMC 216 is, & where I can get information on it. (It appears to be a rack mounted PLC.) I would like to, if possible make a backup of each system. The production lines are in excess of 15 years old & the company that manufactured them no longer exist. A search of the Siemens Automation site reveals no information TIA, woodglass...