monkeyhead
Member
http://www.barn.org/FILES/historyofplc.html
Dick Morley talks about hauling the MODICON 084 around in the trunk of his pontiac on the way to an early customers site, and using QA tests including a tesla coil and a rubber hammer.
"At one time, the programmable controller meantime before failure in the field was 50,000 hours"
Neat little tidbits like the above quote throughout the article.
Dick Morley talks about hauling the MODICON 084 around in the trunk of his pontiac on the way to an early customers site, and using QA tests including a tesla coil and a rubber hammer.
"At one time, the programmable controller meantime before failure in the field was 50,000 hours"
Neat little tidbits like the above quote throughout the article.