In message
<caa_ff+peem93ehb5q0benzwcx+w5bvrxpth7+mgd0ng5egh...@mail.gmail.com>,
dated Thu, 17 Sep 2015, Richard Jones <[email protected]> writes:
I had been told we need a Dual Redundancy Interlock and a PLC to manage
the control and that our current Interlock and TTL Logic is
not acceptable,
Whoever told you that has a duty to cite the regulation or standard that
has that requirement. It is not up to you to have to guess where the
requirement came from.
--
OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk
When I turn my back on the sun, it's to look for a rainbow
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK
-
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