We have a plant down for major overhaul and have all the AB PLC's powered down. How long should the SLC-504 and PLC-5 RAM Batteries hold up considering they are about 1-year old?
Is 45 days pushing it? Thanks
Is there a way to determine the condition of a bladder in a Hydraulic Accumulator without taking it off-line? If not, how would you know if it were ruptured until the Accumulator is needed... and it's "not there"? Thanks
I have 5 / PLC5 approx 400ft from control-room where there is a single SLC. I want to add an HMI (1784-PKTX). Can all the DH+ be connected in the control-room in a "star" configuration without significant loss of data speed? Thanks
I have a compressor with a recycle valve between suction and dischg (700-950psi). When the unit goes on-line it must not take the dischg pressure up at greater than 40 psi/minute. The Gov control is another issue, but regarding the valve: what is the best way to control the rate? Simple...
