Does anybody have a slick inexpensive way to load test a 120v battery bank? 10 12v lead acid batteries with a constant trickle applied. Please don't suggest light bulbs. I need something that a maintenance guy can use. Also, can you give me any reason not to replace the lead acid with gel cells.
I measure liquid level at both the fresh water and waste water plant three different ways. Differential pressure, bubbler and ultra sonic. If there is a lot of movment in the storage tank, use a bubbler. If there is not, ultra sonic. If you have been in a coma for ten years, use differential...
What is the station number in rslinx? Do you have another device using that number. Or maybe your panelview is set to a station # that is being used by somthing else. Go into linxs and verify that it is someware on you network and go from there.
If the center tap of the transformer is connected to "earth ground", then all of your outlet power is in reference to "earth ground. If you sink a grounding rod outside of your house and connect the neutral to your grounding rod your will not pass your electrical inspection. Ground and neutral...
If you have a community collage in your area, take a PLC class. I have sent Instrument techs to these kinds of classes and they do a good job. I have done "real world" presentations in the class in the past. There are people looking for a new carrier and experienced people taking it as a...
Oddmanout:
I like the way you defended yourself. Did you notice that the sarcasm went away and people started answering your question? Good reading for a not so informative question. Either you textbook is out of date or you instructor has been out of the “real world” to long if he or she...
There are a lot of cases where a machine is powered by a MCC (Motor control center) or a stand-alone starter. OSHA requires a lock out point within eyesight of the machine. The machine is already double protected by over current heaters and fuses or circuit breakers. It makes no sense and you...
Justint:
Did not know the budget was under $100
Give me break! I thought this was an engineering forum. Go to a handyman forum and let them tell you to get a sump pump switch.
I am assuming that 2300v is the service comming into your facility and you are modifying it to 600v to run your existing compressors. Consider the price of new controls to your purchase of the new units to the few kwhs your going to save with the higher potential.
Phoenix contact makes a good radio set and so dose Dataradio. I have been running Phoenix radios for about 4 years and no problems. I am transmitting rs-232. Cost savings from the phone line charges makes these things pay for themselves. In did my own distance checks. Buy a set, hook them to a...
If it is under 1000 cps, use a positive displacement flow meter. There are pd flow meters that measure more viscus materals but they become less acurate, up to 100,000 cps. Or you can measure how much you have used from a container with a level sensor and program the logic to a calculated flow...
Any shop that specializes in maintenance and repair of medium voltages switchgears and transformers can easily find a breaker sized to fit you cabinet and your application. You can also try contacting an IBEW shop that dose bigger work. They can either help your situation or refer you to a...
I make a really good living repairing the mistakes of the designer. I could give my two cents but I would only be repeating what scotty already said. Check out the link below, Dilbert pretty much sums up this whole conversation.
http://www.youtube.com/watch?v=ySpOuaYwLQU
Is your slc connected to a modem or another comms device? Some older comms devices send out there data on a different baud rate and or a half duplex config.
