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I measured a resistance of 215 ohms with fluctuations from 192 ohms to 222 ohms through one complete revolution.

one month later I have finally recieved a quote on programming software Edops2. The cost is a little on the high side 480 pounds stirling, that translates into $1166 Canadian for me, ouch! also required is a communications card "o43" that plugs into the plc rack at a cost of 351...

I have replaced the tachometer and all is well. It would appear that the tach was causing drive fluctuations that resulted in growling/vibration through the drive line of the printing press. after replacing the tach the press speed returned to normal as well as eliminating some noises that...

check out another thread on this site. thread277-7096 these people aparently support eberle plc www.systechuk.com i a have been trying to get info out of them for less than one week. However, I have not recieved anything usefull yet. they do claim that they can help I just haven't seen it yet.

thank you, your comments will allow me to purchase a new tach with more confidence that I am not wasting money. Steve

I have a 60v / 1000rpm tach in the control loop for a 30kW DC motor. Recently the printing press that the motor drives has been running faster than rpm gauge is indicating. I have taken a reading of 45v on the tack leads while the motor was running at 1060rpm (measured with an optical hand...

I spent a few years operating a high speed SMT assembly line. we used Kester solder paste. this was reflowed in a conveyor oven. If you are working with a relatively small number of solder joints the iron and solid solder is the way to go. The reason we used a paste was process related. The...