Ok Guys, I am looking for opions here. In my plant we have a panel with 2 transformers. a 3KVA just for control power and a 2 KVA just for the AC. Before my time an AC unit was replaced with a wrong model, a 230VAC unit. Being good little electrician and wanting to get the system back up, they...
I am in the middle of a discussion with a friend on the possible use of a VFD for the operation of a Home AC compressor. I think this would greatly enhance the longevity of the system and increase the efficiency also. Any thoughts on this?
Hey folks,
I work for an instrumentation and testing firm and am wondering how to get certified as a thermal imaging inspector in order to help my company grow. Any help would be appreciated.
DASKAT
Hi folks
I am attempting to share data between 2 AB PLC-5's I have tried to no avail to send one simple word between them. Both PLC's are on the same DH network. I continueously get an error message that I have not correctly formatted the control block. The questions I have are 1) Is this...
I am using AB Powerflex 4 drives for a conveying system.
The drives are 1 Hp while the motor are only 1/2 Hp. These drives are being controlled by an after market modbus protocol card. And the Question is this, When the drive starts it does not ramp, instead it goes directly to its max Freq then...
Say Folks,
I am attempting to create a vibration analysis program in my plant. about 11 years ago to company bought an IRD fast track monitor and the IQ 2000 software. I have resurected the monitor but I am mising disk 1 of 5 of the IQ 2000 software. I know that IRD was bought out by Entek which...
Does any one know of an algorithm for converting the date stored in the S2 status file to the day of the week? I have been toying with this and am having dificulty trying to truncate and find the mod ie the remainder of a division while trying to program this PLC-5.thanks again folks
THE KAT
I understand the importance of vibrational and how it can be used to predict bearing and alignment problems. The question is does any one know where online you can find information on the various harmonics and frequencies which identify problems ie 7/8 base freq is indicative of an inner race...
I am using a prosoft modbus card to control a number of AB powerflex 4 drives but I find my block transfers jump aroundto the various data areas and the drives do not respond as quickly as I would like. Any help on this one?
Hey Folks
I work as an industrial electrician by trade and am looking to learn more about petrochemical engineering. Does any one know of any sites which can show me the basics....
