GE DC 300 Drive FL15 VFBLS Fault
Posted by Dennis J. Reisinger on 16 June, 2017 - 7:51 am
Heidelberg 9 unit press with dual DC300 drives. Primary drive faults during jog.
Clarification on Correct Servo Polarity Check
Questions about Servo polarity check during valve calibration.
Sludge Concentration Inline Measurement
suspended solid measurement in pipeline (Sludge Concentration) in sewage. up to 7%
on 14 June, 2017 - 8:30 am
Hi, thank you for your reply. It's primary sludge. It's feed to drum thickener from big sewage...
By Woolsey-Mike on 13 June, 2017 - 9:35 am
Hi Most important is what kind of sludge, not just concentration. Primary, Waste Activated,...
Pick and Place Fabrication
Need information on all considerations for the manufacture of pick and place units.
Cut to Length Servo Control
Which application is best suited for this?
What goes with AC stepper drive, a stepper AC motor?
induction Motor V/Hz Ratio Is Low - Effect?
Induction motor run at a lower than designed V/hz ratio...what happens?
Old automatic lathe's motor has overheating problems because it changes direction of rotation to unscrew.
Wiring Diagrams for Rotork Electric Actuator
Need manual and wiring for rotork model k30 F10A
By Bob Peterson on 28 May, 2017 - 2:34 pm
Most of the ones I have seen have a wiring diagram on the inside cover of the terminal box....
Oscilations with Multiple PIDs
Control of a (simulated) humanoid robot with PIDs to control each joint: osculations at 0.5*simulation frequency (=0.5*control frequency)
By d on 21 May, 2017 - 12:20 pm
You have to look at the physical geometry of your system to sort out the interactions, since every...
Communicating with an Allen Bradley 1394 GMC Digital Servo
Problems Communicating with Allen Bradley 1394 GMC turbo system
Connectors for AB Kinetix Drive
Posted by Rob Riley on 17 May, 2017 - 5:40 pm
Need connectors for the Allen Bradley Kinetix 5500 drive power in/out, encoder, DC power, etc...
Allen Bradley 1336 PLUS Drive - Restart After a Power Blip
Allen Bradley 1336 PLUS drive trips off after a power blip. Faults show power line loss and low bus fault.
How to Brake Single Phase Motor
Trying to reduce motor stop time after removal of power. Tried DC injection with limited effectiveness. Need to find a better method.
By Tom Smith on 9 May, 2017 - 5:08 pm
There is an excellent product for single phase applications, called, "Brake Pak", made by...
Conecting a FC51 Danfoss VFD Using MODBUS
Controlling a FC51 Danfoss VFD with a PLC to start, stop & jog the drives.
RTU over Ethernet Problem
Wago 750-432 - Arial Platform Control 2005 Problems
Posted by Cherry picker man on 22 April, 2017 - 1:44 pm
Problem with LAN socket connection on Wago 750-432
Wiring Up 7 Emergency Stops on a Conveyor
Looking for a diagram for wiring emergency stops on a conveyor.
By d on 6 April, 2017 - 2:59 am
Without the ladder or Logic drawing of the plc controls it is not possible to properly assess what...
By Shakopee on 5 April, 2017 - 6:50 pm
I only see six stop switches, two sets of 3. Could be the input is not properly programmed for the...
AUMA Motor Operated Valve
AUMA motor operated valve not operating in remote using DCS logic
Unbalanced Loading of Transformer
What if we load only two phases of a transformer?
By paru on 15 April, 2017 - 1:17 pm
>What is primary-winding? Delta or Wye? The primary star connected. The voltage of that...
Load Reactor Failure in Variable Frequency Drive
Repeated failure of load reactor on variable frequency drive
Torque and speed control in BLDC motors
I want to know the details of a speed control for a BLDC motors. I want to know the relation between the torque variation during speed control.
calculating motor power draw
Calculating motor power draw
Is there any data sheet related Hitachi DC motor
By M. Cihat Özgenel on 3 April, 2017 - 1:43 pm
> Anybody have the schematic for the connection to encoder? I hope I am not late RED:...
Variable Speed Drive for Pump Control
Variable speed pump and control