Torque Varies at Fixed Input Current for a Servomotor
Queries about the linearity between the output torque of a servomotor and its input current.
High Voltage Motor Temperature Rise
A high voltage motor temperature increased after rewinding.
MH50 Pallet System Restore Help - Battery Died
We have a Mitsubishi MH50 Mill that battery went dead in Pallet Pull side - we borught up, set parameters but still won't work.
Synchronizing 2 Servo Motors Connected to 2 Rolls with Different Diameters
How can I synchronize 2 servo motor connected to 2 rolls of different diameters for positioning application? Due to different roll diameters, I am facing overload issues in motors.
By Bob Peterson on 28 December, 2017 - 3:25 pm
This seems like a run of the mill electronic gear ratio application. Most motion control systems...
Driving Low Inductance PMSM
Driving low inductance PMSM by current loop
Single Encoder Output to Multiple Devices
Can I connect a single encoder output to multiple devices?
Boiler Burner Control Damper Servo Motor Potentiometer Burned Up
Boiler Damper Controlling Servo motor not working Properly.
By abdulrahman0575 on 25 November, 2017 - 1:19 pm
4-20mA is control signal. feedback taking from potentiometer, 3 pot with blue black brown wires....
Actuator Minimum Air Pressure Increase
Consequences actuator minimum air pressure increase
Auto Start in ABB -AC Drive ACS850
Once we apply Emergency Stop from field or local panel, the drive trips/stops. While releasing the emergency it starts automatically.
By Bob Peterson on 16 November, 2017 - 7:45 am
It sounds like you may have the emergency stop contacts wired into the start circuit. If if so it...
Heidelberg Cutstar Roll Stand
AMK Drive and Controller Issues
Need troubleshooting help or troubleshooting guide.
Rexroth FE Modbus Control
Problems controlling a Rexroth FE variable frequency drive over RS485 MODBUS
GML Commander on an AB 4100 Controller
Communication error when connecting GML Commander to an AB 4100-234-RL.
Altivar 61 Parameter Question
Can Altivar 61's parameters change by themselves?
I try to communicate ABB ACS880 drive with DCS using RPBA-01 emulation without changing the configuration on DCS.
Do VSD which has been stored for more than 3 yrs need to "pre-charge" before powering with main supply?
Inverter with Lower Voltage Motor
Using a 460v Inverter with a 400v motor
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.
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?
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.
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