Rexroth FE Modbus Control
Problems controlling a Rexroth FE variable frequency drive over RS485 MODBUS
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GML Commander on an AB 4100 Controller
Communication error when connecting GML Commander to an AB 4100-234-RL.
Communication between PC and PIC16 using MODBUS protocol
By striver on 10 October, 2017 - 3:01 am
Connect PIC to max485 and then use RS-485 TO USB converter on PC side interface which max485 in it...
Fisher Positionner dvc6000
Communication problem between actuator dvc 6000 and DCS ABB. The actuator not responding. When the actuator is switched to the mode hart and command the actuator with hart 375 its respond.
I need to control a FC51 Danfoss VFD with LS PLC. I need to start , stop & jog the drives.
By uli on 4 October, 2017 - 11:16 am
I got an answer from Danfoss: Modbus TCP on Danfoss VFDs does not support coil addressing. Uli...
Altivar 61 Parameter Question
Can Altivar 61's parameters change by themselves?
MODBUS RTU to RS485 Configuration
Posted by Shandene Solomons on 13 September, 2017 - 6:24 am
I'm trying to set up comms from a PLC to a VFD using MODBUS. PLC has RS232 and VFD has RS485 running through a RS232 to RS485 serial converter.
I try to communicate ABB ACS880 drive with DCS using RPBA-01 emulation without changing the configuration on DCS.
Concentration Inflow Measurement Affected by Pressure
Sludge concentration measurement in pipeline using back-scatter infrared sensor but the pressure prevent the reading .
By d on 27 August, 2017 - 4:37 pm
At a minimum, you need to calibrate your sensor with a stable light source in air and liquids, at...
By d on 18 August, 2017 - 9:33 am
Ok I understand your static sample is from the process, and answers that question. You've...
Torque Calculation of VFD-Motor
I want to calculate the Torque a 3-phase induction motor
How to find the BLDC Motor transfer function
Transfer function of the BLDC Motor
Problem with kinetix servo drives.
Need troubleshooting help or troubleshooting guide.
By Scott Hibbard on 21 August, 2017 - 10:42 am
Indramat is now part of Bosch Rexroth. Product support, including documentation, 1-800 contact,...
Beginner AC Servo Motor Guide
How to control AC servo motors.
What goes with AC stepper drive, a stepper AC motor?
Remote Operate Control Valve
Is there a system that allows you to operate a control valve remotely that is about 8 miles away?
Need help synchronizing four 12 VDC motor lift using Gama Inc controller
Detecting a small magnetic field using Hall Effect Sensor
Posted by Anonymous on 7 June, 2003 - 2:21 am
I have a problem, i want to detect a magnet which have a small magnet for a long distance using Hall Effect Sensor.
By Turgut on 8 August, 2017 - 8:22 am
I am looking for a sensor to detect a 4mm neodymium magnet from a distance of 5cm. With a small...
Radar Type Level Transmitter
Frequency impact on performance of non contact type radar level transmitter
By d on 28 July, 2017 - 1:55 pm
The frequency itself is less important that the service conditions you've described. You'll be...
By Fabricio Andrade on 25 July, 2017 - 11:48 am
Hi, There is a huge difference between the frequency bands. Basically, the difference is the...
Wiring Up 7 Emergency Stops on a Conveyor
Looking for a diagram for wiring emergency stops on a conveyor.
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
Clarification on Correct Servo Polarity Check
Questions about Servo polarity check during valve calibration.