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.
Communication between PC and PIC16 using MODBUS protocol
I need to control a FC51 Danfoss VFD with LS PLC. I need to start , stop & jog the drives.
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...
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Indramat is now part of Bosch Rexroth. Product support, including documentation, 1-800 contact,...
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Need help synchronizing four 12 VDC motor lift using Gama Inc controller
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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...
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Do VSD which has been stored for more than 3 yrs need to "pre-charge" before powering with main supply?
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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.
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.