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PLCs
Topic: PLCs and related questions.
from the Forum department...
How to control speeds of 3 dc motors
Originally posted by P on 19 February, 2014 - 1:56 am
How to control speeds of 3 dc motors using s7-200 plc.
New Replies:
As you noticed, there are several different ways to do so. A lot depends on your application, the...
Topic: PLCs and related questions.
from the Automation List department...
MSG SLC505 to ControlLogix
Posted by Jerry H on 19 February, 2014 - 10:51 am
Is it possible to communicate between LC505 to a ControlLogix using ethernet/DH+?
Topic: Power generation equipment control.
from the Forum department...
Mark V Time sync problem
Originally posted by dinster on 8 December, 2010 - 3:09 am
problem with Mark V HMI time-sync
New Replies:
syed_hassan08, I also wanted to mention that just a few days ago I learned of a GE Mark V HMI...
syed_hassan08, It's been a VERY long time since I've worked on an <I> Mark V operator...
Hi WE have 4x MarkV panel STG Mark V hmi <I> is master and other are slave. Whenever we...
Topic: PLCs and related questions.
from the Forum department...
Project ideas for getting into automation?
Originally posted by Rhonage on 15 February, 2014 - 9:59 pm
I'm learning from scratch to be an automation engineer. Where should I start?
New Replies:
It was suggested to maybe get some Mecano and play a bit. If you want to get into some really...
The essential basic concepts for automation, process control, etc all reduce to one thing -...
I find that the electronics and mechanical experience will make you a better control engineer...
I think you've come to the right place! :) I've worked in a few different fields (doing...
Topic: Software, including programming, OS issues, etc.
from the Communications department...
How do OPC works?
Originally posted by Daniel on 23 January, 2014 - 9:09 am
How do OPC works and what are the differences with other protocols?
New Replies:
Hello, First of all, thank you so much for the answers, they are helpful for my understanding. ...
Topic: PLCs and related questions.
from the SCADA department...
Monitoring PLCs Remotely
Originally posted by Shamshun on 18 February, 2014 - 2:51 am
Trying to connect industrial machines to a network and monitor parameters and states remotely.
New Replies:
> "I explained remote monitoring of PLC/Equipment to the factory that hired me" My...
Topic: Communications systems and equipment.
from the Forum department...
Rs5k and Prosoft MV156E_MNET to BN 3500
Posted by KenM on 17 February, 2014 - 2:46 pm
I am looking for an integrator to link the Prosoft module to Bentley Nevada rack and Gateway 92 enet module.
Topic: PLCs and related questions.
from the Forum department...
Help connect XBTN400 to twido TWDCDA24DRF
Posted by Nicolescu Constantin on 17 February, 2014 - 12:02 pm
Help connect XBTN400 TO TWDCDA24DRF
Topic: Communications systems and equipment.
from the Forum department...
RSLogix access PLC via internet
Originally posted by Helge Slettvoll on 19 March, 2010 - 5:43 am
Is it possible to access a PLC from RSLogix 5000 installed anywhere?
New Replies:
We have used Inhand Networks router. IR791PH09 with GPRS/UMTS IR794UE with ADSL already...
I know this is an old post, but we had a similar problem at our workplace. We used the remote plc...
Topic: Engineering and workplace issues.
from the Forum department...
Abb symphony+ hpc800
Originally posted by Jack on 16 February, 2014 - 3:56 am
Execution time for HPC800 in a closed loop control.
New Replies:
> What exactly it means that HPC800 allows to execute closed loop control of > more than...
Originally posted by ASK on 24 January, 2014 - 5:24 am
I have converted EM6400 RS485 port to RS232 and configured all setting as per documents and getting error "Modbus exception code 02 returned: Illegal data address"
New Replies:
Yes Thank you, as you suggested I started address as per document. Now I am getting another error...
Topic: Software, including programming, OS issues, etc.
from the department...
Modbus CRC in VB
Originally posted by Anonymous on 13 January, 2003 - 5:37 am
how to produce and decode modbus CRC in VB
New Replies:
I have 1 Multimeter MFM383A C of Selec. But not knowing Frame transmission and reception. Who...
Topic: PLCs and related questions.
from the Forum department...
Error message on Hydrapath III controller
Posted by jlaiii on 13 February, 2014 - 6:27 pm
"Axis Drive Not Ready" error on Hydrapath III controller
Posted by Oka on 12 February, 2014 - 7:37 am
Bently Nevada communication with /92 to Simatic PCS7 via Anybus 9001: Modbus TCP/IP to Profibus. Missing Watchdog function?
Topic: Human-Machine Interface and SCADA.
from the Forum department...
WinCC Startup Fail
Originally posted by Gavin Bennett on 6 February, 2014 - 8:53 am
WinCC Startup Fail
New Replies:
Hi Chaps Sorted !! The problem was with the CAS. I disabled Alarm logging and Wincc started...
Hi, WinCC could fail more many reasons, although I think you probably have not closed down...
Topic: PLCs and related questions.
from the Multiple IP addresses? department...
Prosoft PLX31 Gateway AB EIP to MBTCP
Posted by Tim from Kansas on 11 February, 2014 - 8:26 pm
Multiple IP addresses on Prosoft Gateway PLx31-EIP-MBTCP, can this be done?
Topic: Software, including programming, OS issues, etc.
from the R&D department...
Help with MODBUS Address
Originally posted by gil on 2 February, 2014 - 7:26 am
Help needed with writing a bit (true/false) to a modbus adress
New Replies:
> Writing to 14.03 is not an issue I can handle it very easily from labview. > my question...
Not sure what drive you have. but in an ACS550, 14.03 is a configuration parameter for how the...
Topic: PLCs and related questions.
from the simplification makes it harder department...
Mitsubishi VFD control by PLC
Originally posted by Daniel on 9 February, 2014 - 10:03 pm
Controlling the frequency (0-60 Hz) of a Mitsubishi FR-E720-S30 VFD (they call them inverters) with a Mitsubishi Q00UCPU.
New Replies:
Yes, I think the PWM would probably have worked, so long as the "ON" voltage will be...
> many drives allow you to create a list of speeds >and select from the list with...
One option that you don't mention that might work for you is that many drives allow you to create a...
Originally posted by Josep on 6 February, 2014 - 11:40 am
What is the fastest reaction time (measurable with external oscilloscope) between Input->Logic (PLC)->Output in ControLogix
New Replies:
An addition on part 1 there; there are remote blocks with in-built logic as well as the...
Thanks both I understand from your answers that: 1) Fast I/O response can be achieved in...
Josep, best case ILO for Controllogix system you may achieved is less than 100 uS, if Peer to...
Best-case ILO (Input Logic Output) throughput for the ControLogix System? I'm not 100% sure, and...
Topic: Software, including programming, OS issues, etc.
from the Automation List department...
Think and Do Software rating
Originally posted by Mike Asztalos on 20 November, 2000 - 3:06 pm
My company is interested in using this company's
product. I would like to know what users in field
have to say about its use and ability to control.
New Replies:
Not surprising. My company tried Think & Do for a little while, but gave up on it. We have...
I have ben using Think&Do for last ten years and the one of the problems I am seeing is that...
Topic: PLCs and related questions.
from the Who let the new guy in here? department...
Converting Satcon15 to micrologix plc
Posted by J on 10 February, 2014 - 1:08 pm
I need help changing SatCon15 to a PLC micrologix.
Topic: Communications systems and equipment.
from the Forum department...
Modbus CRC/Data Errors
Originally posted by FInlay Killoh on 10 February, 2014 - 4:32 am
Issues with incorrect data received at a slave with crc errors.
New Replies:
By Lynn August Linse on 10 February, 2014 - 10:34 am -
Any time you see stray 0xFF bytes, tends to be an RS-485 cable biasing issue. What happens is...
Topic: PLCs and related questions.
from the Special Effects department...
Interfacing dmx controller to a plc
Originally posted by Anoop on 8 February, 2014 - 4:12 am
Interfacing dmx controller to plc using serial port commands
New Replies:
1. if you need to start a show by means of plain ASCII commands, any RS232 card is suitable....
Anoop, T-mac Technologies produces Modbus RTU (RS-485) to DMX512 (RS-485) gateway so it would be...
Topic: Communications systems and equipment.
from the Forum department...
Modbus RTU FC05 gives Error Code 84
Posted by Ralph on 10 February, 2014 - 3:53 am
Redundant S7 400H w. redundant Modbus_RTU connection to Honeywell-Control-System ==> no problem for 3 years. After adding (2) CP341 in redundant de-central periphery ==> sometimes error code 84 after sending FC05.
Topic: Software, including programming, OS issues, etc.
from the Electrical Engineering department...
Communicate ER300P energy meter with PLC
Posted by Ummachan K.Joson on 7 February, 2014 - 3:43 am
How do I enter programming mode and communicate ER300P meter with PLC SIEMENS 200?
Topic: PLCs and related questions.
from the Forum department...
Modbus TCP to PLC using vb.net
Originally posted by Steve Sodzi on 7 May, 2010 - 10:30 am
visual basic code to write to a Schneider Premium PLC via TCP. The only problem is that i cannot read the response back from the PLC.
New Replies:
My dll can do all of this and it's free. It's called Shortbus. Look up "shortbus modbus...
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