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Monday, October 21, 2019
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PLCs - Topic Page
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Panel Vent and Fan Location Advice Please
Posted by xtal_001 on 20 September, 2019 - 6:05 pm
I need to install a fan in two panels. Blow in, suck out ... mount high or mount low?
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By Leo on 20 October, 2019 - 8:34 am
I have executed many panels and in such scenario I keep louvers (filters) in the bottom and Fan at...
By xtal_001 on 23 September, 2019 - 7:34 pm
Thanks! I was thinking of a small computer style filter (really a fine mesh head on by magnets so...
By d on 23 September, 2019 - 5:54 pm
At a minimum use a simple filter on the inlet to minimize debris build up. The temps don't seem...
2
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GE Mark V Electronic Overspeed Test on Cooldown
Posted by RJSolo on 12 October, 2019 - 11:23 am
Testing the GE Mark V Primary & Emergency Electronic Overspeed on Cooldown
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By borrellimd on 14 October, 2019 - 3:33 pm
We do 2 tests without actually overspeeding the turbine. The first is for the Primary Overspeed...
By CuriousOne on 13 October, 2019 - 9:08 pm
The test you describe is actually a commissioning test. A actual overspeed test is performed later....
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Point Guard I/O Safety Modules
Posted by jrice54914 on 16 October, 2017 - 4:49 pm
Point Guard I/O Safety Modules with Compactlogix
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By James Ingraham on 11 October, 2019 - 4:19 pm
>There's actually a Compact GuardLogix, but I wouldn't use it, as it's outdated. I said that...
437
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Why do you pay for PLC programming software?
Posted by Stephen on 6 June, 2002 - 9:45 am
A question that has been on my mind for some time...
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By vrboarder on 10 October, 2019 - 10:10 am
>As a business owner and consumer of these devices and >processes, I prefer a scaled...
ACS1013-W2 Communication with PLC
Posted by KiranKumar69 on 9 October, 2019 - 12:40 am
How to communicate ACS1013-W2 ABB MV Drive with PLC
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ELOP II MODBUS Communication
Posted by Mohanna on 7 October, 2019 - 3:00 am
We have connected Hima Hq51 with Yokogawa Centum VP DCS by MODBUS TCP/IP but BOOL data not receved in DCS.
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By Carl_E on 7 October, 2019 - 7:41 am
Presumably you are using a Function code 03, read Holding Register(s), or 04, read Input...
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H2S Gas Detector
Posted by automat81 on 1 October, 2019 - 10:49 am
H2S detector for the range of the detector is 0 -100 ppm
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By oneye14 on 4 October, 2019 - 5:59 am
One would guess you could use both gas cylinders to compare results. However it would appear...
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Writing an Address in Intouch Wonderware
Posted by TokiMIT on 27 September, 2019 - 7:29 am
Anyone know how to write an address in my Intouch?
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By oneye14 on 4 October, 2019 - 5:55 am
In the early days of SCADA back in the 1980's, some operating systems worked on fixed...
2
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Telnet PLC Session
Posted by salwa1215 on 12 July, 2019 - 6:09 am
Establishing a connection with my PLC through telnet but it didn't work.
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By Robert Dusza on 2 October, 2019 - 8:51 am
Try adding a ":" after the IP address and before Port of 502, no spaces 20:502. ...
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Communication with Arburg Selogica Injection Molding Controller
Posted by RizwanQ on 24 September, 2019 - 4:29 am
Communication via rs232 v24 having S5 3964R protocol with Arburg Selogica injection molding controller V3.09
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Process Surge Control Decoupling Block
Posted by vivek_5530 on 22 September, 2019 - 10:17 am
Can anyone briefly explain about process surge decoupling Block in Compressor Surge control?
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By kotopuz on 23 September, 2019 - 4:54 am
Regardless of control system you have decoupling for surge control should always have the same...
4
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Hex to Decimal Conversion
Posted by Mark1261 on 19 September, 2019 - 5:43 pm
How to convert hex to decimal for Modbus
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By Mark1261 on 20 September, 2019 - 9:27 am
Thank you very much for your reply. I will try all of the above suggestions this weekend. ...
By Mark1261 on 20 September, 2019 - 9:24 am
WOW!! Thank you so much for taking the time to provide such an in depth response, I truly...
By David_2 on 20 September, 2019 - 3:20 am
Welcome to the wild west world of Modbus. Since Modbus is an open protocol (you can download the...
By koen_verschueren on 20 September, 2019 - 1:56 am
In my opinion there are 2 possible reasons. 1) Try command 3 (33624). Some slaves allow only...
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How to use the 5303-MBP-MNET?
Posted by dtammi on 20 September, 2019 - 7:43 am
Talking to Modbus/Plus PLCs from a computer using Modbus/TCP/IP
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By David Ferguson on 20 September, 2019 - 8:23 am
I've used a few of Prosofts gateways and haven't had issues. My 10 second Google search of that...
Replacement Multimode Fiber Switch 10 base FL
Posted by uzangiworld on 20 September, 2019 - 8:21 am
Looking for any 10 base FL Multimode switch working on a masterbus 300 network
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Issue with Modbus Communication
Posted by VilasDesai on 17 September, 2019 - 2:44 am
Issue wth PLC as Modbus Master and 6 HMIs as slaves on Rs485
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By Carl_E on 17 September, 2019 - 10:52 am
I'm not sure what the "destination call" consists of, but for automation it needs to be...
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Modbus Command Memory
Posted by salwa17 on 12 September, 2019 - 5:45 pm
What is the command memory and command memory count please?
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By koen_verschueren on 13 September, 2019 - 1:40 am
Check following manuals. Modbus TCP is a Modbus RTU telegram (without CRC) in an Ethernet...
Converting Siemens APACS PID Tuning to Rockwell Control Logix
Posted by Albertan on 12 September, 2019 - 11:17 pm
Need to convert Siemens APACS tuning parameters to Control Logix PID tuning parameters.
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PLC IDE with Code Compare Functions
Posted by multivits on 10 September, 2019 - 9:51 pm
Are there PLC IDEs which have a function which allows 2 PLC programs to be compared to each other?
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By David Ferguson on 11 September, 2019 - 8:21 am
Not sure what the acronym IDE™sis.....but in the case of Rockwell there is a compare utility that...
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DOX5 and DOX10 for SattCon
Posted by Anonymous on 22 April, 2007 - 8:45 pm
DOX5 and DOX10 for SattCon
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By Apatch66 on 6 September, 2019 - 11:30 am
Hi, SBUP05 is a backup unit. You should connect it to bottom of last SD32 or SDA unit. ...
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VP Link Help
Posted by camcelmur on 18 November, 2010 - 5:45 pm
Help simulating inputs in Foxboro I/A with VPLink
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By Nitin on 5 September, 2019 - 9:25 pm
Please mail to support@capesoftware.com. It might be the some tags are not configured right. ...
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Steam turbine Tripped on Overexcitaion Protection V/f >1
Posted by ansmehmood on 5 September, 2019 - 11:14 am
Our generator tripped on over excitation due to high grid requirements. But the over excitation limiter did not control it.
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By ControlsGuy25 on 5 September, 2019 - 3:13 pm
Hello Sir, Regarding the questions you are asking some questions coming through my mind: In...
Wonderware Intouch Edge
Posted by Tripod70 on 5 September, 2019 - 11:05 am
Looking for some feedback on Intouch Edge before purchasing
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Using Modbus to Send Data Across to Two PLCs Belonging to Two Different Networks
Posted by Naveen on 2 September, 2019 - 11:23 am
Need to establish serial commmunication with two PLCs of different networks.
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By David_2 on 3 September, 2019 - 11:33 pm
>two different IP networks. Presumably, you mention RS-485 because the PLCs each talk Modbus...
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PC to PLC Communications
Posted by paul28 on 29 August, 2019 - 5:00 pm
Getting the PC and PLC talking after replacing old battery
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By oneye14 on 3 September, 2019 - 7:43 am
Not familiar with the num 1060 PLC, but it appears the manual is available on the 'net. The...
Are there headerless exception messages?
Posted by edavid on 30 August, 2019 - 5:38 am
Should a Modbus TCP client expect exception messages that consist of only the PDU and have no MBAP header?
Allen Bradley 9/series - ODS Software
Posted by BasNexusAB on 30 August, 2019 - 4:51 am
In need of ODS (Offline development System) software - Allen Bradley !!
Simocode Data Collector Module
Posted by HoneyMae on 30 August, 2019 - 2:46 am
Simocode Data Collector Module to gather 50 pcs of Simocode Controller.
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Modbus RTU Send Message
Posted by daemonlies on 29 August, 2019 - 5:49 am
Trying to work out what response i should get from a Modbus RTU by sending a hex message
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By David_2 on 29 August, 2019 - 6:51 pm
I made a mistake above because I learned to start counting with the number 1, not with the number...
By David_2 on 29 August, 2019 - 10:20 am
In your query: * the first byte is the slave node ID, 0f hex or 15 decimal * the 2nd byte is...
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ABB AC450 and PROFIBUS-DP comm.
Posted by JGP on 30 August, 2006 - 11:54 pm
Problems connecting ABB AC450 to an ACS600 or ACS800 drive.
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By Eric on 29 August, 2019 - 12:00 am
Hello everyone, >In the PBS Description at User Parameter Data put: > >UPRMDLEN=24 ...
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GG IDEL FAULT _ H
Posted by smailrth on 22 August, 2019 - 10:01 am
After general overhaul, when turbine restarts it displays a GG IDEL FAULT _ H fault
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By Alex_engineer on 28 August, 2019 - 7:42 am
Good morning I have checked another program of pgt10 (same gas turbine) for another pump...
By Alex_engineer on 26 August, 2019 - 12:08 pm
Hi again, Using the TOOLBOX To troubleshoot the alarm didn't help us too much, because most of...
By CSA on 24 August, 2019 - 11:34 pm
Alex_engineer, Thank you for the information and the details. Yes; it would seem something is...
By Alex_engineer on 24 August, 2019 - 11:53 am
Hello sir, I am the colleague of Mr.smailrth. I am going to give you some details, so it may...
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Power Supply for Intrinsic Safety System
Posted by Ashley Dawson on 25 October, 2004 - 10:50 pm
Can you use a switch mode power supply to supply an intrinsic safety barrier?
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By Cyril Baby on 27 August, 2019 - 8:55 am
What if the primary of the transformer is an intrinsic safe circuit? My understanding is the fuse...
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CS3000 Function Blocks
Posted by dcseng1982 on 6 June, 2019 - 5:22 am
Yokogawa cs3000 list of online download function block
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By Abu Ashfaq on 26 August, 2019 - 7:13 am
>please give me all list of Function block in cs3000 online >downloadable. ...
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PID Parameters
Posted by jack1986 on 22 August, 2019 - 10:56 pm
Need help setting PID parameters for a water cooling loop
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By David_2 on 25 August, 2019 - 9:41 am
I'm surprised that no A-B/Rockwell guys have jumped in yet. I know Rockwell has a...
By d on 25 August, 2019 - 6:10 am
Depends on what do you mean by simple! Temp control with long transport delays can be simple or...
18
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False Spikes in Seismic Vibrations
Posted by Engrahmed on 15 August, 2019 - 1:38 pm
False spikes in seismic vibration cause tripping of fan due to the working in another transmitter
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By Engrahmed on 24 August, 2019 - 5:49 am
>The drawing could be interpreted as using 2 conductor >twisted pair cable with a shield...