from the Automation department...GE 90-30 series COMM_REQ slowing down data usage
Slow down communication between GE 90-30PLC which are using COMM_REQ SRTP channel commands. and these are communicating over ethernet through cellular modems. the data plan on the cellular modem has a limit of 5GB only.
from the serious department...Mark VI - VCMI Board Replacement
Mark VI not working with a VCMI board replacement!!
By Lionel on 19 May, 2013 - 12:37 pm -
Salem have acknowledged problems with IS215VCMIH#B and H#C. The issue is with socketed IONET...
from the Forum department...Communications between Quantum PLCs
Quantum PLC Communications
By Brendonh on 19 May, 2013 - 7:43 am -
With 2 quantums you map index will be 0. its like an offset setting. your slot ID will be 254 if...
from the Forum department...Why 250mA fuse for 4-20mA analog input?
Why 250mA fuse for 4-20mA analog input?
25V / 250 ohms = 100 mA, so a 250 mA fuse is not going to do this job - 50 mA might....
I suspect that a fuse installed in a 4-20mA loop is an attempt to protect an analog input on a 2...
No I am sure it is 250mA fuse for each 4-20mA input and not the 250ohm resistor....
I am sure it is 250mA for each 4-20mA input. ...
Hi, Could it be 250ohm resistance? If it is, the purpose would be to convert to 1-5VDC from...
By Cris on 13 May, 2013 - 10:23 pm -
Are you sure about 250mA fuse is in line with 4 ~ 20mA signal or you have a module which has no of...
Interesting topic, we too eager to know. Take care G.Rajesh...
Thanks Bob & Bruce for your answers. Bruce, its clear from your and Bob answers that the...
Many 4-20 mA transmitters will pull 25 mA in the event of an internal fault, or if a seriously...
By Bob Peterson on 9 May, 2013 - 5:58 pm -
NEC fusing is not really applicable to this kind of thing as these are neither feeder or branch...
from the Instrumentation department...gefanuc 9030 modules
IC693MDL module not giving output after programming.
By Russ B on 17 May, 2013 - 4:17 pm -
Output modules are typically powered with an 'outside' source independent of the PLC. If the output...
from the DCS Interface department...Ovation Serial Interface to Control Logix
Serial interface between Allen Bradley's Control Logix and Emerson Ovation DCS
By Pons Tanawan on 17 May, 2013 - 1:46 am -
Ann, how about the Nexus1250 its provided with RS485 communication port that could support A...
from the I&C department...GE Fanuc PLC Alarm
Action handler Fault from GE Fanuc PLC
By Russ B on 15 May, 2013 - 1:07 pm -
> this all the informations i have about this alarm, and i don't find any thing > in manuals...
my friend, this all the informations i have about this alarm, and i don't find any thing in...
By Russ B on 6 May, 2013 - 9:20 am -
One will need MUCH MORE information to help you with this. You may be better and quicker served...
from the Help department...Wonderware DASABCIP
Unable to connect Wonderware Intouch View to A-B CompactLogix 1769-L32E
from the Automation and control department...AI module burns while thundering
Only one Analog input module (Model no-6ES7 331-7KF02-0AB0, Siemens) is frequently burning during thundering.
By EPD on 15 May, 2013 - 3:51 am -
Thank you very much for your answer. Now replying answer of the question. 1. Yes, there are 04...
By sms on 15 May, 2013 - 1:32 am -
Hi experts, I like to join with you in this nice discussion. The guy (who posted this thread)...
By Curt Wuollet on 14 May, 2013 - 9:58 pm -
I'd check just where those circuits go and the grounding of the items they are attached to. ...
By David Wilson on 14 May, 2013 - 2:34 pm -
> Analog input module (Model no-6ES7 331-7KF02-0AB0, Siemens) is frequently > burning during...
from the automation department...S7 300 Issues - Changing values in Data Base
problems with DB blocks in simenes s300 processor
Hi, Please refer to link below that explain about the Global DB and Instance DB. I would...
from the Project department...Modbus communication between VIPA 300s & Fatek PLC
VIPA PLC MODBUS RTU MASTER/SLAVE COMMUNICATION.
from the MVI46-MCM department...drive control, Modbus RTU using MVI46-MCM & SLC 5/04
I have 3 different VFD brands I would like to control using Modbus RTU. I have a Prosoft MVI46-MCM card in a SLC 5/04 rack.
By Steve Myres on 13 May, 2013 - 12:57 am -
My apologies -- that sample WAS for a 3150 (which at least at that time you had to configure as a...
By Jim on 12 May, 2013 - 7:09 pm -
Thanks for all the replies. I already have the Prosoft card, so no need to pay for firmware...
By Dayvie on 10 May, 2013 - 8:55 pm -
SLC 5/03 5/04 and 5/05's all speak Modbus natively There is no need to purchase a $ 1,500...
from the Engineering department...Modbus remote I/O for Cl. 1 Div 1?
Modbus I/O for hazardous locations
from the Forum department...Break Alarm Wincc
Break Alarm in Siemens HMI (Wincc)
from the Forum department...Basic (I think) signal conversion question
Convert rs422 to 4-20mA?
By Bill Sturm on 12 May, 2013 - 9:05 am -
> I can only get the magnet strips with rs422 output (I gather this is essentially...
from the Forum department...How to link a slc 5/03
Need to link Slc 5/03 to a pc using an rj45
By Ikhtiander on 9 May, 2013 - 1:32 am -
Hi ME, Following are steps that you need to follow: - You have to use these...
By Joe E. on 8 May, 2013 - 10:10 pm -
First off, do not connect the RJ45 to an Ethernet adapter. It will *probably* break something. To...
By Bob Peterson on 8 May, 2013 - 6:40 pm -
The RJ45 connector on a SLC5/03 is a DH485 port. you need some kind of DH485 adapter. There are...
from the can a dream become true? department...Advice on how to reach Oil & Gas industry
I'm trying to find a way to go to work on an Oil plant.
Hey, if you want to get started in the oil & Gas industry go to GEcareers.com and they have...
from the Forum department...Modbus Register read
Howto read Modbus registers to a HMI
By Andrzej on 8 May, 2013 - 1:14 am -
Hello, Try use Modbus Scanner from www.modbus.pl. You can set different com settings,...
Ok, 1. I did try this 2. I will experiment further with the function codes and the leading 4....
By Brian on 7 May, 2013 - 11:23 am -
Company called MONICO makes a Cummins "data communications gateway" Check their website....
My recommendation is to use a generic Modbus master, like Win-Tech's Modscan32 in order to be able...
from the Forum department...field simulation for PLC's
Is there a way to write an value in the 1xxxx and 3xxxx addresses in Modicon quantum PLCs?
In response to my previous post. I know Inputs cannot be written. But I've heard these input...
from the puzzled new user department...ROCLINK800 Floboss 107 MODBUS Slave configuration
I am trying to configure the Floboss 107 as a MODBUS Slave with specified register I/O parameters as specific MODBUS addresses.
By Salomon on 4 May, 2013 - 3:40 pm -
Hi my friend, i got just the same problem but i use a MVI56E-MCM Card for Controllogix PLCīs...
from the PLC department...Real Time Monitoring Allen Bradley SLC 5/03 processor
Real Time Monitoring Allen Bradley SLC 5/03 processor
By Bob Peterson on 4 May, 2013 - 1:13 pm -
It seems likely that your understanding level of how this stuff works is low enough that I am not...
As long as war is regarded as wicked, it will always have its
fascination. When it is looked upon as vulgar, it will cease to be
-- Oscar Wilde