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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
Madam, there's no such thing as a tough child -- if you parboil them
first for seven hours, they always come out tender.
-- W. C. Fields
first for seven hours, they always come out tender.
-- W. C. Fields
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determining the size of the DC circuit breaker between the charge controller and the batteries
New Replies:
By curt wuollet on 22 October, 2009 - 12:29 pm -
Without any regulations or other requirements. I'd probably wire for 75 Amps and use a 75 Amp...
The charge controller rating is 60Amp charging a 48VDC system batteries. What will be the rating of...
By curt wuollet on 21 October, 2009 - 8:13 pm -
The charge controller rating would be a good place to start.
Regards,
cww
...
Position feedback for a large cylinder using a small slave cylinder.
New Replies:
By Eric on 22 October, 2009 - 10:14 am -
Check out a company by the name of Pollak (located in Canton, MA) they are a division of...
choosing a right 3 phase induction motor?
A computer virus caused serious problems recently for an Australian electric utility.
New Replies:
By M Griffin on 21 October, 2009 - 4:36 pm -
In reply to Yeasir Rahul: That would work, and it would have prevented the virus problem the...
How about this design?
All terminals and servers on the SCADA network runs Linux, with operator...
By curt wuollet on 17 October, 2009 - 1:18 am -
Yes, but in any case, all they could trash was the "office" side with good coding. In...
By curt wuollet on 17 October, 2009 - 1:13 am -
Yes, the complete package idea is an extremely powerful idea. Imagine how much you could cut your...
By M Griffin on 16 October, 2009 - 5:06 pm -
In reply to curt wuollet: Most of the rationals for connecting business and control networks seems...
By curt wuollet on 16 October, 2009 - 12:30 am -
I just posted much the same thought. But the connection doesn't have to be serial. Anything unique...
By curt wuollet on 16 October, 2009 - 12:08 am -
One of the better solutions for this connection from an automation network to a business network...
By curt wuollet on 13 October, 2009 - 5:48 pm -
Yes, nothing to see here, move along! For every one of these that goes public there are at least 10...
By curt wuollet on 13 October, 2009 - 3:37 pm -
Probably a very wise decision.
Regards,
cww...
Could it be this?
"A virus outbreak is wreaking havoc with Integral Energy's computer...
By Old, Bob on 13 October, 2009 - 9:02 am -
I'm not sure this is any more solid but check out the first two threads:
...
Could someone explain whether variable speed with a single-shaft gas turbine is permitted while the generator is producing power?
New Replies:
The only difference between a motor and a generator is whether the device is producing torque from...
CSA,
when you said: "If the fuel is less than required to keep the turbine/generator shaft...
F = (P * N) / 120
F = Frequency
P = Number of poles of generator
N = RPM of generator...
SER software
New Replies:
By Schneider Italy on 20 October, 2009 - 4:45 pm -
> I would like to use the Modicon ERT854 for 1ms time stamping. Can anybody suggest a PC based...
Looking for file extension for PLC-3 files
New Replies:
By Jeremy Pollard on 20 October, 2009 - 9:30 am -
Thx Bill the one thing I do know is that the files are for a PLC3 :)
wasn't APS just for SLC...
By William Sturm on 19 October, 2009 - 7:41 pm -
I vaguely remember APS putting those $ signs on the end of the backup files. The .AC$ extension...
problem during uploading/downloding of my program with quickpanel jr
New Replies:
I had similar problems with several different Quickpanel Jr.s and cables and a couple of different...
controlling a 220v motor from siemens s5 100 u plc
Need help with PID programming for a SLC/505 PLC?
I have to program a PID to control heating/cooling and would like to get a sample PLC code.
I have to program a PID to control heating/cooling and would like to get a sample PLC code.
Water/Gas Meter with Modbus/LonTalk/BACnet Compatibility
New Replies:
Hello Steve,
For your application, I recommend using a Sensus (or Sensus-compatible) water meter...
how a flow meter communicate
New Replies:
For your application, I recommend using a Sensus water meter and a Sensus gas meter, both of which...
By Steve on 17 October, 2009 - 7:46 pm -
Hi,
I am looking for a water meter and a gas meter that can output Modbus, LonTalk, or BACnet. Do...
Doc to configure the jumper of the hmi arcnet isa card
Is there a way to call or set variables in the PID_ISA block from cimplicity like the Integral or Proportion ?
Can MicroLogic PLC read Modbus Holding Registers in the 5xxxx range?
New Replies:
By M Griffin on 17 October, 2009 - 1:43 pm -
Thanks to Mark for the correction. It appears that old versions of the Modbus spec did make some...
By Mark on 17 October, 2009 - 2:25 am -
Hello,
What Mr. Griffin said is 99.99999% accurate.
The current specification: MODBUS...
By M Griffin on 16 October, 2009 - 2:17 pm -
To make something clear about Modbus, this 0x, 1x, 3x, 4x, 4 digit, 5 digit stuff has *nothing* to...
The typical Modbus Address Scheme is :
0x = Digital Outputs (Bit)(Read / Write)
1x = Digital...
By Harvard on 15 October, 2009 - 11:31 am -
Try reading Register = 50102-40001 = 10101 = 0x2775...
By Patrick Lansdorf on 15 October, 2009 - 3:02 am -
Hi,
I cannot answer if a MicroLogic PLC can read 5xxxx registers. But if it cannot, I would...
none
Push Button Faceplate implementation in Centum CS3000
Unrecoverable major fault : code 60 in control logix L61 Processor
Help with Area Classification
New Replies:
By Bruce Durdle on 13 October, 2009 - 2:29 pm -
Class I Div 2 is not a IEC classification - the IEC equivalent is Zone 2.
If you are working to...
Class 1 div 2 need IIC junction box acc. to IEC standard.
It's easy to fabricate Exd IIC T6...
Need help with c script in wincc 5.1
New Replies:
Try this one.
int a;
a=GetTagBit("tag1");
if (a==1)
{
...
Can anybody told me how to tune Baldor Linear motor .
We need to understand how works AND voting for 2 channels in a relay module of 3500 system.
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