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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?
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-- John Heywood
-- John Heywood
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Posts from...
Tuesday, November 27, 2007
from the Automation List department...
Re: PLC + SCADA vs. WinPLC system
We are in the middle of design for one of the most complex fish hatcheries ever to be built in North America. Our engineering consultant is recommending standard PLC and SCADA alarm and control system but one of our staff is really pushing a WinPLC based system...
from the Automation List department...
Working with Siemens SPPA T2000
Need advice about generation and load...
from the Requesting detailed information department...
Re: Retrofitting a Mark 2 system with Siemens DCS
We are retro-fitting the existing Mark 2 DCS of a GE Frame 5 turbine with a Siemens T3000 DCS...
from the Automation List department...
Re: Logic printout Modsoft ver 2.6.2How do you print the logic written in Modsoft ver2.6.2 on a computer running Windows XP?
from the Automation List department...
Re: Data interpretation
This problem is about the interpretation stored by a Modbus slave client. It is about the byte order the data is stored.
from the Development department...
Re: PC to PLC Communications - best method? Using C/C++.
I was referred over here from www.MrPLC.com. We are developing a PC application in C/C++ and need to communicate to one or more Omron PLCs (CJ1M CPU12).
from the Automation List department...
Re: Logic printout Modsoft ver 2.6.2How do you print the logic written in Modsoft ver2.6.2 on a computer running Windows XP?
from the Automation List department...
Re: Logic printout Modsoft ver 2.6.2How do you print the logic written in Modsoft ver2.6.2 on a computer running Windows XP?
from the Automation List department...
Re: Data interpretationThis problem is about the interpretation stored by a Modbus slave client. It is about the byte order the data is stored.
from the Automation List department...
Re: Retrofitting a Mark 2 system with Siemens DCSWe are retro-fitting the existing Mark 2 DCS of a GE Frame 5 turbine with a Siemens T3000 DCS...
from the Automation List department...
Re: PID for greenhouse
I appreciate any guidance from people exposed to greenhouse control, and PC coding for PIDs
from the Automation List department...
Butterfly valve in PID loop
Handling non-linearity of butterfly valve in a PID loop
from the electrical department...
Generator issues1. Considering two axis model for generator, should there be any value for load angle and imaginary part of voltage during start up/no load?
2. Should speed changes effect voltage?
2. Should speed changes effect voltage?
from the Automation List department...
Re: PC to PLC Communications - best method? Using C/C++.I was referred over here from www.MrPLC.com. We are developing a PC application in C/C++ and need to communicate to one or more Omron PLCs (CJ1M CPU12).
from the Automation List department...
Re: 3 Phase to SingleCan I change out a 220 3-phase electric motor
for a 220 S-Phase motor?
for a 220 S-Phase motor?
from the Development department...
Re: PC to PLC Communications - best method? Using C/C++.I was referred over here from www.MrPLC.com. We are developing a PC application in C/C++ and need to communicate to one or more Omron PLCs (CJ1M CPU12).
from the Automation List department...
Re: Earth Fault DetectionPlease confirm if each channel of an analog or digital input/output module for a PLC is provided with earth fault detection...
from the Electrical Engineering department...
Re: High neutral to ground voltageI have been encountering high neutral to earth voltage in the UPS output. Would like to understand the cause and remedy?
from the Automation List department...
GE DS 200 TCEA Overspeed CardGE DS 200 TCEA Overspeed Card replacement
from the Automation List department...
Re: transformer parallel operationIs it mandatory to have same X/R ratio of the transformers meant for parallel operation apart from same %impedance, voltage ratio and vector group?
from the Development department...
Re: PC to PLC Communications - best method? Using C/C++.I was referred over here from www.MrPLC.com. We are developing a PC application in C/C++ and need to communicate to one or more Omron PLCs (CJ1M CPU12).
from the Electrical Engineering department...
Re: High neutral to ground voltageI have been encountering high neutral to earth voltage in the UPS output. Would like to understand the cause and remedy?
from the Automation List department...
Re: Siemens OP27 with PG MCommunication between OP27 and Siemens PG M
from the Automation List department...
Re: Magelis XBT N401 to 170 CCC 980 30Magelis Error Message
#203 Dialogue Table Reading Impossible.
Is this a communication error?
This is my first Magelis XBT N401 project.
#203 Dialogue Table Reading Impossible.
Is this a communication error?
This is my first Magelis XBT N401 project.
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