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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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-- B. Franklin
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Posts from...
Thursday, December 6, 2007from the Automation List department...
Re: Power Supply to the Transmitter in the Field
In the loop powered IS transmitters in the field , 24 VDC comes from DCS I/O card or the barrier?
from the Automation List department...
Well surveillance
What is the best communication system for oil well surveillance?
from the Automation List department...
Bailey ControlsLink to old Bailey pneumatic controls for the boiler feedwater steam driven pumps.
from the Automation List department...
Boiler Feedwater Pump ControlsFeedwater Master Controller and individual pump controller interaction.
from the Automation List department...
Re: Power Supply to the Transmitter in the FieldIn the loop powered IS transmitters in the field , 24 VDC comes from DCS I/O card or the barrier?
from the Automation List department...
Re: WEG devices and MODBUS/RTU
I have Frequency Inverters and Soft-Starters from WEG. They are MODBUS/RTU capable, and I started to link them to the computer through RS485 network.
from the Automation List department...
Modbus optical isolators used with Modbus Plus
I am trying to determine if commercially available RS485 optical isolators that say they can be used for Modbus can necessarily be used on Modbus Plus
from the Automation List department...
Re: Mk 6 Speedtromic Power Supply
What to do with an old power supply?
from the Scada department...
Fix32 v6.1 Extended Trend Block
Adding the Extended Trend Block to an already installed system
from the Automation List department...
Re: AC Servo motor controls
Question about AC servo motor drives
from the Automation List department...
Re: The best choice for Control SystemFinding a solution for expensive D-I/O for Foundation Fieldbus
from the Automation List department...
Re: history of multimetersCan anyone point to available references?
from the browsing tags by address, not by symbols department...
Softnet OPC helpHow to R/W tags using Softnet OPC when you don't have PLC sw source?
from the Automation List department...
Re: history of multimetersCan anyone point to available references?
from the Easy answers department...
Creating a Pausable TON timer
What is the simplest algorithm for a TON timer that can be paused?
from the Automation List department...
Re: Seeking low cost SCADA Trend softwareto monitor machineries down time (Running and stopped time)
from the Operations department...
Re: GT Frame 9FA Compressor WashingFailure to perform GE frame 9FA Compressor Blade Wash-Mark VI Speedtronic
from the Instrumentation & Control department...
Fieldbus control loop limitationThe Fieldbus real limitation is within the scan time?
from the Automation List department...
Re: Power Supply to the Transmitter in the FieldIn the loop powered IS transmitters in the field , 24 VDC comes from DCS I/O card or the barrier?
from the Automation List department...
PM9C Voltage ScalingHow to convert raw values to engineering units
from the Automation List department...
Re: PLC + SCADA vs. WinPLC systemWe 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...
Re: Boiler Feedwater Pump Control in Steam-powered Pumping StationControl for a boiler feedwater system which is to continously supply feedwater at 240 psig to a steam turbine plant.
from the Electrical department...
Re: turbine-gen related issueIn a two gen system, two gen which were sharing equal load,one gen is disconnected and then after frequency for both reached 50hz ,gen is resynchronised in the network. so should they share same load as earlier or not?
from the Instrument department...
Pressure drop when valve is openInternal pressure drop for full opening valve
from the Automation List department...
Re: Power Supply to the Transmitter in the FieldIn the loop powered IS transmitters in the field , 24 VDC comes from DCS I/O card or the barrier?
from the elect department...
Re: three phase system
I want to use potential earth of a three phase system as a zero wire.
from the Automation List department...
How to configure DCS tags in OPC serverHow to configure TDC3000 tags in OPC server?
from the Automation List department...
Re: Power Supply to the Transmitter in the FieldIn the loop powered IS transmitters in the field , 24 VDC comes from DCS I/O card or the barrier?
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