1
reply
MarkVIe Deadbus Breaker Closure Simulation
How to simulate the DEAD BUS BREAKER closure while the GT is off but the BUS is LIVE.
What is meant by protective and control speed?
3
replies
Confusion over SRV Checkout on Frame 6B with a Flenco DLN1 Gas Module
Frame 6B (as only) combustion turbine DLN1 module has a fisher V300 ball valve as an SRV. Confused on discrepancies between original control document and original commissioning book.
4
replies
Serial Communication with Gardner Denver ES+ Controller
Having trouble trying to communicate to Gardner Denver ES+ Controller via RS232 serial connection. Trying to send ASCII requests to controller but I don't get anything back.
New Replies:
2
replies
Modbus Communication with Danfoss VLT FC360
Cannot fetch data on serial communication using Modbus with Danfoss VLT FC360.
New Replies:
By junk on
25 March, 2019 - 9:26 amaddresses are a bit weird. all addresses are *10, so you can only read one at a time. ex. 16-13...
VAR Control on Siemens SGT5-4000F
Help needed with VAR control as part of reactive capability curve verification
Controlling Two Micromaster 440 Drives
Looking for a method to control two AC drives which must work together driving a semi coupled load.
HART communication between field transmitter and MTL5544D
1
reply
Fluid Batching Application
Water batching process control solution which will have a batch counter (E+H RA33), Control Valve, and E+H Flowmeter (Picomag)
New Replies:
By d on
23 March, 2019 - 6:27 amThere are thousands of valves out there in the market. It all depends on your piping and various...
1
reply
Wheelspace Thermocouple Exact Location
Want to gain a clear understanding of wheelspace thermocouples
Frame-3 GE GT EOP Motor Characteristic Curves
Looking for Frame-3 GE make GT EOP motor characteristics, efficiency load curves, etc.
Difference between FF, HART, 4-20ma communication. Does a FF transmitter require 4-20ma signal?
New Replies:
By john on
21 March, 2019 - 8:43 pm1. 4-20mA is an analog signal that is converted to a digital value at the host PLC, DCS, or other...
Need modbus help. Issues with read functions sending to master.
Learning Supcon and Other DCSs
Posted by santosh sarma on
21 March, 2019 - 1:46 pmPortability of things learned from using Supcon to other DCS
4
replies
Should I use a Regenerative Drive?
Load is driving motor so motor is actually working as generator. Is there any advantage of installing Regenerative drive?
New Replies:
By d on
19 March, 2019 - 3:38 pmit is reducing power feed to the plant, so you are currently benefiting with no extra expense....
1
reply
Flue-gas Desulfurization (FGD) Logic Insterlocks Design
Are there any regulations (EU or others) that define the limitation and regulation of the startup of a Boiler if its FGD is out of service?
New Replies:
By d on
21 March, 2019 - 12:06 pmRather doubt it, and certainly not in the plants I worked on. Boiler safety governs and likely...
7
replies
Selecting a PC for SCADA Systems
Selecting a PC for installing SCADA.
New Replies:
By Bob on
21 March, 2019 - 11:42 amAs others have mentioned, adding details of the system may be crucial for an accurate response. I...
By MFT on
19 March, 2019 - 1:37 amHello, Slowdown of computers after some time is common but lockup of the computer points at a...
By James Ingraham on
18 March, 2019 - 5:25 pmWhat SCADA software and version? What operating system? I happen to be aware of a bug in an old...
7
replies
Combined Cycle Power Plant Start Up
Controlling Vertical Type HRSG's HP drum metal temperature during start up with GE Frame-9E Dual Fuel standard combustion Gas Turbine.
2
replies
Working with Honeywell TDC EB Files
Converting Honeywell TDC EB files to Excel
What is CEMS used for and how does it operate in Power Generation gas turbines (GE Frame 9e)?
New Replies:
Activate Tables Menu in Instrument index of INtools
Activating the tables menu in SmartPlant Instrumentation
Is there a device which acts as a HART slave and Modbus Master?
New Replies:
By John Hamilton on
19 March, 2019 - 4:44 pmI have a situation where we make a Natural Gas Analyzer which has Modbus (RS232, RS485, TCPIP), our...
1
reply
VFD on 300 KW , 440 Volts Compressor
Replacing Reduced voltage starter to VFD on 300KW Motor drive compressor
New Replies:
By d on
19 March, 2019 - 3:43 pmThat is only a 300 HP motor. To change the drive, you have to carryout a mechanical and process...
2
replies
Rosemount Diff. Pressure transmitter problem
reading of the transmitter problem
5
replies
PG6111FA M-VIe control IGV hunting in Preselect Load
IGV hunting during only on preselect load operation.
SFC CPU Card Replacement Fault
Converteam SFC installed at our site and now have problems after replacing a problem CPU card.
6
replies
Polling Slaves from 2 Masters
Posted by Sean Campbell on
18 March, 2019 - 8:20 amCan devices configured as Modbus Slaves send data to 2 separate Masters?
New Replies:
By Fred Loveless on
18 March, 2019 - 10:59 amNo it is not possible to have 2 Modbus Masters talking to the same serial slave device. The Slave...
4
replies
A New Modbus-TCP Server Simulator
Posted by Talat Dogan on
15 March, 2019 - 9:47 amNew Modbus-TCP Server Simulator freeware is ready for download.
New Replies:
By Talat on
19 March, 2019 - 2:02 amThank you very much for your comment and suggestions. I appreciate you taking the time to comment....
Looking for advice on the purchase of a training kit to learn PLC programming at home
New Replies:
By James Ingraham on
18 March, 2019 - 5:23 pmI believe the MicroLogix 1100 line is effectively dead. Everything has moved to the Micro800...
modbus RTU to bluetooth converter
6
replies
Mark 5 Processor Showing Faults
Mark 5 processor showing faults and alarms after restart
on 25 March, 2019 - 2:39 pm
on 24 March, 2019 - 5:44 pm
on 22 March, 2019 - 12:13 pm
on 19 March, 2019 - 4:33 pm