Is software of Mark VIe the same as Mark VI?
MODBUS RTU for Boiler Control Module
MODBUS device from Master to two (2) slaves
By Steve Myres on 19 April, 2015 - 2:58 pm
I'd suggest replacing the local display with a PC-based HMI designed to replicate its screens and...
Flow Transmitter Values for Gas Turbine
Range of flow meter for gas turbine correct for 5 out of 6 turbines. Other has USL value at 1/5 correct value.
SIL Verification with Generic Data
I did SIL verification with Generic Data (SILsolver/Exida/PDS) without actual failure rate, Can I say that this loop is satisfied?
PLC's with free programming software?
Looking for PLC's that can be programmed in Ladder, FBD and Structured text, preferably with free, or low cost programming software.
By Ben on 19 April, 2015 - 5:52 am
unitronics plc are good and reasonably prices, free software. updates free to download on the...
Communication using OPC Protocol with Siemens S7 PLC
WRONG OPCCOMN_PS.DLL VERSION IS REGISTERED. Someone can help me?
MOSCAD 400 as MODBUS Master
I need sample tables for configuring MOSCAD PLC to poll Inputs, Outputs & Registers from Siemens S7-200.
Trip Log Display on Speedtronic Mark 5
We have a problem with the trip log display on our Gas Turbine, equipped with Speedtronic Mark 5 system (RST) and HMI cimplicity 3.22
By DAMENE Amar on 19 April, 2015 - 4:44 am
Dear CuriousOne, I inform you that these files HIST_B.SRC and HIST_Q.SRC in UNIT1 are only...
By DAMENE on 17 April, 2015 - 6:32 pm
Dear Rabhi, Dear CSA Is there a cards to replace on the Speedtronic Mark 5? to resolve this...
By rabhi on 17 April, 2015 - 2:21 am
Hi Damene, Can you provide your e-mail id, i may be able to share some documents with you. ...
Droop Control on Steam Turbine
Questions regarding droop control on a extraction/exhaust pressure steam turbine.
Leading Generator Power Triangle
For a leading generator (absorbing vars), how is its MVA represented using rectangular coordinates?
Slave ID Importance in MODBUS TCP/IP
How much significant is Slave/Device ID in MODBUS TCP/IP protocol? Don't they use IP address instead of Device ID?
By Mr.Desvig on 18 April, 2015 - 5:58 pm
Don't think so. Everything I have read about Modbus TCP is that the UID is not used. A few days ago...
How to choose Historical software
How to choose Historical software, link via OPC from control. field compare PI and Exaquantum
By Christian Petsch on 18 April, 2015 - 4:44 pm
Hi Brad, my name is Christian Petsch working for KBR USA currently in project investigating...
Starting a Synchronous Motor
Please help me fully understand exactly how a large synchronous motor is started?
Communicating between CAT EMCP II and GE Fanuc
Communication Setup Between CAT Engine's EMCP II to GE Fanuc LM 90 70
By CuriousOne on 17 April, 2015 - 9:41 pm
I believe MODBUS via serial cable will do the communication between the two systems....
Is IoT an Inherently Dangerous Movement?
The recent IoT (internet of things) meme seeks to connect everything, potentially, with everything else. That is a dangerous idea. It trades safety for convenience and enables attacks.
By Curt Wuollet on 18 April, 2015 - 12:33 am
Yes, it is, and will remain so for the forseeable future. To do it safely would largely remove the...
Low Air Flow Confirmation
Looking for sensor to confirm low air flows
By Roy Matson on 17 April, 2015 - 6:37 pm
Paul, I edited your post to get at the salient points You indicated the pressure switches may...
By Curt Wuollet on 16 April, 2015 - 12:03 am
The right angle tubes would actually give you some indication of flow in addition to static...
By Roy Matson on 15 April, 2015 - 8:10 pm
> I'm starting to feel like as long as I pipe the "lo port" to > the duct at my...
Combining Wires in Conduit
What guidelines or resource do you use to decide what cables are OK to combine in a conduit or cable tray?
By Roy Matson on 17 April, 2015 - 5:26 pm
I think NEC section 16 is pretty clear, 16-212 in particular. I can't find it at the moment, but...
By Fel Flores on 17 April, 2015 - 1:57 am
can you tell me the particular part of the code that states you can combine a low voltage and...
Turbomach Taurus 60 Gas turbine Speed Deviation Fault
Gas turbine speed deviation fault
Gas Turbine control - Hardware Part Trip of L4
When Hardware causes the trip of L4
Transformer Differential Relay Protection during Open-Phase
Transformer Differential Relay Protection during Open-Phase. Possibility of the relay to trip during line to ground fault or open conductor outside the zone of the differential scheme?
Gas Turbine Efficiency/Power Output vs Relative Humidity and Specific Humidity
Posted by sriramsandeep on 1 April, 2015 - 1:15 pm
gas turbine efficiency/power output vs Relative humidity and Specific humidity
DSLC from Woodward Not Operate in Droop?
Does DSLC woodward have restriction operating on droop?
By 309EGuy on 16 April, 2015 - 6:56 am
Terminal 47 is the CB AUX contact. If you open, or have no connection, to the terminal the DSLC...
How to decode Zone 2 specification
IEC 60529 IP2 (FINGER SAFE)
Posted by Brian Rode on 31 July, 2000 - 9:05 am
Does anyone have a clear definition of "IP2" (Finger Safe).
By Frank on 16 April, 2015 - 1:43 pm
Which IEC standard does this come from? > IP1 - 50 mm - fist or hand > IP2 - 12 mm -...
GE Mark VI/VIe HMI and Software Questions
Specific questions about Mark VI and VIe.
By Jeffery Johnston on 16 April, 2015 - 12:31 pm
Kevin, You seem very proficient in the GE world of turbine controls and i'm a new controls...
Mark-VI VCMI Card Fault Alarm (code: 57,67)
By Rabhi on 16 April, 2015 - 3:25 am
Hi, I would be able to help you and would like to e-mail me the issue with any screenshots. If...
260 kVA Diesel Generator Drops Under 250 A load
260 kVa FGWilson Diesel Genset drops voltage when under 250 amps load