Posts from...Today, Thursday, August 21, 2014
from the Forum department...GE Frame 7EA Combustion Turbine Starting Motor
Starting motor does not cutout when a normal shutdown is given below 60% speed.
So Bill here are my suggestions and thoughts on your issue. Some further clarification would be...
Bill, I am working on a reply to your post. Sounds like an interesting site, can't imagine...
from the Need to find a sensor department...Lightning Sensor
I'm trying to find a lightning sensor
By Lynn August Linse on 21 August, 2014 - 9:39 am -
Actually, the vaisala dot com website was pretty interesting. Although it would be tough to...
By CuriousOne on 20 August, 2014 - 10:10 pm -
dopler radar is the answer....
By Lynn August Linse on 20 August, 2014 - 10:58 am -
I think this also depends on your goal. I'd assume the normal 'lightning' system is some form of...
By Tye Scott on 20 August, 2014 - 10:40 am -
http://www.vaisala.com/en/products/thunderstormandlightningdetectionsy stems/Pages/TLS200.aspx ...
By Curt Wuollet on 20 August, 2014 - 12:37 am -
Detecting lightning within a defined radius might be a problem. Not detecting the lightning, that's...
from the Instrumentation and Control department...Calculating Pressure Transmitter Range
How can we test Rangeability of Pressure Transmitter?
what is the output of this transmitter? suppose its output is 04-20 mA than zero and span would...
from the Instrumentation and Control department...Self Actuated Pressure Control Valve
What happens when Upstream pressure of Self actuated pressure control valve (downstream) is less than set Pressure?
from the Chemical Engineering department...PI Controller on a Reactive Distillation Column
Tuning a PI controller for a dynamic reactive distillation column model.
from the I&C department...Fuse Monitor Alarm infi-90 DCS
Fuse monitor slave alarm of IMDSI02-NTDI01 DCS Infi90
from the Heads, flows, pumps & motors combined department...Pipe sizing for fluids and pump/motor selection
How do you select pipe size, metal as well as corresponding pump type with motors for process industry?
By Bob Peterson on 20 August, 2014 - 11:04 pm -
There are well known formulas for determining pressure drop across valves and thru piping and...
from the Forum department...Slave Device Lacks Connection to RS-485 Common Connection
Need to know how a slave device that lacks access to the RS-485 COMMON manage to maintain a Receiver common mode voltage between -7 and +12.
By Harvard on 20 August, 2014 - 8:48 pm -
It has been a long time since I have interfaced to a device with a metal frame, every thing in my...
By MarkW on 20 August, 2014 - 12:18 pm -
Many times 2 wire devices are referenced to frame ground and do not supply a terminal with + and -....
from the Power Station department...Efficiency of ac generators
When using ac generators in Power Stations, what are the advantages of using " Flux Cutting " types, compared to using " Magnetic Induction " types.
> Since you seem so well-steeped in Lorentz Law, why don't you explain it to us, and tell us...
from the Forum department...Sample Program for Twido Suite
sending the value of a register as a SMS message
from the Forum department...Chain & gearbox selection for factory automation
Selection process for gearboxes & chain for conveyors & packaging machines
from the Forum department...Adding Modbus register values together
How can you add MODBUS registers?
from the Forum department...Wonderware Intouch clock
Intouch help in creating an HMI to regulate start and stop time
from the Forum department...Web based HMI for Greenhouse
Looking for an affordable OPC Web based HMI solution
from the Forum department...Modbus Register Address
I have a question about entering the register address in our program PME when I have a 4-digit address.
By MarkW on 20 August, 2014 - 12:09 pm -
Actually, the original modicon only supported 0-999 addressing. Anyways, if your driver only...
By Darrin on 19 August, 2014 - 8:46 am -
If you are attempting to pair a master that won't allow configuration of offsets >9999 to a...
from the Forum department...Accessing Real Time in GE FANUC PLC
How to get real time in GE FANUC VERSAMAX PLC for a calculation.
By MarkW on 20 August, 2014 - 11:57 am -
Use ServiceRequest 16, not 7. There is no reason to mess with Time and Date, when you can use the...
By Russ Bartels on 20 August, 2014 - 8:07 am -
Use Service Request 7, search the online help for how to use it: "SVC_REQ 7 Read or Change the...
By Tye Scott on 19 August, 2014 - 4:43 pm -
This link should provide sample logic for a 90-30, however, it should be the same for Versamax...
from the Automation List department...Control Valve Cycle Measurement
How to measure the control valve cycles?
from the Forum department...Isochronous Load Sharing on Dissimilar Generators
Advantages of isochronous load sharing over iso-droop mode configuration of three generators.
from the Electrical department...Steam Consumption for 50 Hz and 60 Hz
The Steam consumptions for using 50Hz & 60Hz
from the OSI vs. Aspen department...OSI Pi versus Aspen Info Plus 21
Chemical company with batch processes has to decide if they buy Aspen tech or OSI.
By Chetan Patel on 20 August, 2014 - 3:27 am -
go for GE Proficy Historian, Best in solution and pricing as well.......
from the Forum department...Runtime Alarm Management OPC
Looking for runtime Alarm management OPC
from the Power Generation department...Getting a better understanding of GT control PART 2
Getting a better understanding of GT control PART 2.
CSA, Your response is much awaited. Your replies are very valuable to many of us. it helps in...
from the Forum department...PX_VIB_GAIN in Mark V
how PX_VIB_GAIN in mark V works?
By John on 19 August, 2014 - 11:10 pm -
I was on-site and had a look at this. The gain change was NOT a function of speed as the machine...
from the Forum department...iFix 3.5 Windows OS and Windows 7
Will iFix 3.5 run on Windows 7?
from the Operations department...Load Commutated Inverter and Generator Neutral
Difference in GE & SIEMENS Load Commutated Inverters.
from the Mechanical department...Gas Turbine Gearbox Bearing Damage
Possible causes for gas turbine gearbox bearing damage
Hello Toral I have taken some of the readings. I am surprised. Please see the below response. I...
from the Instrumentation and Control department...Replacing a Ball Valve with a Different Control Valve
how can we replace mechanically ball valve into electric or pneumatic valve?
By d on 19 August, 2014 - 1:30 pm -
few possibilities, you need to replace the valve, or at least contact the manufacturer of the...
from the IT department...BM85 connections to a 984 265 Via MODBUS
Trying to connect a bm85 to a 984 265. Via MODBUS+
from the Forum department...Control Valve Position Command Signal
Looking for a device that generate control valve position signal for open loop control
the correct terminology is Remote/Local for the Setpoint Adjustments Auto/Man for automatic...
from the CONTROLS department...Increase External Load Mode of Turbine
How can we increase initial load of GT (GE 9FA) after startup while being in external load?
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