Today is...
Saturday, August 19, 2017
Welcome to Control.com, the global online
community of automation professionals.
Featured Video...
Featured Video
Wiring and programming your servos and I/O just got a lot easier...
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive
Forum Archive
1
reply
Diaphram Seal and Manifold
Posted by mahmudrezasumon08 on 12 July, 2017 - 7:03 am
Can diaphragm seal and manifold work together?
Invertomatic-Victron UPS Keeps Shutting Down
Posted by uzoma cyril on 12 July, 2017 - 6:07 am
Invertomatic-Victron (IMV) UPS keeps shutting down even when power is on.
1
reply
Control Oil and Hydraulic Oil in Gas Turbines
Posted by Abdooo on 12 July, 2017 - 12:16 am
Difference between control oil and hydraulic oil in gas turbine
2
replies
GE Gas Turbine Major Inspection (MI) Scope
Posted by gtengineer on 11 July, 2017 - 3:52 pm
How to optimize the scope of Major Inspection of Industrial Gas Turbines.
3
replies
Themocouple Wire
Posted by tankiimiao on 9 July, 2017 - 11:21 pm
The application of thermocouple wire
1
reply
Maximum Gas Pressure Inlet for Frame 9E GTG
Posted by abdi on 9 July, 2017 - 3:07 am
How much we can increase the pressure inlet for servo valve
Sound Speeds of Oil for Ultrasonic Flowmeter
Posted by Sarath on 8 July, 2017 - 9:47 am
Looking for the sound speeds of marine fuel oils like HFO, LGO, Diesel
1
reply
Fuel Gas Mass Flow Measurement
Posted by instrumentationautomation on 8 July, 2017 - 4:12 am
Reading difference between Totalizator on HMI of 96FM-1 Gas fuel mass flow transmitter and per second (LBS/S) of gas flow Signal (fqguv_TH) reading taken from software.
1
reply
Main Hydraulic Oil Pressure Surge Observed with IGV LVDT Trouble
Posted by barindra75 on 7 July, 2017 - 10:46 pm
GE make frame-V gas turbine. Main hydraulic oil pressure fluctuation observed along with IGV LVDT feedback trouble.
2
replies
APM Partial Failure
Posted by ammar_yasir on 7 July, 2017 - 12:59 pm
On DCS TDC 3000 Honeywell APM card failure status
1
reply
Multiple Connect Request from Same MBTCP Master
Posted by vigneshr on 6 July, 2017 - 5:52 am
Can same master/Client establish multiple Modbus TCP connections to same slave/server???
TURBINES model GE 6FA 77 mw
Posted by fbancoff on 5 July, 2017 - 3:35 am
Doing my thesis on TURBINES model GE 6FA 77 mw
Thrust bearing Temperature
Posted by Kwaku on 4 July, 2017 - 7:50 pm
GE steam turbine generator keeps having thrust bearing drain active alarm
1
reply
High Vibration on Bearing
Posted by Ameer on 4 July, 2017 - 2:09 am
GE unit GT13E2 has high vibration on Bearing No. 1
3
replies
MARK V TCPS Issue
Posted by 6bturbinetech on 3 July, 2017 - 9:21 am
Diagnostic alarm MARKV-TCEA
OP7 Operating Panel
Posted by Rajendra on 3 July, 2017 - 3:14 am
OP7 Operating Panel shows blank screen and does not go into programing mode
Communicating from a PVPLUS 600 to MicroLogix 1200
Posted by adob2100 on 2 July, 2017 - 6:24 pm
Setting up communications between a PVPLUS 600 to micrologix 1200
Safety Instrumented System
Posted by eng_safi on 2 July, 2017 - 9:25 am
Application of safety instrumented system for emergency shut down
1
reply
Using Apple I-pad as HMI For a PLC Interface
Posted by efdkumar on 2 July, 2017 - 9:24 am
Is there a software interface that uses I-pad HMI for any PLC with wired interface to control the automation?
1
reply
Change in Excitation at Base Load
Posted by umesh on 2 July, 2017 - 5:47 am
What will happen if I change the base load of our GE frame 5 machines with Mark V control. They are not connected to the grid.
4
replies
MarkVie Trends
Posted by Belal_Mahdi on 2 July, 2017 - 2:42 am
Creating a record of signals that records MarkVie trends that lead to a trip.
1
reply
Response Dependent Gain Calculation
Posted by Wasi on 1 July, 2017 - 11:34 am
Performing a response dependent velocity feedback control
1
reply
Inverter with Lower Voltage Motor
Posted by Richyboy on 1 July, 2017 - 7:58 am
Using a 460v Inverter with a 400v motor
Protection Systems of Twin-Shaft Gas Turbine
Posted by Hadi on 1 July, 2017 - 12:57 am
What is the reason for the constraints between first rotor speed and second rotor as protection algorithm in twin shaft gas turbine?
13
replies
Exhaust Temp Spread Trip after Selecting IGV Temp Match
Posted by Aptx4869 on 30 June, 2017 - 9:59 pm
The GT trips on high exhaust temperature spread after selecting IGV Temp Matching (transfer from SC into CC)
3
replies
LVDT Feed Back Problem
Posted by shyam on 30 June, 2017 - 1:48 pm
Frame-V gas turbine machine, Mark-V control system LVDT feed back fluctuation issue.
Bradley Automated Machine BOQ template
Posted by Alonge on 30 June, 2017 - 6:49 am
Can someone help with a BOQ template that clearly show replaceable components of Allen Bradley Automation machine ?
2
replies
What Is the First Steam Blow Test in Commissioning
Posted by Saul on 29 June, 2017 - 7:18 pm
Power plant construction and commissioning, what is the first steam blow?
Significance of Alarm DYN2 PART LOAD LIMIT in V94.3 .
Posted by Power13031978 on 29 June, 2017 - 4:52 pm
Receiving alarm DYN2 PART LOAD LIMIT in Siemens V94.3 machine
1
reply
Gas Turbine Generator Load Tests
Posted by skbarc on 29 June, 2017 - 8:18 am
Conducting load tests for gas turbine generator
1
reply
Particle Measurment for Oil
Posted by Maj on 29 June, 2017 - 8:18 am
Low cost sensor for oil condition monitor for hydraulic systems.
1
reply
Sending Video and Tank Level Signal 1 Mile
Posted by Glenikins on 29 June, 2017 - 4:48 am
Transmission of video feeds and a tank level signal without cables
2
replies
Humidity Sensor 96RH-1 in G.E. 7FA Gas Turbine with Mark V Control
Posted by larriatavoladora on 28 June, 2017 - 2:14 pm
Need help to locate humidity sensor 96RH-1 in a G.E. 7FA gas turbine with Mark V control
1
reply
Devicenet Communication
Posted by Madhumati on 28 June, 2017 - 4:09 am
Details required for Devicenet communication
3
replies
Flame Eye/Detector in Gas Turbine
Posted by Aaristokrat on 28 June, 2017 - 3:31 am
What kind of Flame eye/Flame Detector is used in a gas turbine furnace?
1
reply
Wonderware SCADA Data Update in Runtime
Posted by kk on 27 June, 2017 - 8:06 am
Wonderware Intouch 8.0 not updating tags data values on HMI Page but trends data getting updated. Running as a server it's also not providing any data updates to connected Intouch Clients
1
reply
Effect of NOx on Combustion in Gas Turbines
Posted by Malcolm D. Abel-Tariah on 27 June, 2017 - 5:30 am
why is it important to eliminate NOx in a gas turbine?
Siemens S5 - Yokogawa Centum Communication
Posted by Liviu on 27 June, 2017 - 2:16 am
We are trying to establish communication between a Siemens S5 PLC (150A) and Yokogawa Centum DCS
1
reply
MaxDNA DCS History Report
Posted by Pankajkumargupta on 25 June, 2017 - 4:01 am
Exporting MaxDNA DCS history report
1
reply
SOS Servilink OPC Server 4.10
Posted by Mario on 24 June, 2017 - 3:59 pm
Communication Issue_ Cimplicity Black Screen_SOS Servilink OPC Server_Woodward Micronet Plus
3
replies
Fuel Change Over Mark Vie GE Frame 9E
Posted by transporter84 on 24 June, 2017 - 9:01 am
How is fuel changeover happening in 9E Gas turbines?
Data Gathering from Three DCS Systems
Posted by momad on 24 June, 2017 - 12:11 am
How to reading Data from 3 individual DCS systems?
TDC 3000 Honeywell Schematic Symbol and Data Point Configuration
Posted by ammar_yasir on 23 June, 2017 - 11:59 pm
How to give address or connect symbol to its point in APM after configuring in TDC 3000 Honeywell?
1
reply
Thermal expansion of GE Frame 9E
Posted by squallgt22 on 23 June, 2017 - 9:43 pm
Would like an explanation of thermal expansion written on the generator manual.
1
reply
PLC Register Meaning
Posted by SMF on 23 June, 2017 - 2:11 pm
I need help understanding a line of code in a register.
Transformer PRV Operated with Differential
Posted by speed_tronic on 23 June, 2017 - 8:53 am
A 38MVA 20/11/11 KV transformer's PRV operated along with differential protection. But fault happened outside transformer. How PRV can operate for an earth fault outside transformer?
Emerson DCS
Posted by Heba on 23 June, 2017 - 5:53 am
Emerson DeltaV HMI Hardware communications
Redundant AB PLC5 - Switchover by Logic
Posted by GA1978 on 23 June, 2017 - 4:20 am
Forcing switchover of AB redundant PLC5 by logic.
9
replies
Mark V <C> Additional Analog Inputs
Posted by gilariver on 22 June, 2017 - 10:09 am
Adding additional IO on the optional <C> TCCB location 3 results in no results.
1
reply
Gas Turbine Compressor Efficiency GE Frame 5
Posted by Ilechie Chiedozie on 22 June, 2017 - 8:20 am
Water washing for GE Frame 5 gas turbines
Carel HMI and c.pCO PLC ModBus Communication
Posted by Yasashii on 22 June, 2017 - 7:21 am
Problems setting up communication in the software
A New Alternative to Load Balancer in Maintaining Internet Availability
Posted by vayrence92 on 21 June, 2017 - 10:24 pm
I am looking for an alternative to replace load balancer that is connected to two modems for the purpose of reducing downtime of the internet service.
Alternative to Load Balancer in Maintaining Internet Availability
Posted by vayrence92 on 21 June, 2017 - 10:00 pm
Looking for an alternative to replace load balancer that is connected to two modems for the purpose of reducing downtime of the internet service.
5
replies
Modicon CPU Fault
Posted by iwoiwo on 20 June, 2017 - 6:05 pm
We have a Modicon TSX Premium PLC and currently has a "Low Battary Fault Blinking" and PLC cannot run
3
replies
Modicon X80 NOC to Allen Bradley 1756A7B
Posted by RichPLC on 20 June, 2017 - 12:26 pm
Does anyone have an example of how to set up communications between a Modicon X80 NOC and AB 1756-L73 ControlLogix 5570 using Ethernet/IP?
2
replies
Data Configurations
Posted by ammar_yasir on 20 June, 2017 - 12:18 pm
APM directory configurations
1
reply
Pitot Tube
Posted by Elmira on 20 June, 2017 - 4:51 am
End support for pitot tube
1
reply
Modbus to Connect Inverter to PC
Posted by benjamint76 on 19 June, 2017 - 11:30 am
I would like to learn Modbus RTU in order to connect an inverter to a PC for monitoring the status of the inverter.
3
replies
Modbus Connection to Barcode Reader
Posted by macser on 19 June, 2017 - 7:27 am
Looking for a Modbus connection between Modbus device, laptop and barcode reader
Reading Data from 1756-OF8H HART I/O Module
Posted by Rafa1976 on 18 June, 2017 - 11:41 am
Reading SVI-II positioner masoneilan data via 1756-OF8H I/O module
2
replies
Downloading Logic to a PLC
Posted by misraz14 on 18 June, 2017 - 5:38 am
Downloading logic to a PLC without using the programming software
1
reply
False Alarm on Twido PLC
Posted by Rustom on 17 June, 2017 - 8:50 am
How to reset alarm on Twido PLC
2
replies
No Voltage to Analog Output
Posted by kishore on 17 June, 2017 - 3:47 am
No voltage (24VDC) present in analog output circuit to the valve or VFD.
3
replies
GE logicmaster Software
Posted by Ravi Verma on 17 June, 2017 - 3:45 am
Where can I get GE Logicmaster Software?
4
replies
Converting Integer Data Type to Celsius or Fahrenheit
Posted by wnewton1 on 16 June, 2017 - 3:47 pm
Simple conversion escapes me
2
replies
1734-IE8C Major Channel Fault
Posted by George on 16 June, 2017 - 9:48 am
1734-IE8C input module went bad. Replaced module still all channels solid red.
1
reply
CENTUM CS300 HIS Upgrade
Posted by FUZZY1972 on 16 June, 2017 - 8:33 am
Migration issues for CENTUM CS 3000 operator stations
GE DC 300 Drive FL15 VFBLS Fault
Posted by Dennis J. Reisinger on 16 June, 2017 - 7:51 am
Heidelberg 9 unit press with dual DC300 drives. Primary drive faults during jog.
Ethernet Port Link Activity?
Posted by TreyB on 15 June, 2017 - 2:26 pm
What causes LINK/ACT light to blink?
4
replies
Error Handling on Read Multiple Coils/Registers
Posted by mikegibson on 15 June, 2017 - 1:40 pm
Is it against spec to NOT return error if a "read multiple" command has address range that includes an invalid reg address?
3
replies
ARCnet Analyzer for Mark-V Node Monitoring
Posted by Hira on 15 June, 2017 - 6:35 am
Need recommendations for an ARCnet analyzer for Mark-V network
1
reply
Using SYCON-PB to Connect to YOKOGAWA
Posted by IvanPetrovich on 15 June, 2017 - 5:53 am
Connecting Yokogawa and Siemens via Profibus using SYCON-PB
5
replies
Synchronization of Small DG and Big GTG
Posted by skbarc on 15 June, 2017 - 2:29 am
Synchronization of small DG and big GTG in a Captive Generation System
1
reply
Generator Voltage Regulation
Posted by BCD on 14 June, 2017 - 3:45 pm
Unstable voltage regulation at high load and unity PF
5
replies
Allen Bradley PanelView - PC communication
Posted by brahim on 14 June, 2017 - 5:14 am
Allen Bradley PanelView - PC communication
1
reply
GE MK VI Controller and SOE Time
Posted by orismac38 on 14 June, 2017 - 2:59 am
Alarms time stamp does not follow the HMI time
1
reply
Auxiliary Hydraulic Oil Pump Hard-Wired Logic
Posted by ManishKR on 13 June, 2017 - 4:29 am
Auxiliary hydraulic oil pump hard-wired logic in GE Frame#9E gas turbines with Mark 5 control system
2
replies
Sludge Concentration Inline Measurement
Posted by Maj on 13 June, 2017 - 4:11 am
suspended solid measurement in pipeline (Sludge Concentration) in sewage. up to 7%
6
replies
Clarification on Correct Servo Polarity Check
Posted by Amal on 13 June, 2017 - 3:37 am
Questions about Servo polarity check during valve calibration.
1
reply
BFP Runback, Drum Level Control
Posted by yun on 11 June, 2017 - 9:49 am
When BFP runback is initiated, drum level control is impossible with feed water level control valve.
8
replies
Tranformer 277V / 220
Posted by Shree on 11 June, 2017 - 4:16 am
Is it possible to convert 277V transformer to 220V?
5
replies
Float Type Level Switch and Foaming Problem
Posted by Ahmed on 10 June, 2017 - 5:28 am
Float type level switch causing problems because it gets stuck due to extensive foam. Application is suction gas scrubber on Frontend compression of natural gas.
Pick and Place Fabrication
Posted by harderbetterfasterstronger on 9 June, 2017 - 11:43 am
Need information on all considerations for the manufacture of pick and place units.
1
reply
Accounting for Water Injection in an LM6000
Posted by NYStack on 9 June, 2017 - 11:24 am
A question about what exactly happens with the water injection at the combustor in a turbine.
1
reply
Interface Level Measurement
Posted by soniaksky on 8 June, 2017 - 2:06 pm
Problem arising in GWR(Guided Wave Radar) method of interface level measurement of water and crude oil interface.
2
replies
Honeywell UV Flame Detector
Posted by Daniel_Beamish on 8 June, 2017 - 11:17 am
UV signal required for a Honeywell UV flame detector to recognise a flame.
2
replies
Pressure Drop Across Coriolis
Posted by shahidulislam48 on 8 June, 2017 - 1:47 am
Allowable pressure drop selection across Coriolis.
7
replies
Flow Transmitter for Cooling Water
Posted by Elmira on 7 June, 2017 - 12:58 am
Proper Flow transmitter for Cooling water
18
replies
Infrared Sensor (Back Scattering)
Posted by Maj on 6 June, 2017 - 10:24 am
Measurement of Suspended Solid (in pipe line) using infrared back scattering principle.
4
replies
<I> MarK V Modbus RTU with DCS
Posted by Bahamuttone on 6 June, 2017 - 4:19 am
Modbus communication losing queries randomly after <I> replacement
5
replies
Intrinsically Safe
Posted by solmaz on 6 June, 2017 - 4:12 am
Using a intrinsically safe positioner in non-hazard area
3
replies
Machine Monitoring System
Posted by Elmira on 6 June, 2017 - 12:54 am
What does MMS do that a DCS cannot do?
2
replies
Sharing One Scale with Two PC
Posted by Liya on 5 June, 2017 - 11:09 pm
Sharing two PCs with one electronic weighing scale
13
replies
Unplanned Downtime
Posted by Jeremy Pollard on 5 June, 2017 - 6:31 pm
How do you reduce unplanned downtime?
2
replies
Monitoring ATS
Posted by edward on 5 June, 2017 - 2:56 pm
Monitoring ATS with a PLC, anyone with experience?
4
replies
Automation Network Website
Posted by wnewton1 on 5 June, 2017 - 12:22 pm
I would like to create a website from my automation network.
5
replies
Modbus RTU to 2 Master Devices
Posted by Terminator_3 on 5 June, 2017 - 10:33 am
Modbus/RTU slave device to communicate with 2 master devices: 1 master via Modbus/RTU and other master via Bacnet/IP
Percentage Impedence Problems
Posted by Harish_EEE on 5 June, 2017 - 5:49 am
Looking for a formula for voltage drop and efficiency and loss reduction with change of percentage impedance of a transformer.
Gas Turbine Frame 9E Hydraulic Pressure Filter Replacement Alarm
Posted by AAkhan on 5 June, 2017 - 12:06 am
GT Fr9E Hydraulic pressure filter alarm occurred after the commuter valve (Use for priming) broke. Is there any alternate way to change over the hydraulic filter other than shutting down and reducing speed to zero?
1
reply
Windows 10 vs Linux (Ubuntu) for ModBus TCP/IP Master
Posted by Nathan Bedford on 4 June, 2017 - 9:44 pm
Is Windows 10 "enough" (compared to Ubuntu) to host a simple, 4Hz Modbus master?