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Tuesday, November 20, 2018
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A demonstration of EtherCAT control of linear motors using the CTC EtherCAT master.
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Forum Archive
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Mechanical Engineer Looking for Instruction in Hydraulic Valve Repair
Posted by Manolis Pairis on 20 November, 2018 - 4:16 am
Looking for an expert in proportional hydraulic valves repair
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RSLogix 500 Alternatives
Posted by EETech on 19 November, 2018 - 4:29 pm
Are there any cheap or free RSLogix 500 alternatives?
High Temp Exhaust and Vibration
Posted by saleh_101_ on 19 November, 2018 - 12:02 pm
Can high temp exhaust be caused by vibration in GE 7EA
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2080-RTD2 for LG Ni 1000 Sensor
Posted by Sunkid on 19 November, 2018 - 5:41 am
Can I use a PT100 RTD Module for a LG NI 1000 Sensor
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TDC3000 Software
Posted by william on 18 November, 2018 - 5:52 pm
Honeywell TDC 3000 software
3
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MarkVie Controller Failure Upon Power ON
Posted by iqbal5903 on 17 November, 2018 - 12:43 am
MarkVie Controller failure after power switched on after turbine maintenance.
8
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High Exhaust Spread and High Wheelspace Temperature
Posted by amirjam on 16 November, 2018 - 2:31 pm
Urgent help, Sudden high change in exhaust temp spread, wheel space temp. And rpm
Steam Turbine Lube oil System
Posted by Shahrukhabbas91 on 16 November, 2018 - 9:40 am
Is there any standard code (like ASME or IEC) pertains to DC lube oil pump testing during operation of Steam Turbine?
Fuel Metering Valve
Posted by mohd53333 on 16 November, 2018 - 7:03 am
We Are Planning to purchase an alternative FMV from another manufacturer for Siemens Industrial Trent 60 Aeroderivative gas turbine
2
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Thermometer / Pressure Gauge ATEX
Posted by odnaz on 16 November, 2018 - 6:32 am
Thermometer - Pressure Indicator ATEX Installation
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Importing DCS Data to MySql Data Acquisation Server
Posted by safwan on 16 November, 2018 - 5:16 am
Help is required regarding imporing data from ovation database to mySql server.
2
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mA Input HART 9 Digit Display
Posted by Jerry on 15 November, 2018 - 12:47 pm
Need to route the display output (Totaliser) from an E+H flowmeter to a location that could be accessible for data capturing
Hydraulic Torque
Posted by VSGE on 15 November, 2018 - 1:47 am
Hydraulic Torque manual calls to tighten bolt until no bolt further rotation, will this damage the gasket?
Gaskets
Posted by VSGE on 15 November, 2018 - 1:36 am
Does the inner ring of a SW Gasket obstruct the flow through a pipe?
GE Mark V Terminal Boards and I/O Cards
Posted by esdauto18 on 14 November, 2018 - 1:04 pm
GE Mark V Terminal Boards and I/O cards Identification
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Modbus Addressing in Weintek HMI
Posted by Rohan on 14 November, 2018 - 4:16 am
Modbus Addressing in HMI to poll data from Temperature sensor through RS485
Mark-VI CRM_SVR HMI Restoration
Posted by shams1999 on 14 November, 2018 - 1:54 am
Restoration of Mark-VI HMI CRM_SVR specially when you need to replace the faulty HDD.
Modbus RTU Communication
Posted by aditya on 13 November, 2018 - 4:16 am
Want to communicate Siemens PLC to other Siemens PLC over MODBUS RTU Protocol. If possible, then how? A sample program with details will be a great help.
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Where should the feedback of AVR be taken in a synchronous generator?
Posted by stadimet on 13 November, 2018 - 1:19 am
Where should the Feedback for an AVR be taken in a Synchronous Generator? Also what are the consequences of taking the voltage feedback from the Busbar instead of the Generator terminals themselves?
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RTD Output
Posted by instrument on 12 November, 2018 - 2:02 pm
Some time RTD showing low reading when we touch the terminal lose and tight it's become normal what is the reason???
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Fuel Flow Unit
Posted by Jamal on 12 November, 2018 - 9:22 am
What is the output unit after calculation of gas fuel flow?
2
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Modbus RS232 Communication
Posted by valixos on 12 November, 2018 - 8:14 am
The communication between the PLC and HMI panel on Modbus RS232 is lost when I press a push button which is a digital input in PLC
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Siemens Fieldbus Positioner
Posted by hasseli on 12 November, 2018 - 5:26 am
How to upgrade Siemens Fieldbus positioner firmware?
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Moving Up - Instrument Tech to a Process Control Engineer
Posted by NavyVet1147 on 11 November, 2018 - 10:50 am
Looking for advice on moving up from an Instrument Tech to a Process Control Engineer?
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Standards for Identification and Management of Critical Instrumentation and Control Equipment
Posted by faizan24 on 10 November, 2018 - 9:23 am
Standards for identification and management of critical instrumentation and control equipment in power plants/process industry
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MARK VI Serial Modbus Communication
Posted by djafer on 8 November, 2018 - 7:51 am
Communication between MARK VI and DCS
4
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PLC IOs Galvanic Isolation
Posted by carlosmelim on 8 November, 2018 - 3:34 am
PLCs IOs galvanic isolation
2
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Ex2100e Excitation System Startup issue
Posted by shams1999 on 6 November, 2018 - 4:02 pm
Frame 7Ea gas turbine simple cycle, excitation system issue
4
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Separating Instrumentation, Controls, and Power Cabling
Posted by Last on 6 November, 2018 - 3:26 pm
Looking for a source or standard to reference concerning the separation of analogue, discrete, and communications cabling from 120 VAC and higher voltage cabling as well as co-mingling instrumentation.
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PIQ Calculation
Posted by awaiszaheer962 on 6 November, 2018 - 12:50 pm
How to calculate the output of PIQ?
3
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Synchronizing a Generator
Posted by Achiever on 3 November, 2018 - 5:45 am
Synchronizing a generator to a grid.
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A.C Servo Drives and Motors
Posted by Gemfree3 on 2 November, 2018 - 2:17 am
Help me on how to program an AC servo drive to run an AC servo motor
2
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Exhaust Energy Degradation
Posted by guyyi on 1 November, 2018 - 5:09 am
GE 6B Exhaust energy degradation
4
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Why do ships mostly use 3 phase 3 wire systems?
Posted by stadimet on 31 October, 2018 - 12:29 pm
Why do ships use 3 Phase 3 wire instead of 3 Phase 4 wire and questions on EMI/EMC?
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Pressure Transmitters Accuracy Recommendations
Posted by Turboboy on 31 October, 2018 - 9:58 am
What Accuracy required for pressure transmitters in oil and gas industry?
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Gas Turbine Testing
Posted by Nickey on 30 October, 2018 - 6:43 am
Testing a gas turbine engine as a part of my university experiment. Confused with the usage of the sensors.
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Connecting Electrical Engineering Experience and Programming
Posted by Babaroga on 29 October, 2018 - 8:36 pm
Marine electrical engineer who wants to learn programming and start working ashore, but has no clue how to connect programming and gathered practical electrical knowledge
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Simatec S5 Signal Problems
Posted by emil73mk on 29 October, 2018 - 4:33 pm
S5-95U output signal problems
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What Is the best sensor to detect movement?
Posted by George on 29 October, 2018 - 4:32 pm
What is the best sensor to pick up the movement of cattle in a chute?
3
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Security of Modbus Data Packets Against "Man-in-the-Middle" Attacks
Posted by sritam paltasingh on 29 October, 2018 - 12:38 pm
Security of modbus TCP data packets implemented via libmodbus
2
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Underwater flow meter
Posted by V Srinivasa Rao on 29 October, 2018 - 10:45 am
Need a flow meter for an underwater marine pipeline
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Parallel Generator
Posted by MetoMeto on 29 October, 2018 - 8:19 am
Risks to generator running parallel to grid after operator reduces load to 0 MW
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Position Control of Artificial Muscle
Posted by Kostper on 29 October, 2018 - 7:39 am
Developing a position controller to control an artificial fluidic muscle
3
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Question on PID Controller and Adaptive Control
Posted by XaviPacheco on 28 October, 2018 - 12:15 am
Need advice on Embedded PID Controller and Adaptive Control
3
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Automax Ladder Editor Software
Posted by Blueline on 27 October, 2018 - 5:13 pm
Looking for Automax Ladder Editor Software
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Back-up Temperature Reference Active
Posted by bonera112 on 27 October, 2018 - 12:55 pm
Gas Turbine Back-up Temperature Reference Active Alarm
4
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High Velocity Temperature Measurement
Posted by d on 27 October, 2018 - 12:06 pm
Thermowell length
Solaredge Gateway
Posted by racerfern on 25 October, 2018 - 4:53 pm
Solaredge Gateway not waking automatically
S5 PLC Wincc Communication
Posted by taheri_az on 25 October, 2018 - 2:53 pm
Connecting S5 155u (with cpu948) to Wincc
Messung PLC
Posted by Paresh Mehta on 23 October, 2018 - 10:24 pm
Looking for the cable and software for Messung PLC
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Connecting to Deep Sea 7320 Using Modbus
Posted by Putra on 23 October, 2018 - 7:56 pm
Connecting DSE 7320 to my laptop using modbus RTU
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Anti-Repeat and Anti-Tie Down Press Control
Posted by MicrobicTomb on 23 October, 2018 - 3:06 pm
Adding anti-repeat and anti-tie down control to old mechanical stamping press without angle feedback.
HRSG Burners High Spread
Posted by AAkhan on 23 October, 2018 - 10:13 am
HRSG burners high spread on partial load (4 out of 8 burners in operation)
Popular Brands: DCS, Safety System, and Cyber-Security System in Your Region
Posted by instrument_irshad on 23 October, 2018 - 3:41 am
Collecting Information popular brands in Industrial Automation to get a general insight on regional based popularity of brands used. Mostly interested in the Asia-Pacific area.
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Pressure Transmitter Output Negative 4-20
Posted by Mrdouble on 23 October, 2018 - 12:10 am
New and old pressure transmitter 4-20 ma output is negative
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LVDT Failures on Splitter Valve Frame-6 Machine
Posted by thsaji on 22 October, 2018 - 1:03 am
Facing frequent failure of LVDT's on Frame-6 splitter valves
Using Amtech to Model a Switchboard
Posted by Posty58 on 22 October, 2018 - 12:11 am
Amtech question on modelling.
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GE Mark V Secondary Gas Valve Auto Calibrate Issues
Posted by RJSolo on 21 October, 2018 - 8:48 pm
Unable to get Secondary Gas Valve to auto calibrate
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Bubbler for level indication
Posted by SMF on 21 October, 2018 - 3:11 pm
Working on a bubbler system that is indicating out of range and has a negative offset.
CP1430 Wincc Connection
Posted by taheri_az on 20 October, 2018 - 5:28 am
Connecting CP1430 TF transport connection to Wincc using Ethernet
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Causes of Reverse Power in Generators
Posted by mohsin on 20 October, 2018 - 3:19 am
What are the causes or reverse power in generators?
2
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Questions About SIL 3 System Requirements
Posted by kullboys on 19 October, 2018 - 3:51 am
What are the requirements for SIL 3 system?
5
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Drum Level Fluctuation Due to Rain
Posted by contacthemu on 18 October, 2018 - 7:09 am
Drum level transmitters reading changes due to rain
Profibus Connection Between ALP111 and MICROMASTER420
Posted by masoodbeheshti on 17 October, 2018 - 5:35 pm
Want to start and stop the motor by Profibus communication from ALP111 yokogawa card to MICROMASTER420 siemens
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What is the procedure to replace VTUR card of Mark VI
Posted by jhon123 on 17 October, 2018 - 4:59 am
What is the procedure to replace VTUR card of Mark VI
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Clutch Disengaging Too Early During Startup
Posted by hem_dipu on 16 October, 2018 - 10:54 am
Jaw clutch disengaging before reaching crank speed
12
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MKVIE UCCC Not Booting
Posted by Chemsouhd on 15 October, 2018 - 7:26 am
MKVIE UCCC Doesn't boot
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VSD Sizing
Posted by Posty58 on 15 October, 2018 - 6:07 am
Sizing of VSD to allow VSD cable to be sized.
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Does a control valve always needs output signal from positioner?
Posted by Assylbek on 15 October, 2018 - 4:16 am
Whether to install or not additional signal from positioner.
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Difference Between I/O Cards
Posted by hamel ameur on 14 October, 2018 - 12:41 pm
Need to know the difference between two types of cards.
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Standard Insulation Resistance Test Procedure of Cables
Posted by instrument_irshad on 14 October, 2018 - 5:45 am
Although this may be a basic question, I request you all to provide the standard procedure of IR Test for both Electrical and Instrument cables.
Data Acquisition Cards
Posted by mohsen56 on 14 October, 2018 - 3:50 am
What is the relation between accuracy and resoulution in a data acquisition CARD or PLC?
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Determine Motor Current and Input Current
Posted by AmazingServo on 13 October, 2018 - 7:47 pm
Find output and input current value of load.
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Horsepower for Impulse Water Turbine
Posted by Hector Lopez on 13 October, 2018 - 1:08 pm
Need to know hp of an impulse water turbine I'm making.
Schenck Weigh Feeder Calibration
Posted by sam_111 on 13 October, 2018 - 8:49 am
Regarding Calibration of Schenck weighfeeder.
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VFD Pressure Control
Posted by Posty58 on 12 October, 2018 - 10:44 am
VFD Pressure control for outlet pressure transmitter
The Importance of Design Review
Posted by d on 12 October, 2018 - 8:35 am
Design reviews and precommisioning checks
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HART Compatible Analog IO cards
Posted by YZ on 11 October, 2018 - 1:40 pm
HART Compatible Analog Input Output Cards
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Solution for Hole Made on an EX "d" JB
Posted by instrument_irshad on 11 October, 2018 - 6:57 am
How to repair a hole on an EX "d" certified JB for nameplate
8
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Registers in Modbus Communication
Posted by pauljay on 11 October, 2018 - 5:56 am
Registers read 2 bytes and it was already identified. What if the byte you need to read is byte 5 to 8, what will be the register number?
Starting and Stopping Diesel Engine
Posted by nawzat hussein on 11 October, 2018 - 5:08 am
Can starting and stopping Diesel engine multiple more times in a short time span effect mechanical parts of engine?
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Using Wireless Frequency Meter to Control Brightness
Posted by danny76 on 10 October, 2018 - 6:59 am
Use Wireless Frequency meter to control the brightness in phase, flickering issues also
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Connecting to Rayleigh Meter Using Modbus
Posted by Sarah Brown on 9 October, 2018 - 10:59 am
Connecting to a Rayleigh meter RI-f-100C via Modbus register
TOTEM Finite State Machine Information - Reading from a Input Register
Posted by AndrewC on 8 October, 2018 - 9:35 am
I have been given a datasheet for a CHP unit. I am looking how I can get the multistates?
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Why is there no safe communication protocol (SIL 2/3) for Modbus?
Posted by Dumas on 8 October, 2018 - 5:13 am
Something like ProfiSAFE for Profinet or Failsafe over Ethercat (FSoE).
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TIMESYNC.DAT in mkv TMR
Posted by bil07 on 7 October, 2018 - 4:43 pm
The time of HMI and MKV processors is the same but it is not correct. How can I adjust it?
2
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Generator Bearing Leaking , GE 9E
Posted by MOmar91 on 7 October, 2018 - 9:19 am
Oil and vapor leakage from generator bearing #5 after installing orifice at the discharge pipe of the mist eliminator
2
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ABB GT13E2 Trip When Fuel Gas Composition Changed
Posted by mahmoodalam on 7 October, 2018 - 8:40 am
We have 3 same machines of ABB GT13E2, 2 of them are getting trip when fuel gas composition changed by supplier (lined up other well) while 3rd one, we did not face the problem.
3
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Instrument Earth and Plant Earth
Posted by vwb5047 on 7 October, 2018 - 4:09 am
Guidance related to grounding/earthing cable routing?
Controller Action For Fail Safe Position
Posted by bodhiUOP on 6 October, 2018 - 10:58 am
Controller action for fail safe position for Centrifugal Compressor
2
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Logix 5561 Fault Issue
Posted by sahaya on 6 October, 2018 - 7:20 am
Logix 5561 no communication
5
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Why Disconnect Gas Turbine Tripped When When Feed Dead HV Grid
Posted by zoubi on 5 October, 2018 - 9:38 pm
Need explanation for why gas turbine tripped when generator breaker closed to feed dead grid
3
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Pressure Transmitter Protection
Posted by Nikhil on 5 October, 2018 - 7:52 am
Need a recommendation for a differential pressure transmitter for steam flow at high pressure and temperature.
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How to do Firmware Update Through MODBUS?
Posted by stommy987 on 5 October, 2018 - 5:36 am
A problem about working on .mot file and Rs485.
3
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Grounding Level Transmitter
Posted by TylerDurden on 5 October, 2018 - 2:37 am
We experience rise in the tank level everytime after lightning occurs. The 4-20mA signal is being affected. I have some questions about the grounding.
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Failure to Ignite after Combustion Inspection
Posted by Control911 on 4 October, 2018 - 9:24 pm
Failure to start on fuel oil after Combustion Inspection
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What type of DCS to Chose?
Posted by Assylbek on 4 October, 2018 - 4:10 pm
Comparison of available DCS types for chemical process controlling
2
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Newbie Help Needed - Dart Drive Speed Controller
Posted by ddorrer on 4 October, 2018 - 2:06 pm
Speed Controlled Setup
3
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7FH2 Generator Cooler and Rated Load
Posted by Aptx4869 on 4 October, 2018 - 11:29 am
Effect of isolating one generator cooler on load capability
2
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MK6e Boot Light Flashing Loss Communication
Posted by andstennett on 4 October, 2018 - 11:14 am
MK6e controller UCSA-H1A boot light flashing continuously unable to go online with Toolbox ST or download to the controller