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Sunday, April 23, 2017
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A demonstration of EtherCAT control of linear motors using the CTC EtherCAT master.
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Forum Archive
Wago 750-432 - Arial Platform Control 2005 Problems
Posted by Cherry picker man on 22 April, 2017 - 1:44 pm
Problem with LAN socket connection on Wago 750-432
Config MODBUS in Cimplicity Mark V
Posted by briq on 22 April, 2017 - 7:48 am
How to configure MODBUS in GE Cimplicity Mark V
Boot loader, Firmware, Application Load in MARK VIE
Posted by Mohamed Oraby on 21 April, 2017 - 5:41 pm
Need to understand how these terms apply to Mark VIe
RTD Reading Fluctuation
Posted by advanced on 21 April, 2017 - 5:34 pm
Cause of RTD reading fluctuation?
%M reading with Premium limited to 16bits
Posted by Fred_IR on 21 April, 2017 - 4:55 am
Cannot read more than 16 bits on a PRemium with READ_VAR command
Niagara TCP for Schneider Ion 7750 Power Meter
Posted by Doug K on 20 April, 2017 - 2:34 pm
Schneider Ion power meter is incorrectly reading points when using Niagara Modbus TCP network.
Wireless Transmitter for High Temperature Application
Posted by Tejashri on 20 April, 2017 - 10:05 am
Need Wireless Transmitter for high ambient temperature.
Modicon 984 Model 685 Modbus Plus Address
Posted by tim985 on 20 April, 2017 - 9:05 am
I am trying to set the Modbus Plus Address on a Modicon 984 685 PLC.
Power Factor Issues with on Grid PV Solar Systems
Posted by mbsagarwal on 20 April, 2017 - 3:10 am
When SOLAR PV SYSTEMS or connected to grid some issues regarding leading PF
GE Frame 9E Gas Turbine Evaporative Coolers
Posted by samrannaveed on 19 April, 2017 - 7:31 am
Impact of GT evaporative coolers operation on heat rate at partial load
Posted by 6bturbinetech on 19 April, 2017 - 7:19 am
Questions about logic signal LTRUE in MARK V <I> controls
Error Sending/Receiving HART commands (SFB52/53): "Faulty, Without Data"
Posted by TheMaximum on 19 April, 2017 - 3:38 am
Trying to send HART commands to measurement device via SFB52/53 - blocks indicate proper transfer, but response message indicates unknown error.
Why Should One Have To Squeeze Disc Thyristor
Posted by Chaichanoke on 19 April, 2017 - 2:58 am
I have a question about how important it is to squeeze a disc thyristor that gets them to work.
AUMA Motor Operated Valve
Posted by raja_cshah on 18 April, 2017 - 7:16 am
AUMA motor operated valve not operating in remote using DCS logic
Flow Under and Flow Over Control Valve
Posted by mahmudrezasumon08 on 18 April, 2017 - 4:38 am
Flow direction for flow under and flow over control valve
Bytes Missing Error Followed by Timeout
Posted by Abhik on 17 April, 2017 - 8:58 am
Bytes missing error followed by timeout after Modbus poll
DeltaV Controlling a PLC
Posted by maico on 17 April, 2017 - 2:01 am
In my current project the current HMI is being removed and all control will be done via DeltaV this has been largely implemented.
Pitch and Yaw Angles When Measuring Air Flow
Posted by Flow Guy on 16 April, 2017 - 11:06 pm
Questions about measuring air flow
Critical Speed Vibration on 9001E
Posted by Khaledian on 16 April, 2017 - 3:41 am
After major inspection and rotor inspection of gas turbine bearing No. 1 vibration exceeded 25.4 mm/s during start up
Ground Issues on MK-5=>MK-6e Migration
Posted by mhwest on 15 April, 2017 - 2:26 pm
MK-5 to MK6e migration Grounds when a core is powered off
Load Reactor Failure in Variable Frequency Drive
Posted by paru on 15 April, 2017 - 1:10 pm
Repeated failure of load reactor on variable frequency drive
GE Mark VI Fast Unload on Shutdown
Posted by solidus1975 on 15 April, 2017 - 12:39 pm
In some cases gas turbine GE Mark VI controller performs a fast unload during shutdown
Liquid Fuel Pump Type
Posted by solidus1975 on 15 April, 2017 - 12:28 pm
Materials for a pump impeller, shaft and casing to be used for liquid fuel un-loading from trucks to main liquid fuel tank.
Magnetic Flowmeter
Posted by Devpriy sahu on 14 April, 2017 - 2:19 am
Trouble with magnetic flowmeter
Security and Remote Access for Power Industry
Posted by Jeremy Pollard on 13 April, 2017 - 6:00 pm
If you had a technology that delivered secure remote access, without creating a new risk vector, would you use it.
PRD Mode on Yokogawa Centum VP
Posted by mudassir_mehmood on 13 April, 2017 - 7:40 am
Is there a way to disable the Primary Direct (PRD) mode on Yokogawa DCS (Centum VP or Centum CS3000)?
Frame 9E-Mark vie Servo Valve
Posted by Yasiin on 12 April, 2017 - 10:46 pm
Frame 9E-Marj Vie servo valve current values.
Modbus Serial Diagnostic Register Description
Posted by clarkleach on 12 April, 2017 - 10:35 pm
I'm trying to determine the intended function of the "Diagnostic Register"
Merged Networking
Posted by David Richardson on 12 April, 2017 - 11:17 am
Who really wants control and business networks merged besides the companies pushing the concept?
Parallel Generators and Excitation Voltage
Posted by greg on 12 April, 2017 - 3:27 am
I can't seem to get my head around how to determine the Excitation Voltage a 1 generator in a parallel system
Power Generation and Transformer
Posted by agillani on 11 April, 2017 - 2:41 pm
Questions about using 6000 KVA 11000/3300 Volt transformer and 8000 KVA steam turbo-alternator together
Why Does Liquid Fuel Get into the Combustion Wrapper
Posted by Aptx4869 on 11 April, 2017 - 10:22 am
Why LF can get into the Combustion Wrapper during false start?
Diffusion Air Purpose in DLN2.6
Posted by Aptx4869 on 11 April, 2017 - 10:14 am
Purpose of Diffusion Air in DLN2.6
Calculating Compressor Ratio
Posted by khoriwal000 on 11 April, 2017 - 9:41 am
How to calculate air pressure at any of the compressor stage?
Ex nAC Device in Enclosure Ex e
Posted by MMlukas on 11 April, 2017 - 2:27 am
I want to use an Ex nAC device in Ex e enclosure.
Calculating the Exhaust Temp Spread On Gas Turbines
Posted by engr_adnan05 on 10 April, 2017 - 10:10 pm
This is the video made by me for those who want to know the method to calculate exhaust temperature on gas turbines.
Sensor for Gravity Flow Measurement
Posted by Perry Hickey on 9 April, 2017 - 6:24 pm
Can any one suggest the most suitable instrument for Flow measurement under Gravity flow conditions for distillate from oil
LEL Detectors Regulations in Europe and USA
Posted by MaratEngineer on 8 April, 2017 - 5:29 am
Reference to European and USA standards for placing of LEL detectors in oil and gas plants.
Flow Rate and Pressure in Parallel Pipe System
Posted by gr15 on 7 April, 2017 - 4:44 pm
How to make a water sensor with Maxlimit - 60 Litres/min and Pressure <1.7Mpa work on water line with flow of 300 Litres/min and to figure out the total water flow and record it like a water meter would do.
Controlling a Induction Heating Power Unit
Posted by niccc on 7 April, 2017 - 8:28 am
Controlling a 0-10 V module for Power Unit Control
Phoenix Relay Sticking
Posted by panthripu on 7 April, 2017 - 6:30 am
Phoenix relay in PLC output getting stuck..
Need Advice in Choosing a New SCADA Package
Posted by cyberunlimited on 6 April, 2017 - 5:47 pm
I need Pros and Cons concerning the SCADA Packages that will fit my needs.
Mark V 96FG-6 Transmitter Issues on S Core
Posted by RSolo on 6 April, 2017 - 4:39 pm
96FG-6 is not reading correctly. <R> and <T> are similar while <S> appears dropped out.
PTB Sensor Check
Posted by Jsalve on 6 April, 2017 - 1:23 pm
Can I calibrate PTB sensor with a water pump?
MK4 Communication Protocol
Posted by me on 6 April, 2017 - 8:44 am
Is there any communication protocol document for these device or a test application?
Scaling an Analog Input
Posted by zishanN on 6 April, 2017 - 6:48 am
how do i scale an analog input? Please explain everything in steps with some examples.
Honeywell TDC 3000 Documentation
Posted by ammar_yasir on 5 April, 2017 - 1:37 pm
Looking for Honeywell TDC 3000 documentation for pin instructions
HP HMI for Material Handling
Posted by althomas49 on 5 April, 2017 - 8:57 am
Looking for advice on using High Performance HMI graphics in Material Handling Applications.
Jenbacher Diane XT Sudden Reboot Problem
Posted by nomankhalid on 5 April, 2017 - 3:43 am
Problem with GE Jenbacher generators where Jenbacher Diane XT installed on all 3 control panels of the generators suddenly reboot.
Posted by Rajeshbaby on 5 April, 2017 - 2:25 am
VCMI IO STATE EXCHANGE FOR <S> FAILED alarm in frame 9E DLN Gas Turbine with Mark 6 control
Delta P Shut Off for Control Valve
Posted by raja_cshah on 4 April, 2017 - 11:46 pm
What is the significance of Maximum Delta P shut off for valves? Why due to high DP across valve, it will not allow to open the valve?
Field Bus Communication Failure
Posted by Abdul Rahim Hsino on 4 April, 2017 - 11:38 pm
Foundation Field bus (FF) - Input Open (IOP) issue.
GE 6B Bottle Test
Posted by 6bturbinetech on 4 April, 2017 - 8:41 am
Question on GE6B SRV/GCV leak test.
I and C Challenges in GT Driven Compressor Package
Posted by Jagrut_Vora on 4 April, 2017 - 4:56 am
Quick check points for consideration during the Instrumentation Engineering for GT Driven Compressors in LNG Plant.
Automating a Motor Controlled Valve Using a PID Controller
Posted by revamp on 4 April, 2017 - 4:35 am
I currently have a situation wherein I have to use a PID Controller to control a motorized valve
Mark Vie Fast Close Solenoid
Posted by brighton on 3 April, 2017 - 10:43 pm
What is the signal to trigger MarkVie, CV, MSV, RSV, IV fast close?
Shutdown and Blowdown Valves in Oil and Gas Processing
Posted by Oladayo on 3 April, 2017 - 5:40 pm
Looking for safety information on Shutdown and Blowdown Valves
Retriving Data from Mettler Toledo 1769-ASCII to IND560 Interface
Posted by maruscitto on 3 April, 2017 - 5:22 pm
Retrieving weight data from a Mettler Toledo to a CompactLogix 5370 processor.
DANFOSS AK-SC255 XML Communications
Posted by bryansteer on 3 April, 2017 - 5:20 pm
Where is the Device ID for Danfoss AK-SC255
GE Mk IV Power Supply Question
Posted by meldenton on 3 April, 2017 - 3:44 pm
Looking for information about newer GE Mk IV power supply, DS3820PSCB1B1B
How to Analyze a Safety Circuit
Posted by plcacademy on 3 April, 2017 - 12:29 pm
How do I analyze a safety relay circuit to understand how it works?
Fuel Gas Volume Flow Compensation Formula
Posted by hany5757 on 3 April, 2017 - 11:37 am
need to know the source of this equation: Fcomp = Funcomp X √((Pop/Pd)X (Td/Top)X (Gd/Gop)) for fuel gas flow reading at standard conditions?
PID Control Alternatives in Electro-mechanical Applications
Posted by leodavinci1990 on 3 April, 2017 - 11:33 am
What are Modern Alternatives to PID control in electromechanical systems and how are they different?
Modbus Sniffer Software
Posted by lallo65 on 3 April, 2017 - 6:53 am
Sniffer SW for Modbus via radio with communication problems.
Gas Turbine Stator Temperature Sensors
Posted by davidmcc on 3 April, 2017 - 4:25 am
GE Frame 6B stator temperature sensor replacement
GE Steam Turbine Trip Anticipator Test
Posted by quangnguyenpp on 3 April, 2017 - 3:58 am
Mark Vie, Steam turbine, trip anticipator test
BLU 100-D Controller
Posted by Derek Freeman on 2 April, 2017 - 2:45 pm
Looking for a BLU 100-D motion controller
Plug and Butterfly Valves
Posted by B N Vala on 2 April, 2017 - 7:43 am
What are the common features between plug valve and butterfly valve?
Configuring Altivar 12 Remotely Using Logic Inputs
Posted by rs on 1 April, 2017 - 12:22 pm
I am really lost with all the settings needed to get an Altivar 12 working the way I want it to do..
Differences between Servo and Vector PLCs
Posted by subhajitaich93 on 30 March, 2017 - 10:13 am
Differences between Servo PLC and Vector PLC and between Servo Inverter and Vector Inverter
Rotational Direction of a Turbine Generator
Posted by Saul on 29 March, 2017 - 3:40 pm
Could you please help me clarify if the rotational direction of a turbine is always the same.
TRICONEX 3806E AO Card Issues
Posted by Syed on 29 March, 2017 - 2:42 pm
TRICONEX AO CARD 3806E load fuse error
Valve Sizing Equation
Posted by Saulo3535 on 29 March, 2017 - 1:11 pm
Puzzled by equation Q(SCFM) = 16.05 Cv ((P1^2 - P2^2)/ SGg T)^0.5
How Does Imbalance in Transformer Secondary Affect Primary
Posted by davidmcc on 29 March, 2017 - 9:34 am
If a neutral current flows to earth on the secondary of a delta to star step down transformer, how are the primary currents affected?
Radar Level Transmitter Fluctuation
Posted by VKGUPTA on 28 March, 2017 - 6:35 am
Guide Wave Radar Level Transmitter fluctuation
Turbine Compartment Ventilation
Posted by khoriwal000 on 27 March, 2017 - 11:24 pm
Gas turbine compartment temperature
Torque Converter and Turning Gear System in Gas Turbine
Posted by Tiru on 27 March, 2017 - 12:34 pm
Need to know about torque converter and turning gear system in gas turbine.
Programming SCL on Omron
Posted by TrustTech on 27 March, 2017 - 4:36 am
I need help to resolve a problem with a program using structured text on a Omron CJ2M CPU31
Siemens S7-400 Downloading Issues While Test Mode On
Posted by Placido on 27 March, 2017 - 3:13 am
Issues while performing download to an S7-400
How To Get Certified by GE?
Posted by melabd on 26 March, 2017 - 7:19 am
I want to get certified by GE as a technical field advisor?
Fire Alarm Monitoring in Triconex?
Posted by Femi on 24 March, 2017 - 10:14 am
Triconex interface that connects to fire alarm control panel
Gas Turbine High Temperature
Posted by Engineer Sonny Amaiko on 24 March, 2017 - 3:14 am
When gas turbine load reaches 1 MW high temperature occurs
Wiring Up 7 Emergency Stops on a Conveyor
Posted by GregR on 22 March, 2017 - 11:57 pm
Looking for a diagram for wiring emergency stops on a conveyor.
Generator Enclosure of GT LM6000
Posted by alonxo on 22 March, 2017 - 4:56 pm
We have negative pressure in generator enclosure with one fan, the other fan works with positive pressure.
Temperature Controller
Posted by subhajitaich93 on 22 March, 2017 - 3:00 pm
TZN4S temperature controller controls the temperature of heat sealer. While running process value deeps in from the set value and after sometime it resettles sensor attached with is a thermocouple.
Pump Suction Pressure Frequently Increase and Decrease
Posted by Mahabub on 22 March, 2017 - 7:01 am
In Boiler Feed water Pump all the time pump suction pressure increase and decrease. Why this is happening and how we can overcome the problem.
Emergency Shutdown Valves Hydrostatic Cycling Test
Posted by khalid Idris on 22 March, 2017 - 6:41 am
I am looking for Emergency shutdown valves hydrostatic cycling test reference.
Best way to Communicate Between Honeywell TDC3000 and Triconex PLC via ePLCG
Posted by govoniman2010 on 22 March, 2017 - 4:16 am
What considerations should be taken?
Bentley Nevada Vibration Probes Faulting
Posted by support on 21 March, 2017 - 4:58 pm
Bentley Nevada Vibration Probes and key phasor fault
Analog Input Module Question - RTS & RPI
Posted by dirtyc on 21 March, 2017 - 4:29 pm
Difference between RTS and RPI in an analog input module
YorkShire YSF6 Circuit Breaker Issues
Posted by Wayneski on 21 March, 2017 - 2:26 pm
YorkShire YSF6 circuit breaker Manual and drive shaft fault
Absolute Pressure Transmitter Calibration
Posted by Moromi on 21 March, 2017 - 2:17 pm
Looking for calibration procedure of Rosemount 3051S1TA absolute pressure transmitter
Cobots Collaborative Robots
Posted by BillyMac on 21 March, 2017 - 7:42 am
Looking for people's experiences with Cobot robot/PLC integration
Symbol Table for Step 7
Posted by Lotos on 21 March, 2017 - 7:29 am
I'm beginner with step 7, need some help creating a symbol table.
GE EX2100E Documentation Needed
Posted by melabd on 20 March, 2017 - 6:54 pm
Looking for Ex2100e and Ls2100e documentation
Developing Criterion for Plant and Model Using Model Predictive Control (MPC)
Posted by Rex on 20 March, 2017 - 12:54 pm
What criterion my plant and model need in order to have good control outcome with Model predictive control (MPC)?
Anti-static Device in Ball Valve
Posted by Mohamedibr752 on 20 March, 2017 - 10:21 am
Testing anti-static device in ball valve after valve overhaul
How Many Devices in Serial on a Set of CT
Posted by Saul on 19 March, 2017 - 10:55 am
We want to add some measurement devices at the secondary of a set of CTs. Is it possible without perturbing the measurements?
Tower Lighting
Posted by Ajanthika on 18 March, 2017 - 8:35 pm
I have access to a 325' tower for my remote station, and like to assist the tower owner where possible. The tower lighting is controlled by a light sensitive switch working a relay which actually controls the lights.
Modbus RTU on Allen Bradley MicroLogix 1400
Posted by p g ray on 18 March, 2017 - 11:53 am
Modbus RTU with MicroLogix 1400 as master and Eurotherm controllers as slave. Communication is slow or stops when one or more slave is off or error.