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Sunday, May 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
4
replies
Excitation limit operating Alarm
Posted by Fathi Hadloul on 9 May, 2014 - 10:25 am
Excitation limit operating alarm and performance load test
2
replies
Option to run AC lube oil in manual YES OR NO
Posted by Craig on 9 May, 2014 - 1:30 am
Should we have the option to run in local?
4
replies
Can I Use The Same Instrument for Boiler Protection and Boiler Control?
Posted by Glenn on 9 May, 2014 - 1:03 am
Is it a violation to use the same instrument for boiler protection and boiler control (e.g. drum level)?
Redundant G60 Relays for Generator Protection
Posted by Muhammad Kashif Idrees on 9 May, 2014 - 12:49 am
We are planning to replace existing GE make electro-mechanical type relays for protection of 31375kVA GE generator with Multi function G60 Numerical relay. Should we install two G60 relays for protection of one generator?
1
reply
Emerson CSI 6500 to ControlLogix PLC
Posted by ABeng80 on 8 May, 2014 - 3:29 pm
Emerson CSI 6500 Vibration Monitor needs to talk Modbus TCP to ControlLogix PLC
Arc Flash furnaces in smelters with current inrush and re-strikes
Posted by scientif on 8 May, 2014 - 7:16 am
Arc Flash furnaces in smelters with current inrush and re-strikes
3
replies
pulse scale factor
Posted by Hoo on 8 May, 2014 - 3:41 am
pulse scale factor
Need help scaling Tridium Niagara AX front end with Modbus TCP points
Posted by TJmustangTJ on 7 May, 2014 - 4:45 pm
I have a Wonderware Intouch front end with Modbus TCP points that I am replacing with Tridium Niagara AX.
3
replies
4-20 ma HART Transmitter
Posted by gct on 7 May, 2014 - 4:10 pm
HART transmitter showing only 4 ma or 3.9 ma but it should show 12 ma as per process variable indicated in HART communicator.
7FA H2 Purge
Posted by Tom Murphy on 7 May, 2014 - 3:33 pm
7 FA Purge in preperation for a Magic Inspection for the Generator.
3
replies
Thermocouple extension wire resistance
Posted by Farzin on 7 May, 2014 - 10:39 am
Thermocouple extension wire resistance
4
replies
Multiple Controllers on one RTD
Posted by FredS on 7 May, 2014 - 8:19 am
How can I use the same RTD for more than one controller?
Trifoiling problem of cables
Posted by Suresh on 7 May, 2014 - 4:45 am
Trifoiling of power generation cable was done incorrectly during commissioning, which causes heating of the cables and results in cable fault.
Honeywell connection an output Scada point to a PID Block?
Posted by Mostafa Qasemi on 6 May, 2014 - 2:57 pm
how connect an output Scada point to OP PID Block in control module?
1
reply
OPC Server Performance optimization
Posted by HBAttila on 6 May, 2014 - 1:26 pm
How can I optimize OPC server Performance?
Multihole orifice plate
Posted by Asok Kumar Hait on 6 May, 2014 - 11:20 am
User experience in use of multihole (conditioning) orifice plate
5
replies
Why Synchronize to a Dead Bus?
Posted by SSU on 6 May, 2014 - 9:56 am
What is a Dead Bus and why Synchronize to it?
3
replies
Synchronizing to a Dead Bus
Posted by Ahmed on 6 May, 2014 - 6:45 am
Valve Kick when synchronizing to a Dead Bus
3
replies
Floating point in little endian can be read in big endian but value not same.
Posted by PT on 6 May, 2014 - 5:23 am
Reading IEEE little endian format data
3
replies
Modbus connect with Android via TCP
Posted by Sabarreesh on 6 May, 2014 - 4:17 am
we can connect android APP with modbus simulator (mod_RSsim.exe) using socket connection. but we couldn't write and read values from registers using functions from "jamod-1.2-SNAPSHOT.jar". we got output like this 00 00 00 00 00 06 00 03 00 00 00 00
Critical Turbine control data over Ethernet
Posted by Curious George on 6 May, 2014 - 2:33 am
Throttle critical values over ethernet?
2
replies
Ground to Neutral Voltage-Limit
Posted by ASHUTOSH KUMAR on 6 May, 2014 - 2:28 am
DCS floating voltage failure damaging workstation motherboard
Modbus RTU Serial Trunkline 'Taps'
Posted by John Moraes on 5 May, 2014 - 7:05 pm
Looking for 'Taps' for Modbus serial 4 wire trunkline.
1
reply
Mark V Scan rates
Posted by William Monson on 5 May, 2014 - 1:04 pm
How can the scan rate on the SCADA and the Response time of the transmitter be knitted together?
3
replies
Modbus TCP communication via RS232 to TCP converter
Posted by bassambassam on 5 May, 2014 - 11:31 am
How can i configure a communication between WINCC V7.0 and a controller through a RS232 to TCP converter??
70
replies
Getting a better understanding of gas turbine control
Posted by Neo on 5 May, 2014 - 8:28 am
How to get a better understanding of gas turbine control?
1
reply
Load rejection in triple shaft turbines
Posted by hh on 5 May, 2014 - 7:37 am
Triple shaft turbines that have load rejection mode?
Instrument cable earthing
Posted by Jomin on 5 May, 2014 - 3:49 am
Requirement of cable gland earthing.
1
reply
What are the steps to synchronize while operating on house load
Posted by AliAdil on 4 May, 2014 - 1:36 am
What are the steps to synchronize while operating on house load (in Frame 6 Mark VI-e control)
Calling up filtered alarm list
Posted by Mostafa Qasemi on 3 May, 2014 - 2:28 pm
Creating a filtered alarm list in Honeywell HMI station
1
reply
seeking better understanding of how generator works
Posted by Ugene on 3 May, 2014 - 12:58 pm
seeking better understanding of how generator works. An inquisitive mind awaits enlightening.
9
replies
Negative phase sequence
Posted by Shahed on 3 May, 2014 - 7:33 am
Alternator Negative sequence volt are showing 100% while positive sequence volt are showing 0%.
Zebra printer communicate with Delta PLC
Posted by yogeshwar on 3 May, 2014 - 3:01 am
Communicating between a zebra printer with a Delta PLC for Labeling Application.
2
replies
Guardlogix Controller
Posted by tharun on 2 May, 2014 - 4:47 am
What is the difference between a Rockwell Guardlogix controller and a Rockwell ICS triplex AADvance Controller in terms of Functional safety?
3
replies
Reheater Steam turbines Valves
Posted by raul on 2 May, 2014 - 12:56 am
Why is the first Control valve after stop valve?
Generator damper control
Posted by Luap on 1 May, 2014 - 8:22 pm
Changing from pneumatic damper control to electronic damper control
Reading Data from a Scale with Quantum Unity Pro and 140 ESI 062 010 Card
Posted by bmrinell on 1 May, 2014 - 1:29 pm
Reading ASCII Data from Weigh Bin Scale with Quantum Unity Pro and 140 ESI 062 010 Card
DCS Clock Malfunction
Posted by Muthu on 1 May, 2014 - 1:07 pm
Can the malfunctioning of the GPS clock trigger the ESD bits and shutdown the running plant?
4
replies
EEx 'd' or IS
Posted by MJ on 1 May, 2014 - 6:43 am
What are the criteria in deciding between EEx 'd'/'e' and Intrinsically Safe?
4
replies
how to detect over pressure
Posted by tapas on 1 May, 2014 - 5:27 am
Sensor for detecting if pressure is out of 4 to 6 bar inside a pneumatic pipe
Formula for Chemical Dosing
Posted by Fred Ramos on 30 April, 2014 - 11:19 pm
formula to use for Calcium Nitrate concentration?
1
reply
how to send floating point numbers using the ModbusRTU protocol?
Posted by MrChampion on 30 April, 2014 - 7:14 pm
how to send floating point numbers using the ModbusRTU protocol?
Wireless Sensor Networks for Industrial Applications Workshop (WSNIA'14) Call for Papers, Due on May 30th, 2014
Posted by WSNIA'14 Organizing Committee on 30 April, 2014 - 11:11 am
Call for Papers/Posters: 2014 International Workshop on Wireless Sensor Networks for Industrial Applications (WSNIA-2014), August 17-20, 2014, Niagara Falls, Ontario, Canada.
4
replies
Linux Ethernet/IP Driver
Posted by Bob Peterson on 30 April, 2014 - 9:29 am
How to use Red Hat Linux to collect data directly from Allen-Bradley CompactLogix PLCs?
Beginner in HAZOP study
Posted by HH on 30 April, 2014 - 7:36 am
What standards and codes are there for HAZOP?
2
replies
Transmission line safe distance from Gas Vent tower
Posted by Danish on 29 April, 2014 - 4:43 pm
220 KV transmission line safe distance from the Gas vent tower.
2
replies
Ratchet fails to brake Frame-5 Gas Turbine
Posted by Krishna on 29 April, 2014 - 2:25 am
Ratchet motor with cooldown ON fails to brake the Gas Turbine rotor.
1
reply
ABB / Bailey Conductor NT
Posted by Anthony Porter on 28 April, 2014 - 6:45 pm
Upgrading from Conductor NT 6.0 to Symphony Plus?
2
replies
Converting an Integer to S5Time in Access
Posted by Rudi on 28 April, 2014 - 11:16 am
Need to convert a integer in access or SQL to a S5Time format
4
replies
Boiler Drum Level
Posted by farhan on 28 April, 2014 - 9:07 am
Boiler Drum Level measurement/securities
1
reply
OSI PI Engineering units conversion in GE Control System
Posted by Shaker Hashlan on 28 April, 2014 - 5:56 am
Stuck with the US engineering units
Communication between INTOUCH and ABB ACS550
Posted by Chandler Chen on 28 April, 2014 - 4:48 am
INTOUCH ABB ACS550
2-car train system on inclined plane
Posted by Michael Kruger on 28 April, 2014 - 3:43 am
State equations of a 2-car train connected with spring on an inclined slope.
2
replies
Call up group trend in Honeywell Station
Posted by Mostafa Qasemi on 28 April, 2014 - 1:10 am
When calling up a group trend in Honeywell station pushbutton in HMI it does not go to correct group.
2
replies
Vibration Trip
Posted by Adeel Imtiaz on 28 April, 2014 - 12:04 am
Vibration probes wire disconnection effect.
1
reply
Transformer Multiple Grounding
Posted by Jack on 27 April, 2014 - 8:36 pm
Paralleling Transformer earthing connection
6
replies
Comparing steam flow and feedwater flow
Posted by MattQ on 27 April, 2014 - 2:33 pm
Looking to find out how a comparison of feedwater flow and steam flow is made.
2
replies
GSM Protocol and MARK VI
Posted by Ahmed samy on 27 April, 2014 - 7:08 am
GSM connection between mark VI and Ovation
2
replies
Does IEC61511 allow an ESD system on a control network?
Posted by PC Tan on 27 April, 2014 - 6:51 am
Does IEC61511 allow an ESD system to be resident on a control network?
1
reply
Honeywell scrip language
Posted by Mostafa Qasemi on 26 April, 2014 - 12:30 pm
How can we learn Honeywell Scrip language?
Modicon M340 TCP Communication
Posted by Kamil ozkan on 26 April, 2014 - 1:04 am
Communication between Modicon M340 PLC and Weintek HMI via MODBUS TCP
1
reply
Comparing the model of BLDC with a real BLDC motor
Posted by Sweta on 25 April, 2014 - 5:13 am
Where do I start to compare a model of bldc motor with a real one?
1
reply
Distance Protection
Posted by Santanu on 25 April, 2014 - 2:09 am
What is the principle of operation of Distance Protection?
2
replies
Under frequency protection of Generator connected to infinity bus
Posted by Santanu on 25 April, 2014 - 2:06 am
Why are there under frequency or over-frequency protection trip in Generator connected to infinity bus?
1
reply
Flame stability
Posted by Napster225 on 25 April, 2014 - 12:50 am
Significance of flame profile
JimPinto.com eNews 25 April 2014
Posted by Jim Pinto on 24 April, 2014 - 8:24 pm
The latest JimPinto.com eNews is on the web
7
replies
OPC tags stop updating...start once the tags are added again
Posted by lalas on 24 April, 2014 - 3:54 pm
Using an OPC client, the values stopped updating after a while (20 days).
Water Treatment Plant Iconic Load
Posted by S D Jana on 24 April, 2014 - 3:37 pm
DM stream ionic load is lower than design in water treatment plant
1
reply
HP & LP speed in GE gas turbine
Posted by GE on 24 April, 2014 - 12:38 am
What is the difference between HP & LP speed
4
replies
Modbus mapping registor reading at register plus 1
Posted by rajesh patil on 23 April, 2014 - 2:28 pm
why the modbus mapping register is visible at register address +/- 1 address.
4
replies
Mark Vie PPDA IO Pack Fault
Posted by kwaku on 23 April, 2014 - 10:22 am
PPDA I/O pack on PDM card faulty?
2
replies
Modbus Converters
Posted by dodgeybro on 23 April, 2014 - 6:33 am
Modbus Gateway v's Modbus Servers and Protocol converters.
1
reply
Bently Nevada axial vibration due to lightening strike
Posted by Kamran Shamim on 23 April, 2014 - 2:58 am
Technical query - Bently Nevada axial vibration due to lightening strike
Triconex system
Posted by HAIRI on 23 April, 2014 - 1:48 am
What happens when Triconex system CPU fails?
1
reply
How To connect Vijeo citect with Untiy Pro XL
Posted by rizki on 23 April, 2014 - 12:55 am
help me to connect Vijeo citect and unity pro xl
2
replies
Thermocouple readings problem
Posted by Michelle on 22 April, 2014 - 10:22 pm
Took temperature readings with J thermometer but only had K type wire!
Winding Resistance Measurement - Delta Connected Transformer
Posted by GRJS on 22 April, 2014 - 8:56 am
Measuring winding resistance in a delta connected transformer.
2
replies
S7 PLC as a MODBUS slave
Posted by Fatima on 22 April, 2014 - 8:29 am
would like to make S7 PLC as a MODBUS slave and a PC Master MODBUS
1
reply
Unity Pro communications
Posted by Bhadresh Sarvaiya on 22 April, 2014 - 6:49 am
Need help for communication of NOE with M340.
MODBUS Function code
Posted by Hemant on 22 April, 2014 - 3:16 am
MODBUS function code of address word
2
replies
Calculating LRV/ URV of a Bubbler Level System
Posted by Kazim on 22 April, 2014 - 12:56 am
How do you calculate the LRV and URV of a Bubbler type Level Transmitter?
1
reply
MODBUS COMPATIBILITY ISSUES WITH WINDOWS 7
Posted by SALIH SMA on 21 April, 2014 - 7:58 am
We are facing problem with Modicon MODBUS Serial IO Server 7.5 (7.5.0.7) with win7 as compatibility issues.
Dwyer flow switch information
Posted by farzadad on 21 April, 2014 - 3:42 am
dwyer obsoleted flow switch
8
replies
Turbine Throttle Pressure and 1st Stage Pressure
Posted by BrownPaper on 20 April, 2014 - 11:34 am
Difference between throttle pressure and 1st stage pressure
Easter Greetings
Posted by Phil Corso on 20 April, 2014 - 11:30 am
Easter Greetings
3
replies
Modbus via microcontroller
Posted by Ed on 20 April, 2014 - 2:40 am
Communicating with device via Modbus RTU through a microcontroller.
1
reply
ACC Module on Mark V
Posted by Jose Sanchez on 19 April, 2014 - 10:58 pm
Library for instrutions about the keypad on ACC Module in <R> <C> procesors
Upgrading Siemens PCS7 V 6.1
Posted by RAB on 18 April, 2014 - 6:41 pm
Can you plz suggest the best solution to upgrade Siemens PCS7 to latest version?
Formula for steam flow in venturi tube
Posted by RAB on 18 April, 2014 - 6:27 pm
Required exact formula to calculate flow in a venturi tube
4
replies
exhaust spread
Posted by BBSALO on 18 April, 2014 - 4:51 pm
Why monitor the exhaust spread of a frame 9E gas turbine
1
reply
Driving a Stepper Motor
Posted by Hans on 18 April, 2014 - 3:40 pm
I am seeking advice on the best methods to effectively control a stepper motor.
1
reply
Do I Understand PID's?
Posted by Piedon on 17 April, 2014 - 9:58 pm
Just want to see if I understand these things.
Software suggestions
Posted by Centrafused on 17 April, 2014 - 8:04 pm
New to automation and searching for a simple solution on some safety concerns.
1
reply
Communication between Speedac NXT weighing Controller and Honeywell Scada
Posted by RKM on 17 April, 2014 - 3:15 pm
Speedac NXT controller is not communicating with Honeywell Server via RS 485 serial communication.
7
replies
Vitec Vibration probe
Posted by NVS on 17 April, 2014 - 12:27 pm
Installing Vitec 4033-500 in place of 4033-400 velocity transducer
ML1400 PLC communicate PIC 16f874 over modbus protocol
Posted by Srinivas on 17 April, 2014 - 11:02 am
ML1400 PLC communicate with PIC 16f874 over modbus protocol and write data to LCD connected to microcontroller
6
replies
SynGas Conversion Project
Posted by Abhishek on 17 April, 2014 - 5:20 am
Pointers for Syngas Conversion project in India
3
replies
Hall/Magnetic Sensor
Posted by Biju CG on 17 April, 2014 - 4:10 am
Hall Sensor Replacement Failed !
7
replies
Can I say my device is MODBUS-RTU compaible when.....
Posted by Detlev Neumann on 17 April, 2014 - 4:09 am
Could I say that with the following facts my device is MODUS-RTU compatible
Standard for temperature measurement
Posted by Mahmoud Sallam on 17 April, 2014 - 12:00 am
Location of temperature measurements (problems)