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from the Brain Dump department...
Control.com Post Archive
Local and wide area networking in factory automation. topic
Posted by P Paul on 3 July, 2014 - 11:58 am
RS485 multidrop network drops after few days
Modbus connections drops after few days and it resumes by changing modbus parameters in slave device.
Engineering and workplace issues. topic
Posted by Clay Robbins on 3 July, 2014 - 11:54 am
Liability?
Am I personally liable if I build a machine without safety features to prevent an operator from getting hurt?
Engineering and workplace issues. topic
Posted by ANWESHA on 3 July, 2014 - 4:08 am
Reading text information from OPC to yokogawa CS3000
Is it possible to read text/string from OPC to CS3000 in some way?
I would like to read a Batch number which is scanned and fed to OPC and display in the graphics of CS3000.
Is that possible?
Engineering and workplace issues. topic
Posted by Biky on 3 July, 2014 - 1:38 am
Junction Box Ex 'e' 'p' Calculation
Looking for a junction box Ex 'e' 'p' Calculation
Engineering and workplace issues. topic
Posted by JBMichael on 2 July, 2014 - 3:40 pm
GFCI
I would like to install a GFCI in a control cabinet for a CNC machine.
Motion control, servos, steppers, etc. topic
Posted by xibalban on 2 July, 2014 - 3:21 pm
Maintaining constant RPM
Energy stored in wounded spring!
Continuous process industries, DCS questions. topic
Posted by GARY on 2 July, 2014 - 2:01 pm
ABB acs800M
we are using acs800M drives we are loosing the capacitor banks regularly in the filter unit in the convertor side. what could be the reason for these regular blast outs of capacitors and how can we control it .
Communications systems and equipment. topic
Posted by yazooka on 2 July, 2014 - 11:16 am
variable frequency drives, usb-to-rs232
multiport USB-to-RS232 to communicate with VFDs
Human-Machine Interface and SCADA. topic
Posted by Chris Jennings on 2 July, 2014 - 5:50 am
Re: Wonderware windowviewer issue
Wonderware windowviewer issue
Continuous process industries, DCS questions. topic
Posted by vashstampede1321 on 2 July, 2014 - 4:00 am
master controller MPC 3000
Having problems looking for schematics for a MPC3000 microprocessor based master controller ..i hope someone could help me out..
Engineering and workplace issues. topic
Posted by Remi Van Damme on 2 July, 2014 - 1:15 am
modbus-scada
is it possible in a modbus network to have a SCADA system which polls for data from the slaves and another SCADA system which also collects data from the same slaves?
Engineering and workplace issues. topic
Posted by Marie on 1 July, 2014 - 6:35 pm
Best Instrument for Measuring Air Flow at HVAC supply/return grilles
In a confined space without much room what works better to measure air flow at a supply or return grille, a hot wire anemometer or a rotating vane anemometer. Do you need to take multiple measurements and average them in using both instruments?
Software, including programming, OS issues, etc. topic
Posted by Frozenlock on 1 July, 2014 - 3:01 pm
Free BACnet explorer and webserver
I developed an open source BACnet software... I'm spreading the love ;-)
Power generation equipment control. topic
Posted by Uniport on 1 July, 2014 - 6:06 am
fault during synchronizing two generator set
High amps generated in generator during synchronization on NO LOAD.
Human-Machine Interface and SCADA. topic
Posted by Old Guy on 30 June, 2014 - 10:17 am
Multiple monitor one mouse
Operator has 2 computers each driving 4 monitors for a total of 8 monitors. Operator wants one mouse/keyboard for all 8. Anyone use "mouse without borders?"
Continuous process industries, DCS questions. topic
Posted by Matt Helm on 30 June, 2014 - 9:11 am
"Cushion arm" moves to soon, intermittently. Cause unknown and damaging product.
I have a receiving cushion that intermittently enters its down motion too early causing damage to the product. It is so intermittent that it's impossible to nail down the cause.
PLCs and related questions. topic
Posted by Satoshi Sakai on 30 June, 2014 - 6:54 am
Connection closing in Modbus-TCP
I would like to know if Modbus-TCP connection should be opened/closed in every command sending or not.
Human-Machine Interface and SCADA. topic
Posted by Daniel on 30 June, 2014 - 4:31 am
Wonderware windowviewer issue
Windowviewer only shows top.
Sensor technologies. topic
Posted by Joe on 29 June, 2014 - 7:10 am
How to measure tank level through differential pressure
Differential pressure as tank level incorrect reading
Engineering and workplace issues. topic
Posted by Not applicable on 29 June, 2014 - 3:54 am
Generator capacity
Calculation of capacity of generator.
Motion control, servos, steppers, etc. topic
Posted by amin on 29 June, 2014 - 1:24 am
Aeg minisemi dc drive
i need a user manual for Aeg minisemi dc drive.
Power generation equipment control. topic
Posted by aldorian on 28 June, 2014 - 7:46 pm
What is the expected speed after a ST SC5 at full load
I would like to know what is the expected speed follow up a trip in a SC5 steam turbine.
PLCs and related questions. topic
Posted by tn on 28 June, 2014 - 4:52 am
HIMA plc: downloading error
error code 166
Power generation equipment control. topic
Posted by BND on 28 June, 2014 - 4:31 am
GE Gas Turbine IGV angle
What is the logic? GTG is not operating in Temperature Control mode.
Motion control, servos, steppers, etc. topic
Posted by Bilash Khatua on 28 June, 2014 - 4:00 am
Variable frequency AC Drive
How load in form Torque varies with speed.............
Continuous process industries, DCS questions. topic
Posted by dvigneshwer on 27 June, 2014 - 2:38 am
Standards that have to be maintained by a microcontroller based control unit
Standards that have to be maintained by a microcontroller based control unit for electrical equipmets and products
PLCs and related questions. topic
Posted by dvigneshwer on 27 June, 2014 - 1:30 am
3 feeder system: PLC vs. Microcontrollers
hardwired 3 feeder system with control system in a remote place
Continuous process industries, DCS questions. topic
Posted by Jacob on 26 June, 2014 - 11:20 pm
Modeling system with P controller a 4-20mA valve
Modeling system with P controller a 4-20mA valve
Power generation equipment control. topic
Posted by MAZEN SHANABEASH on 26 June, 2014 - 6:07 pm
local workstation for gas turbine
difference between ALLEN BRADLEY workstation cat no. 6160-PCD466A, and ALLEN BRADLEY workstation cat no. 6160-PCD2B
Human-Machine Interface and SCADA. topic
Posted by gil on 26 June, 2014 - 10:10 am
intouch
Animation by intouch
Continuous process industries, DCS questions. topic
Posted by Waqar Ahmed on 26 June, 2014 - 3:18 am
Instrument Control Loop
Maintenance procedure of process control loop.
Power generation equipment control. topic
Posted by ReferenceMaker on 25 June, 2014 - 12:30 pm
Aero GT Maint Intervals
How are the intervals between major maintenance outages calculated for Aero GT's?
Engineering and workplace issues. topic
Posted by Sanjay Solanki on 25 June, 2014 - 11:54 am
GT not running at 100% rated RPM in Isochronous mode.
GT is not running at 100% rated speed when run in Isochronous mode but runs at 100% rated RPM when run in Droop mode.
PLCs and related questions. topic
Posted by amir qadri on 25 June, 2014 - 11:02 am
solartron 7915 flow computer
solartron flowcomputer 7915 showing error message bad ram checksum error, but it is working normal, printer is continuous writing, bad checksum error.
Engineering and workplace issues. topic
Posted by skilash on 25 June, 2014 - 10:28 am
Seal Oil/Hydrogen Differential Pressure
High generator seal oil flow, empty seal oil vacuum compartment, fluctuating differential pressure, high seal oil pump discharge pressure
Application Questions and Problems topic
Posted by Raphael on 25 June, 2014 - 7:05 am
Gas detection on Flowlines - Pin Hole leaks
During the meeting late last week, it was asked if there is a possibility to site some gas detectors (or something) near the more critical of the welds to allow pin hole gas leaks detection by something other than the Operators' nose.
Application Questions and Problems topic
Posted by Thira on 25 June, 2014 - 2:02 am
I/O's Suppported by ABB RTU 560
Maximum number of I/O's supported by ABB RTU 560
Sensor technologies. topic
Posted by A. Castolina on 24 June, 2014 - 9:45 pm
Shorten The Range Of Thermocouple
How to shorten the range of Thermocouple in order to have a better acuuracy in reading
Communications systems and equipment. topic
Posted by Curt Wuollet on 24 June, 2014 - 8:24 pm
Re: COMM: RS-485 Communications
RS-485 Communications with Standing Waves
Power generation equipment control. topic
Posted by sriram surya on 24 June, 2014 - 7:54 pm
GE 9fa Generator Control
GE 9fa Generator Control
Communications systems and equipment. topic
Posted by Bill Dolan on 24 June, 2014 - 1:47 pm
RS-485 Communications
RS-485 Communications with Standing Waves
Software, including programming, OS issues, etc. topic
Posted by Roberto on 24 June, 2014 - 10:54 am
Control MOXA IOLogik via TCP
Control MOXA IOLogik via TCP
Engineering and workplace issues. topic
Posted by nimish on 24 June, 2014 - 7:06 am
Compressor Control
Our Compressor Centrifugal and we want to take safer value of the Suction pressures between two redundant Transmitters in CCC system.What Values we should consider Higher Suction Pressure or Lower Suction pressure Value with in two Tx's.
Communications systems and equipment. topic
Posted by arun patole on 24 June, 2014 - 12:10 am
modbus protocol for PC serial port to microcontroller
Communication between PC and microcontroller through serial port
Motion control, servos, steppers, etc. topic
Posted by rpicatoste on 23 June, 2014 - 12:44 pm
Encoder requirements for a motion application (low speed/holding positions)
Encoder requirements for a motion application (low speed/holding positions)
Engineering and workplace issues. topic
Posted by engineer on 23 June, 2014 - 12:04 pm
source of neutral
source of neutral
Power generation equipment control. topic
Posted by Anthony on 23 June, 2014 - 10:14 am
Power factor affecting load sharing
Recently out sailing one of my generator die down, after troubleshoot discovered my governor is faulty. After rectification and start up, alternator voltage achieve 400V instead of desired 440V.
Engineering and workplace issues. topic
Posted by Thira on 23 June, 2014 - 2:45 am
Wiring of Interposing Relay
Wiring of Interposing Relay
Engineering and workplace issues. topic
Posted by josh0206 on 22 June, 2014 - 3:39 pm
Rosemount 3051 Calibration
Rosemount 3051 Calibration
Communications systems and equipment. topic
Posted by Bill on 22 June, 2014 - 2:50 pm
MODBUS TCP slave
I need a MODBUS TCP slave library (Compact Framework 3.5 friendly).
Continuous process industries, DCS questions. topic
Posted by Dima on 22 June, 2014 - 2:02 pm
AC450 I/O signal error
Strange problem!
Human-Machine Interface and SCADA. topic
Posted by shyam on 22 June, 2014 - 9:56 am
mark 5 control system
Inlet guide vane stroke checking using demand display.
Power generation equipment control. topic
Posted by shyam on 22 June, 2014 - 9:48 am
mark 5 control system
Flame detection system in mark 5 control system.
Power generation equipment control. topic
Posted by KHAIRI on 22 June, 2014 - 3:02 am
Battery ground alarm
battery ground alarm
Software, including programming, OS issues, etc. topic
Posted by Delani on 21 June, 2014 - 7:17 pm
Download and try Unity Pro
Is there a link?
Power generation equipment control. topic
Posted by PJ on 21 June, 2014 - 3:52 pm
GT Question
why in 9E firing speed is 12% in gas fuel & 16% liquid fuel?
Power generation equipment control. topic
Posted by sangeetha on 20 June, 2014 - 11:49 pm
Should DG neutral be isolated from earth?
2000kVA 11kV/415V transformer(DYn- neutral solidly earthed) in parallel with 2000kVA 415V Diesel Generator(Star wdg - neutral solidly earthed).
Power generation equipment control. topic
Posted by Joe on 20 June, 2014 - 11:22 pm
Paralleling with Utility - Voltage rise with load
2 MW generator paralleled with utility experiences voltage rise as load increases.
Continuous process industries, DCS questions. topic
Posted by Dwayne on 20 June, 2014 - 2:59 pm
DeltaV Discrete Output control by Temperature
How to design function block diagram to control DO by Temperature
Power generation equipment control. topic
Posted by KHAIRI on 20 June, 2014 - 10:24 am
MARK VI TOOLBOOKS
Learning Toolbox
Communications systems and equipment. topic
Posted by ADAM on 19 June, 2014 - 1:34 pm
GE Multilin 369 and Kepware OPC
Which driver do I choose?
Motion control, servos, steppers, etc. topic
Posted by anurag on 19 June, 2014 - 7:35 am
automation of ac motor
problem installing timer relay for AC motor with VFD
Power generation equipment control. topic
Posted by khairi on 19 June, 2014 - 5:39 am
MCC 400 breaker
MCC breaker opened
Communications systems and equipment. topic
Posted by Frederik on 19 June, 2014 - 3:14 am
Modbus TCP communication HC900
Modbus TCP communication HC900
Engineering and workplace issues. topic
Posted by moein momeny on 19 June, 2014 - 3:09 am
PCV 5.3 lan-90
Where is the Location of PCV 5.3 lan-90 backup, both configs and data?
Human-Machine Interface and SCADA. topic
Posted by KHAIRI on 19 June, 2014 - 2:23 am
ground earth
ground earth
Power generation equipment control. topic
Posted by sms on 18 June, 2014 - 3:26 pm
Frequent switch over between FSRT to FSRN.
Frequent switch over from FSRT to FSRN and from FSRN to FSRT.
Engineering and workplace issues. topic
Posted by Sourabh on 18 June, 2014 - 2:41 pm
How to increase font size at mark-VI E monitor
Font size is very small. How to increase it?
Power generation equipment control. topic
Posted by Prasad on 18 June, 2014 - 1:12 pm
MKVI BACKUP PROCEDURE
What are the files to be backed up for emergency usage in case of system crashes?
Engineering and workplace issues. topic
Posted by Matthew on 18 June, 2014 - 12:02 pm
ERCB Directive 17 Gas Flow Computers
ERCB Directive 17 Compliance of Gas Flow Computers
Engineering and workplace issues. topic
Posted by Roberto on 18 June, 2014 - 9:28 am
I Can't find pumps suppliers
I need to find suppliers of little pumps and valves
Continuous process industries, DCS questions. topic
Posted by KHAIRI on 18 June, 2014 - 5:20 am
IGV TEST
IGV TEST
Continuous process industries, DCS questions. topic
Posted by Rizwan on 18 June, 2014 - 3:38 am
Inquiry about FrigoSystem Temperature Controller
Alternate for Frigosystems s.r.l
Continuous process industries, DCS questions. topic
Posted by zafar on 18 June, 2014 - 1:00 am
Universal Station of honeywell tdc3000
honeywell tdc3000
Human-Machine Interface and SCADA. topic
Posted by OK on 17 June, 2014 - 3:37 pm
Wonderware Communication Issue
Wonderware server application slows down on pulling out LAN wire or disable any of the four networks we use
Communications systems and equipment. topic
Posted by RonG on 17 June, 2014 - 11:45 am
EGD Protocol?
Looking for EGD protocol spec
Power generation equipment control. topic
Posted by Adeel on 17 June, 2014 - 9:39 am
Drum Level Control
Code for drum level tripping
Engineering and workplace issues. topic
Posted by Niaz on 17 June, 2014 - 9:32 am
Voltage Sags in Power Transmission lines
Details about transmission lines
Power generation equipment control. topic
Posted by chudy on 17 June, 2014 - 7:36 am
Gas Turbine Trip
Trip on our gas turbine, proper examination showed auxiliary motor overload alarm (C105).
Continuous process industries, DCS questions. topic
Posted by zafar on 17 June, 2014 - 2:45 am
difference between honeywell gus and tdc 3000
What is the difference between Honeywell gus and tdc 3000
Continuous process industries, DCS questions. topic
Posted by Paresh on 17 June, 2014 - 2:45 am
Comparing Delta V and Centum 3000 DCS
Comparison of Delta V and Centum 3000 for coke oven application.
PLCs and related questions. topic
Posted by SUDHEESH V on 17 June, 2014 - 12:59 am
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
Motion control, servos, steppers, etc. topic
Posted by VIJAYKUAMR on 16 June, 2014 - 11:55 pm
BLDC motor selection
I want to select a BLDC motor for the application.
Software, including programming, OS issues, etc. topic
Posted by Raymond Mpofu on 16 June, 2014 - 4:44 pm
Teleperm ME function block
Meaning of the 'HUPE' Teleperm ME function block in the GET (Graphic Engineering Tool) function diagram
Power generation equipment control. topic
Posted by Ayed on 16 June, 2014 - 4:29 am
utilization factor and capacity factor
Need the difference between capacity factor and utilization factor for gas turbine
Engineering and workplace issues. topic
Posted by Johs on 15 June, 2014 - 11:16 pm
Gas Detector installation in Double Wall of Storage Tank
Installing a Gas Detector in Double Wall of Storage Tank
PLCs and related questions. topic
Posted by Mike Pennington on 15 June, 2014 - 7:48 pm
Siemens S5-130W
Help to connect a pc to a S5 130W
Engineering and workplace issues. topic
Posted by Josh on 15 June, 2014 - 5:53 am
Recalibrate RTD Temperature Transmitter
change calibrated range RTD temp transmitter
Engineering and workplace issues. topic
Posted by NHL on 14 June, 2014 - 1:58 pm
HMI in Class 1 Div 2 area
Can I use an intrinsically safe barrier or isolator to power a 24VDC HMI, rated for Class 1 Div 2?
Power generation equipment control. topic
Posted by engr on 14 June, 2014 - 1:31 pm
Leading AVR operation
Changing tap changer position during leading VARS to keep machine from tripping.
Engineering and workplace issues. topic
Posted by johnhenry on 14 June, 2014 - 9:47 am
wild leg
wild leg on 3 phase generator
Local and wide area networking in factory automation. topic
Posted by winnakken on 13 June, 2014 - 8:06 am
Triconex PLC supervision (emulator)
Connect Tristation to InTouch
Engineering and workplace issues. topic
Posted by M. Jawed on 12 June, 2014 - 6:17 am
Gas flow through centrifugal compressor
Increasing gas flow throughput through compressor plant by adding more gas reserve.
Power generation equipment control. topic
Posted by lavakumar on 12 June, 2014 - 5:19 am
power plant preservation
effective control of relative humidity?
Software, including programming, OS issues, etc. topic
Posted by srh on 12 June, 2014 - 3:07 am
IEC/ ISA Standard
Need info on Standards directed to usage of delay timers and sensing elements
Engineering and workplace issues. topic
Posted by ete on 12 June, 2014 - 1:21 am
Transformer Protection
Need source to learn about transformer protection
Engineering and workplace issues. topic
Posted by SUDHEESH V on 12 June, 2014 - 12:24 am
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
Communications systems and equipment. topic
Posted by elabbassy on 11 June, 2014 - 9:32 am
measurements in Siemens SICAM AK1703
measured values cyclic transmission IEC 104
Engineering and workplace issues. topic
Posted by Fluoronator on 11 June, 2014 - 7:42 am
The shield shocked me!!!
Why is my cable's shield 'Hot'?
Local and wide area networking in factory automation. topic
Posted by deep123 on 11 June, 2014 - 3:37 am
connecting one MODBUS slave device to two masters
i want to connect one energy meter to two separate masters.
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