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Forum Archive
Applicom ModbusPlus cards
Posted by John on 15 June, 2012 - 3:25 am
Looking for source of Applicom ModbusPlus cards
3
replies
Electric motor drive change over with VFD and bypass circuit
Posted by amin on 15 June, 2012 - 2:53 am
Electric motor drive change over with VFD and bypass circuit
Supcon-Profibus DP Converter
Posted by SP on 15 June, 2012 - 2:36 am
Standard converters for Supcon-Profibus DP
11
replies
Foundation Fieldbus Instrument Simulation
Posted by habeeb on 15 June, 2012 - 2:24 am
how we can simulate any ff transmitter with a field communicator (0 - 100%) without injecting process variable?
12
replies
Coriolis flow and density measurement of mixed sulhpide slurry
Posted by joshuamhora on 14 June, 2012 - 6:31 pm
Dual measurement of Density and Flow of Acidic Slurry.
Integral term of a PI controller
Posted by kufre bassey on 14 June, 2012 - 6:17 pm
how else can i numerically integate the error in a PI controller without using explicit euler
3
replies
Thermocouple measurement- Static or total temperature?
Posted by Harish on 14 June, 2012 - 10:20 am
Thermocouple measurement- Static or total temperature?
5
replies
MARK VI control System Core Engine
Posted by Raza Haider on 14 June, 2012 - 12:02 am
Core engine status during startup sequence
1
reply
Cellular modem network
Posted by yehua on 13 June, 2012 - 6:56 pm
Cellular modem network configuration
New blog by Control.com founder
Posted by Ken Crater on 13 June, 2012 - 2:37 pm
Beyond Control - blog on control topics launched with outrageous language screed.
Wireless Actuators for motorised valves
Posted by Diego Da Silva on 13 June, 2012 - 11:20 am
Wireless technologies to operate/control motorised valves.
3
replies
DAQ or modules for temperature sensors
Posted by Aparra on 13 June, 2012 - 10:04 am
Get information about applications that can be useful in a project
JimPinto.com eNews 13 June 2012
Posted by Jim Pinto on 12 June, 2012 - 11:26 pm
The latest JimPinto.com eNews - 13 June 2012 is on the web
3
replies
PLC database, keeping track of everything
Posted by GBrown on 12 June, 2012 - 7:44 pm
I have 40+ PLCs out on radio, how do you keep track of what is where, has it been upgraded to the latest firmware, etc.
10
replies
Bleed Valve
Posted by Ayman on 12 June, 2012 - 12:55 pm
Bleed Valves is not closing at 95%
3
replies
Loop isolator measurement
Posted by KeithC on 12 June, 2012 - 12:08 pm
What measurement do you get off of a loop isolator?
1
reply
6ES7 431-1KF00-0AB0 Connection Diagram
Posted by elconf on 12 June, 2012 - 11:45 am
Connection Diagram for 2-wire/ 4-wire connection to 6ES7 431-1KF00-0AB0
1
reply
CompactLogix Modbus
Posted by Gilbert Balitaan on 12 June, 2012 - 10:02 am
Using Modbus RTU to communicate with compactlogix PLC's
What if motor actuator stall torque exceeds valve max torque
Posted by Inst on 12 June, 2012 - 8:15 am
What if motor actuator stall torque exceeds valve max torque
2
replies
shutdown valve closure time
Posted by Tuokpe Brikinns on 12 June, 2012 - 8:13 am
I am modelling the closure time of an ESD valve against Hydrocarbon release inventory (pressure, volume of flow, mass flow rate) in a FBR condition.
5
replies
Why Safety Relay??
Posted by pandu on 12 June, 2012 - 5:56 am
what is the purpose of Safety Relay?
1
reply
Twido and PhpModbus
Posted by Judoboy on 12 June, 2012 - 5:36 am
How to read and write value on a Twido with a PHP web site.
MODBUS communication of HMI with Siemens LOGO PLC
Posted by karthick on 12 June, 2012 - 2:16 am
I need the details of modbus communication between Siemens LOGO PLC and HMI(Brainchild).
1
reply
Setting up single communication link through MODBUS/TCP, Fieldbus HSE, I2C, etc?
Posted by Madu on 12 June, 2012 - 1:08 am
Need to wire new instruments through single communication link (2 wire, 4 wire, ?? wire as necessary) instead of wiring them individually. How can it be done through MODBUS/TCP, Fieldbus HSE, I2C, etc?
1
reply
8003-DM Stepper motor driver connections
Posted by ENKI on 11 June, 2012 - 7:47 pm
I need to know how to make the connections
2
replies
generator winding pi test
Posted by Eric Enquist on 11 June, 2012 - 5:58 pm
What voltage is recommended to get proper pi readings on generator windings?
6
replies
Interface level problems
Posted by kenberberich on 11 June, 2012 - 2:11 pm
Interface level problem.
generator hydrogen purity drop
Posted by BHEL on 11 June, 2012 - 1:52 pm
in my plant 220 kv generater is used. in now a day, i am suffering from hydrogen purity drop. can give me any possible solution of this problem?
send_req function
Posted by houssem on 11 June, 2012 - 11:13 am
how the function SEND_REQ works?
7
replies
i & d negative parameters
Posted by engineer on 11 June, 2012 - 10:30 am
negative i and d terms application
4
replies
Mark V questions
Posted by JiM on 11 June, 2012 - 9:51 am
Mark V questions regarding TTRF and Modes
Gas Consumption
Posted by KK on 11 June, 2012 - 9:10 am
Recently we have witnessed increase in gas consumption relative to power output from units. I am trying to analyse why this trend have occurred and what are the factors affecting the increase fuel consumption.
1
reply
LUX sensor
Posted by amit on 11 June, 2012 - 7:40 am
what is LUX sensor ??
7
replies
GE-design Heavy Duty Gas Turbine Training Needs
Posted by CSA on 11 June, 2012 - 12:13 am
If I had the chance to get specific training, these are the top three topics I would want to learn about.
3
replies
IGV / Gas Control Valve Issue
Posted by Dan Griffin on 10 June, 2012 - 4:16 pm
Control issue with <S> processor, CSRGV and FSR2.
9
replies
HART Communicator does not connect with transmitter
Posted by sonny on 10 June, 2012 - 10:34 am
When using HART COMMUNICATOR to interrogate the transmitter while carrying out PM or CM, HART COMMUNICATOR displays "NO COMMUNICATION".
AC500 CPU as Profibus SLAVE
Posted by Gowris on 10 June, 2012 - 7:00 am
AC500 PLC (PM581-ETH CPU) as profibus slave
SIL3 PLC Online modifications
Posted by mohamed on 9 June, 2012 - 3:52 pm
Looking for guidance from the community for SIL3 PLC Program Up load feature
Utility for testing automation software
Posted by Alexander on 9 June, 2012 - 12:22 pm
Freeware utility for testing automation software
1
reply
Speedtronic MK4
Posted by Khashayar on 9 June, 2012 - 11:03 am
Can Any body help me to find Speedtronic MK4 Documents?
12
replies
Flow Meter for Sea Water Application
Posted by Suhail on 9 June, 2012 - 2:57 am
Flow measuring solution for sea water 114" pipe
1
reply
Averaging of Wind direction from AWS
Posted by me on 9 June, 2012 - 12:00 am
Trying to analyze weather data obtained from an AWS
6
replies
Low lift oil pressure - GE 7FA
Posted by GRJS on 8 June, 2012 - 1:49 pm
7FA experiencing lift oil issues
10
replies
Interface between Mark VI & Cimplicity HMI
Posted by Ayman on 8 June, 2012 - 1:14 pm
how to make interface between Gas Turbine MS5001 Mark VI & Cimplicity HMI project (***.GEF) file
DC cable armour earthing
Posted by Varun on 8 June, 2012 - 8:08 am
How to earth the DC cable armour
2
replies
sudden axial shift
Posted by fetian on 8 June, 2012 - 6:30 am
sudden axial shift in 55MW steam turbine
8
replies
Opening Vacuum Breaker during Turbine Trip
Posted by Rahul singh on 8 June, 2012 - 2:47 am
Can anybody explain me why we open condenser vacuum breaker in case of turbine trip?
6
replies
Mark VI/Windows 7 Migration
Posted by GJRS on 7 June, 2012 - 10:11 am
Migrating from Mark VI running on XP to Mark VI on Windows 7.
1
reply
open source hmi & scada with socomec
Posted by gunasekar on 7 June, 2012 - 9:20 am
open source scada system with socomec diris a40
3
replies
DP flow, How to setup in DCS
Posted by Rajesh Kumar on 7 June, 2012 - 8:23 am
I want to know do we need to the range to calculate flow inside DCS?
6
replies
precise paperless recorder with clamp pins
Posted by HANYWEPCO on 7 June, 2012 - 6:39 am
I need a paperless recorder that can record Instruments analog signals (4 to 20mA) and digital signals with a very short sampling time so that we have first out alarm in equipment trips scenarios.
p/p pneumatic positioner
Posted by Mahmoud on 7 June, 2012 - 4:29 am
p/p pneumatic positioner
Communication between Modicon and Prosoft converter
Posted by Marius on 7 June, 2012 - 3:40 am
communication between a TSX ETY port of Modicon and a Prosoft convertor, via Modbus TCP/IP protocol.
1
reply
More about User Interface engineering
Posted by Rushi Shroff on 7 June, 2012 - 2:26 am
Want to learn about User Interface, Graphical User Interface, Operating system, User Interface of embedded system like spectrophotometer
1
reply
Proficy ME
Posted by Tracy Pierce on 7 June, 2012 - 1:16 am
How to make a login screen on QP View.
4-20ma active mode / passive mode calibration error
Posted by - on 6 June, 2012 - 10:29 pm
active mode / passive mode calibration error. need to re-calibrate Analog Input board each time it is switch between the 2 modes.
2
replies
Matrikon Alarm Manager with 800xA V5.1
Posted by Cortez on 6 June, 2012 - 9:29 pm
Any body configured 800xA and Matrikon Alarm Manger using 800xA's A&E OPC server?
9
replies
Adding instrumentation to curtail an oil spill on a GE Frame 5 with Mark 5 controls
Posted by Mark Allen on 6 June, 2012 - 5:00 pm
adding a liquid level dectector to a frame 5 with Mark V controls
1
reply
% impedence
Posted by sounak nandi on 6 June, 2012 - 2:45 am
% impedance clarification
4
replies
Drum level compensation
Posted by Naji on 6 June, 2012 - 1:17 am
lost in the world of corrections
1
reply
Instrumentation cables
Posted by M D on 5 June, 2012 - 11:39 pm
Cables for connecting sensors in Zone 1 to PLC in safe area
1
reply
Modicon TSX Micro PLC Analog input
Posted by stavis benson on 5 June, 2012 - 9:42 pm
Modicon TSX Micro PLC Analog input taking about 3 minutes to respond
2
replies
ST98 FlexMASSter Profibus DP
Posted by David on 5 June, 2012 - 12:28 pm
I am attempting to monitor the measured values of an FCI ST98 FlexMASSter Mass Flow Meter with an IM151-8 PN/DP CPU with a 6ES7138-4HA00-0AB0 DP MASTER INTERFACE.
4
replies
in circuit scr testing
Posted by engineer on 5 June, 2012 - 11:56 am
Testing an in circuit scr that is attached to a heat sink
6
replies
Firmware Update of an embedded system over modbus RTU using serial communication (UART)
Posted by vee on 5 June, 2012 - 7:59 am
Firmware Update over modbus RTU/UART - RS485 - RS232 serial communication
1
reply
Why it trips everytime when blackout occurs?
Posted by Sabah Man on 5 June, 2012 - 3:49 am
11kV outgoing feeder CB trips every time when blackout occurs
Circuit breaker interfacing
Posted by Camilo Aquino on 5 June, 2012 - 12:20 am
Circuit breaker interfacing
5
replies
GE6B vibration
Posted by Mark feigum on 4 June, 2012 - 5:25 pm
Experiencing start up vibration on both units.
Interact Xpress Manager
Posted by Gene SHults on 4 June, 2012 - 4:52 pm
Connecting To AB SLC500
1
reply
High frequency DAQ/analog input
Posted by Felix Broens on 4 June, 2012 - 7:53 am
We need a DAQ that can measure a pressure sensor at high frequency (5Khz). Is there something available on the market that is modbus?
MTL Hazardous Area Panel automatically running Half-Duplex
Posted by Craig on 4 June, 2012 - 6:11 am
Having some strange failures with a signal going to our Ethernet switch
New Zealand: Control through the ages
Posted by Jaidan Bracken on 4 June, 2012 - 6:06 am
Attempting to setup a Museum/Training ground for fellow IMC people
2
replies
control valve action
Posted by KOK on 4 June, 2012 - 5:32 am
CONTROL VALVE FAIL ACTION
1
reply
Modbus with ABB ANR96
Posted by Jukka Liukkonen on 4 June, 2012 - 3:50 am
Modbus connection with ABB ANR96 and ABB DMTME.
Manual Mode in Closed Position
Posted by Kaushik on 4 June, 2012 - 2:32 am
Some explanation regarding Manual Mode in Closed Position
5
replies
Controlling a DC pump with PLC/PWM
Posted by AJ on 4 June, 2012 - 12:28 am
Trying to find components for a process control
final year project topics
Posted by dd on 3 June, 2012 - 10:35 pm
Looking for ideas for final year project
Deleted the Macro from Fanuc Multi-Tool macro 9108
Posted by Tom Matson on 3 June, 2012 - 9:50 pm
Deleted Macros NEED HELP
4
replies
Abnormal Turbine Acceleration
Posted by olayiwola on 3 June, 2012 - 1:17 pm
Turbine refuses to accelerate at a fast rate after hot restart.
1
reply
Orifice plate installation
Posted by Aditya on 3 June, 2012 - 1:19 am
Orifice Plate installation for water service
HRSG Duct Burner FG flow/pressure control
Posted by Mark Jones on 2 June, 2012 - 10:28 am
Bailey Infi 90 Advanced PID block Tuning difficulty
3
replies
Retractable spark plugs in Frame 5 GE gas turbines
Posted by Raza Haider on 2 June, 2012 - 10:07 am
Please explain the phenomena how retractable spark plugs come out of combustion chambers at 50% speed of gas turbine
How to connect two Modbus Master with each other with again in redundant form?
Posted by Nahush R on 2 June, 2012 - 7:29 am
I have to connect two Modbus Master with each other in Redundant form.
4
replies
modbus starting address question
Posted by barramundi9 on 2 June, 2012 - 3:35 am
modbus code question
1
reply
COTS servo controller for DC motor pair in opposing config
Posted by Kirk on 1 June, 2012 - 7:18 pm
Looking for possible solution for a legacy replacement of a servo controller. Need help!
2
replies
Fontenaro
Posted by Doug on 1 June, 2012 - 7:14 pm
Additional control inputs on pump control panel
multi DOF master slave manipulator
Posted by reddy on 1 June, 2012 - 7:09 am
developing multi DOF master slave manipulator with force feedback
3
replies
Modbus Lonworks compatibility
Posted by Rares on 1 June, 2012 - 6:53 am
Develop an application that connects several power meters to a modbus convertor and than to a lonworks PLC
1
reply
Question about the PLC Memory
Posted by Motito on 1 June, 2012 - 5:00 am
A simple question about PLC's specifications
how to best measure compressed air
Posted by Sarudzai K on 1 June, 2012 - 4:58 am
the best way of measuring compressed air is in terms of variations for the sake of energy savings.
4
replies
analog speed control
Posted by Telsafan on 1 June, 2012 - 1:30 am
winding a roll and want to slow down as roll gets bigger to maintain SFPM for coating application.
2
replies
current transformers
Posted by thabang on 31 May, 2012 - 7:51 pm
open circuiting current transformers
2
replies
Frame 7EA High Gas Flow
Posted by Justin on 31 May, 2012 - 11:27 am
Post Outage gas flow on our 7EA has increased 10%.
4
replies
GE LM6000 PC Sprint Exhaust Temp
Posted by Kevin Arnold on 31 May, 2012 - 6:48 am
Exhaust temperature variation at different load conditions
All about Sensors
Posted by syurish on 31 May, 2012 - 6:26 am
IFSA Newsletter online
Yokogawa CS 3000/VP Maintenance Practices
Posted by Shibin on 31 May, 2012 - 1:51 am
Maintenance practices / Trouble shooting for Yokogawa CS 3000/VP
2
replies
Chemical flow control questions
Posted by Maurice442 on 30 May, 2012 - 2:11 pm
Chemical metering question
C3-Ilex ied Mapping
Posted by Amos on 30 May, 2012 - 11:02 am
IED mapping with dnp protocol
8
replies
Siemens TMR vs Mark V/Woodward TMR
Posted by Martin on 30 May, 2012 - 8:11 am
Comparison of Siemens TMR vs Mark-V/Woodward TMR
what will happen if gas turbine will run on low suction
Posted by khan on 30 May, 2012 - 5:39 am
what will happen if gas turbine will run on low suction or if we will bypass the low suction alarm?