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Forum Archive
The control of motorised valves for water heater
Posted by Paul Leslie on 8 November, 2013 - 7:13 am
I am looking into the viability of having a secondary water heater so i will need to isolate the immersion heater when I use the other heater and vice versa. So I think Motorised valves will do this but how to control that is the question.
1
reply
Power factor fluctuation
Posted by baggy on 8 November, 2013 - 7:09 am
Power factor fluctuates when starting synchronous motor and shuts down generator
8
replies
Allen Bradley PLC to DCS thru MODBUS
Posted by Joel Tamayo on 8 November, 2013 - 12:22 am
Help in Modbus communication
3
replies
Has anyone ever used B-Scada's Status?
Posted by Rich Hunzinger on 7 November, 2013 - 2:42 pm
Just curious - Does anyone have feedback on their experiences with Status, the HMI/SCADA software from B-Scada?
Learning more about DELTA V DCS
Posted by Subin Cherian on 7 November, 2013 - 2:12 pm
Online tutorial for Delta V DCS
2
replies
N1OPC Server and ICONICS Genisis64
Posted by Brian on 7 November, 2013 - 1:26 pm
Looking for some help in Iconics Genesis64 with N1OPC drivers
3
replies
Mark-VI Composite Trip
Posted by sdbarman on 7 November, 2013 - 11:25 am
GT Tripping because of Composite Trip from Mark-VI TMR control
3
replies
Agilent 34972A to Modbus?
Posted by CloverPark on 7 November, 2013 - 10:46 am
I'm given the task to program a Modbus interface to Agilent 34972A DAQ using Delphi.
3
replies
Modbus communication with Danfoss FC 302.
Posted by Danfoss on 7 November, 2013 - 1:00 am
Modscan communication using Modscan32.
1
reply
MSV-closing on its own??
Posted by Gary H. Smith on 5 November, 2013 - 2:24 pm
We have a MSV closing issue and I am seaking advice.
2
replies
K-type Thermocouple Sensor
Posted by Arifur Rahman on 5 November, 2013 - 7:21 am
Having problem with K-type thermocouple sensor
5
replies
Wiring a field device via dupline to a Profibus gateway
Posted by Subin on 4 November, 2013 - 4:59 pm
Project to have a field device wired via dupline to a profibus gateway (which acts as a slave). From the profibus gateway it gets converted to profibus and is read by two masters.
1
reply
Choosing the right PLC combo
Posted by Birol Ilker on 4 November, 2013 - 4:23 pm
I need help in choosing the right PLC version for me and I am not able to decide.
Sprecon and Modbus
Posted by Amir on 4 November, 2013 - 1:15 pm
Problem in connection between a modbus device and Sprecher PLC series SPRECON E C 9.4
Synchronous generator control (wind turbine applications)
Posted by umid on 4 November, 2013 - 2:42 am
Of the available methods of synchronous generator control for wind turbines which one is the most effective and popular?
1
reply
Results of Economizer Steaming
Posted by Mohsen on 4 November, 2013 - 2:11 am
what happens when an economizer steaming occurs?
Comparision betwen PCS7 & Yokogawa CS3000
Posted by Me on 3 November, 2013 - 6:19 pm
I want to compare CS3000 or CENTUM VP to Siemns PCS7 for refinery plant
2
replies
Electric motor winding resistance imbalance
Posted by Lara on 3 November, 2013 - 12:38 pm
Electric motor winding resistance imbalance
7
replies
TCP Smart Touch
Posted by Jim on 3 November, 2013 - 10:12 am
Looking for a lead on programming software, manual and cable for TCP Smart Touch HMI'S.
SUCOMA protocol download?
Posted by Marco on 2 November, 2013 - 4:23 pm
Looking for a download site for SUCOMA protocol
7
replies
Heat Load Calculation
Posted by Biky on 1 November, 2013 - 12:09 am
Heat Load Calculation
5
replies
Adding a second wet well level
Posted by Cyanogen on 31 October, 2013 - 9:24 am
Need assistance in adding a second wet well level to an existing PLC program
New to SIS Practices
Posted by Jared McCullough on 31 October, 2013 - 7:51 am
Looking to bring industry leading practices into small town Pennsylvania refinery. (Smalltown PSM Guy)
1
reply
Natural gas and super compressibility factor
Posted by Asad on 31 October, 2013 - 6:30 am
Super compressibility factor in Natural gas measurement
1
reply
Using control builder M to get log files from ABB controllers
Posted by Ibrahim Abdelmohsen on 31 October, 2013 - 2:18 am
Getting Log files of ABB controllers through control builder M
2
replies
Power Factor
Posted by Saeed on 30 October, 2013 - 10:41 am
i have a little confusion about power factor.
2
replies
Gas Turbine Not Lighting
Posted by davidmcc on 30 October, 2013 - 9:10 am
gas turbine not firing on distillate
1
reply
Low foreword power protection
Posted by TSURESH on 30 October, 2013 - 8:22 am
Details about low foreword power relay
2
replies
Modbus Gateway software
Posted by babaei on 30 October, 2013 - 6:15 am
Sofware based gateway to convert MODBUS TCP/IP SERVER (slave) to MODBUS RTU MASTRE (client)
1
reply
Connecting SolarEdge inverters using Modbus
Posted by Lex on 30 October, 2013 - 3:44 am
Using the MODBUS protocol to communicate through RS485.
1
reply
COMMUNICATING AB PLC WITH ABB DCS.
Posted by ARAVIND on 29 October, 2013 - 4:16 pm
HOW TO COMMUNICATE MY STACKER AND RECLAIMER AB PLC WITH MY POWER PLANT ABB DCS.
2
replies
OSSD Safety
Posted by BBarnett on 29 October, 2013 - 3:57 pm
Can a single OSSD wire be used more than once?
4
replies
GE Frame 9E Atomizing Air
Posted by Black on 29 October, 2013 - 3:23 pm
Atomizing Air
4
replies
dealing with modbus
Posted by boyd on 29 October, 2013 - 11:04 am
Need guidance on learning Modbus protocol how to read, write and understand and the ins and outs of making a daisy chain
2
replies
Problem Rebooting Mark-VIe Gas Turbine
Posted by DRP on 29 October, 2013 - 6:49 am
Problem of rebooting Mark-IV after upgrade to Mark-VIe
3
replies
IS Barrier Circuit
Posted by Biky on 29 October, 2013 - 1:41 am
How to identify IS Barrier Circuit in a existing system?
Converting from LL984 to FBD in concept 2.6
Posted by Gal on 28 October, 2013 - 9:13 am
conversion from LL984 to FBD in concept
3
replies
Ratchet Problem in GE Frame-VIB Gas Turbine
Posted by Sukhdev Singh on 28 October, 2013 - 9:11 am
Ratchet mechanism is not working normal.
4
replies
Industrial communication and Protocol conversion
Posted by Jayesh Trivedi on 28 October, 2013 - 7:47 am
To know about industrial networking and protocol conversion
2
replies
Intrinsic Safety
Posted by Biky on 28 October, 2013 - 3:45 am
Intrinsic Safety Verification
2
replies
Integrating Honeywell EBI & Honeywell XL5000 series
Posted by Karim S on 27 October, 2013 - 6:47 am
We need to communicate and read realtime data from and existing Honeywell BMS EBI based on XL5000 series. Using OPC Server?
1
reply
7FA Vibration After Compressor Upgrade
Posted by Gary Haymond on 26 October, 2013 - 8:53 pm
Turbine vibration after compressor upgrade.
3
replies
Sootblowing
Posted by FF on 26 October, 2013 - 5:29 pm
Indications on when you should soot-blow a coal fired boiler
1
reply
Insulation Resistance of oil filled transformer
Posted by panthripu on 26 October, 2013 - 11:30 am
IR test value of oil filled transformer ?
3
replies
Heartbeat Problem relate to MarkVIe
Posted by Jae-yeol Lee on 26 October, 2013 - 8:13 am
Regarding Heartbeat Alarm of MarkVIe System
3
replies
PLC Rack Layout
Posted by jrk on 26 October, 2013 - 6:59 am
Project group wish to install a new rack above existing racks. Would like a standard to refer to for correct installation. Manufacture, though opposed, do not have written objection as it can be done.
2
replies
HART Pass Through IO Cards
Posted by Nitin on 26 October, 2013 - 5:49 am
HART Pass Through IO Cards
2
replies
Purging Carbon Dioxide from cooling system
Posted by ajay on 25 October, 2013 - 5:39 pm
Why is it necessary to purge CO2 after purging hydrogen
2
replies
Difference between turbine overspeed protection equipment, governor and antisurge control
Posted by asimrehmanjutt on 25 October, 2013 - 12:03 pm
Looking for an explanation on the difference between governor, overspeed protection equipment, and anti surge controller?
2
replies
Gas turbine starting system
Posted by mectarek on 25 October, 2013 - 5:15 am
why using a torque converter with a diesel engine and not with an air/gas starter knowing that the torque of a diesel motor is higher that the air starter?
2
replies
Modbus TCPIP Slave program problem
Posted by amar on 25 October, 2013 - 2:56 am
vb6 based mod-bus implementation not able to receive response from server after second request.
avr synchronous for beijing beizhong turbine
Posted by giri on 25 October, 2013 - 2:05 am
failed AVR synchronous
How can we see the communication/alarm setting from plc to profibus?
Posted by Ejaz on 25 October, 2013 - 12:35 am
want to see Simatic interfacing window or setting that is being loaded to modbus
1
reply
Uncontrolled load sharing in synchronized alternator
Posted by jonip on 24 October, 2013 - 11:08 pm
routine test paralleling diesel engine with main turbine generator almost create shutdown to our plant. diesel power increase without order to almost max power it can delivered
JimPinto.com eNews - 25 Oct 2013
Posted by Jim Pinto on 24 October, 2013 - 8:54 pm
The latest JimPinto.com eNews for 25 Oct. 2013 is on the Web
Siemens PLC Lead / Lag
Posted by Cyanogen on 24 October, 2013 - 6:23 pm
Assistance with a Lead / Lag pump system
2
replies
SLC 5/03 S:54 Hex error into IFix 5.5
Posted by B.Lyons on 24 October, 2013 - 11:19 am
S:54 or S:6 Hex Fault code from a SLC processor into IFix?
4
replies
Communicating using a RS-485 device to ASCII or Modbus
Posted by Cristian on 24 October, 2013 - 10:42 am
RS-485 can be set in eiher ASCII or Modbus mode
3
replies
Synchronise 2 x 250KVA Gensets
Posted by Chris Serfontein on 24 October, 2013 - 9:26 am
How to synchronise 2 x 250kva gensets in the cheapest but still effective way.
8
replies
%Z of power transformer
Posted by Shaheed on 24 October, 2013 - 8:04 am
How to calculate %Z of power transformer
4
replies
Drop test
Posted by MIS on 23 October, 2013 - 10:09 am
What,s drop test term used in Gas turbine at Ge F 9001 E France, if any one brief thanks in advance.
M340 BMX P34 2020 modbus TCP with Phoenix-contact Bus coupler
Posted by kino on 23 October, 2013 - 4:00 am
WRITE_VAR function under modbus TCP is not working properly
1
reply
thermocouple body earthing
Posted by bab on 23 October, 2013 - 1:13 am
Body earthing in thermocouples
3
replies
Number of CO2 cylinders required to fill generator
Posted by vertul on 22 October, 2013 - 11:29 pm
How to calculate the no. of CO2 cylinders required to purge the generator?
Calibration of Speed Control Governor
Posted by Yoga on 21 October, 2013 - 11:22 pm
Would you like to inform me how calibrate or tuning PID Speed Control of Servo Valve which is using SPC and Woodward 505?
1
reply
GT fuel nozzle
Posted by Black on 21 October, 2013 - 3:27 pm
Construction of GE 9e fue nozzle
Downloading an Existing Project into a New Controller PM864
Posted by Ansar awan on 21 October, 2013 - 1:03 pm
How to download old project AC800 PM864 controller
Profibus Networking problem in Micromaster 3
Posted by Sajjad Idrees on 21 October, 2013 - 12:33 pm
I am trying to configure vfd (MM3) through cb15 to cp342-5 and having a cpu 314IFM.
1
reply
Field Instrument Power Loop Malfunction
Posted by Nasser Al-Ogayil on 21 October, 2013 - 7:16 am
Instrument power loop 24 DC voltage is split between the positive and the common wire. The positive wire has a +16 VDC potential and the common has a -8 VDC potential !!!
1
reply
generator voltage drop below minimum rating under load
Posted by Steve Baloyi on 21 October, 2013 - 4:21 am
generator drops voltage by almost 80 volts when on load. what could probably be the cause?
2
replies
Compressor stall detection algorithm
Posted by HMR on 21 October, 2013 - 2:01 am
I want to know how the compressor stall detection algorithm for heavy duty gas turbines in MARK VI works
Problem with EX-2100
Posted by koukos on 20 October, 2013 - 3:49 am
Fault signal 72 after installing EX-2100 system
1
reply
Schweitzer SEL-3354 trying to configure TCP Modbus to ABB Exciter
Posted by BigTom209 on 19 October, 2013 - 7:06 pm
Trying to find someone who may have has experience with setting up Modbus with SEL equipment
1
reply
Memory leak in Honeywell OPC server
Posted by Bikshapathi on 19 October, 2013 - 4:57 am
While communicating with PCO as opc client and Getting memory leak issue while communicating between opc DA source system and pco.
Control Logic Audits
Posted by Anand on 19 October, 2013 - 1:04 am
Necessity of auditing protection and auto-control logic that runs in the DCS/PLC systems in process plants
1
reply
DSE 5510 communication
Posted by Sborja on 18 October, 2013 - 7:58 pm
How to change the number of a DSE5510 slave
3
replies
How does Gas Turbine Generator Output Change when GT Frequency Changes
Posted by know-how on 18 October, 2013 - 7:25 am
To what extend does the Gas Turbine generator output changed when the gas turbine frequency conversion is made for two pole generator from 60Hz to 50 Hz (i.e. 3600 RPM to 3000RPM)?
1
reply
What is "Valve Reject To Manual"
Posted by mxromen on 18 October, 2013 - 6:25 am
I am searching, what's the meaning of "rejected to manual"
Centrifugal compressor
Posted by Dhinesh on 18 October, 2013 - 12:03 am
Centrifugal compressor commissioning
4
replies
TM2500/ PT Magnetic speed pic-up failure
Posted by TM2500 on 17 October, 2013 - 10:25 pm
Magnetic speed pic-up Transducer fail due to Unrecognised reasons
2
replies
Battery status of Rockwell Compact Logix PLC
Posted by arun on 17 October, 2013 - 8:26 am
Battery status of Rockwell Compact Logix PLC
2
replies
Camera for corn field machine
Posted by Carlos Melendrez on 16 October, 2013 - 1:49 pm
Looking for a camera that is waterproof and uses ActiveX
2
replies
PLC Serial Communication to Density Meter
Posted by Luis on 16 October, 2013 - 3:14 am
PLC Serial Communication to Density Meter
1
reply
Installing Alfa Laval Think-Top butterfly valve feedback units outdoors
Posted by mteja on 16 October, 2013 - 3:12 am
Is it okay to use IP67 enclosures in an area open to the elements?
Telemechanique PLC TWLCAA24DFR
Posted by ra on 15 October, 2013 - 11:21 pm
Communicating with Telemechanique plc using Modbus over RS232
4
replies
Instrumentation/Electrical responsibilities
Posted by The Leader on 15 October, 2013 - 5:27 pm
The responsibility of control from Instrumentation or electrical is becoming shades of grey.
1
reply
PLC sample test
Posted by Erik on 15 October, 2013 - 1:34 pm
PLC trouble shooting test
1
reply
MODBUS and a Gas Micro corrector from Galvanic Applied Sciences Inc.
Posted by Dean Schneider on 15 October, 2013 - 1:30 pm
CRC errors when attempting to read MODBUS data from the Gas micro
2
replies
Gas turbine rotor coupling sheared
Posted by Assylbek Mukhanov on 15 October, 2013 - 11:20 am
Alstom/Siemens Tornado S350 gas turbine generator. Rotor coupling between turbine and alternator (generator) sheared. Any past experiences?
1
reply
fluctuating load on siemens gas turbine generator
Posted by mr.falahaty on 15 October, 2013 - 10:21 am
load fluctuating happens on Siemens gas turbine generator (SGT600-25MW)
10
replies
SRV not a zero with 0% command
Posted by Jeff Ladwig on 15 October, 2013 - 9:06 am
SRV valve moves away from zero position when I enable manual function in Mark V valve calibration application.
7
replies
CRC-CCITT to CRC16 Modbus implementation
Posted by JotaTR on 15 October, 2013 - 7:21 am
Problems writing code for CRC-CCITT to CRC16 Modbus implementation
1
reply
can pressure switch known as feedback switch?
Posted by Ketan Patel on 15 October, 2013 - 3:04 am
Can Pressure Switch known as Feedback switch?
1
reply
GE Frame 5 and Mark II upgrade
Posted by Juan Collado on 14 October, 2013 - 5:48 pm
Looking for advice on pitfalls of a GE Frame 5 and Mark II upgrade
2
replies
determining RS485 pins on a connector
Posted by uptownlord on 14 October, 2013 - 5:16 pm
How to determine D+ and D- of a rs485 port
10
replies
Hastelloy "C" material in 33% HCL
Posted by Vimal Gupta on 14 October, 2013 - 9:42 am
Seal diaphragm material HASTELLOY"C" IN 33% HCL service
1
reply
FCS Not downloading properly
Posted by BABIKER on 14 October, 2013 - 5:23 am
Graphics show as Asterisks after downloading new project
1
reply
Seeing a TC element in an Advant Control system
Posted by Marina on 14 October, 2013 - 5:15 am
How do I see the function of a TC (type circuit) element in Advant Control system AC 160?
5
replies
Monitoring A Modbus RTU Network
Posted by J on 13 October, 2013 - 8:25 am
Are two modbus masters on a network is possible without taking the network down
1
reply
GT-ST Single shaft configuration
Posted by Wasim on 13 October, 2013 - 5:03 am
How does the engaging process of GT & ST actually happen?