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Forum Archive
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Modbus Receive Timeout Error
Posted by Piey on 2 November, 2017 - 10:30 am
Modbus shows timeout error result
1
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Modbus Address for Eurosens Dominator
Posted by Piey on 1 November, 2017 - 9:20 am
Holding register address for fuel level sensors brand eurosens dominator RS.
1
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Remote Pump Control
Posted by maxl1991 on 1 November, 2017 - 5:57 am
Remote pump control over a long distance.
HIPPS vs SIS
Posted by Arly on 1 November, 2017 - 3:00 am
What is the major difference between SIS (safety instrumented system) and HIPPS (high integrity pressure protection system)?
Serial to MODBUS TCP Converter using Wiznet W5500
Posted by andig on 1 November, 2017 - 1:11 am
Need to convert Serial Data into MODBUS TCP
8
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Looking for Insights About Dual Configuration in Mark VIe
Posted by Isulamu on 30 October, 2017 - 5:18 pm
The difference between TMR and Dual contoller configuration in Mark VIe
Tapping Modbus/TCP traffic
Posted by Rob Hulsebos on 29 October, 2017 - 10:22 am
Tapping Modbus/TCP traffic on Ethernet requires different technique than when using serial networks.
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Bentley Nevada Rack 3500 Signals Getting Bad
Posted by MUHAMMAD ARIF on 29 October, 2017 - 3:24 am
BN 3500 Rack signals are become Bad for 10 sec and then become ok
501F BPT and Exhaust Control
Posted by ding on 27 October, 2017 - 11:45 am
What's the difference between BPT and Exhaust control for Siemens GT?
2
replies
Mismatch between Calibrated Range and Re-ranged Loops in PLC
Posted by PolyT on 26 October, 2017 - 11:23 am
Mismatch between Calibrated range and re-ranged URV-LRV by HART
1
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ENRAF FlexLine 990 RTD Spot Element Offset
Posted by PakUser on 26 October, 2017 - 9:10 am
Spot RTD Element shows 3C difference at SmartView with manual temperature reading.
3
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Synchronization of a Captive Power Plant
Posted by Rotimi88 on 26 October, 2017 - 7:47 am
Questions about the synchronization of a captive power plant.
2
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Fieldbus (H1) to RS232 Converter
Posted by Yousef on 26 October, 2017 - 3:19 am
Looking for a Fieldbus (H1) to RS232 converter
1
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Atomizing Air Booster Uses
Posted by MOmar91 on 25 October, 2017 - 12:18 pm
What is the use of AA booster on gas fuel operation?
1
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Alarm Indication PC Board
Posted by mktg on 24 October, 2017 - 5:36 pm
I am struggling to Understand how this Alarm indicator PCB works
2
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Standard/ Daniel
Posted by Nano61 on 24 October, 2017 - 11:05 am
New to Modbus. What is the difference from Standard and Daniel both ASCII and RTU.
1
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Modbus TCP/IP after Response an Extra ACK Message
Posted by Michiel M on 24 October, 2017 - 11:03 am
I have got a Modbus TCP/IP connection but i get 3 messages instead of just a query and response.
7
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MSV Not Operating Properly on Mark V
Posted by joe45678 on 23 October, 2017 - 11:58 pm
Steam Turbine MSV Not Operating Properly on Mark V
2
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What Is qnl/h and How Do You Convert?
Posted by loopy on 23 October, 2017 - 6:41 am
I have some rotameters on site and I expected them to show l/h, but after looking at them it says qnl/h. How do I convert?
6
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Upgrading Rslogix 5 to Newer Windows
Posted by briq on 23 October, 2017 - 3:07 am
Upgrading Rs logix 5 (PLC 5) to newer windows (7 or 8)
4
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Gas Turbine Performance Recovery Advisor
Posted by SriramSandeep on 23 October, 2017 - 2:14 am
Is gas turbine performance recovery advisory software installation advantageous or not?
Paper Mill Roll Camber
Posted by Onkar on 23 October, 2017 - 12:26 am
Camber Calculation for the paper mill Rubber covered rollers
Compressor Seal Gas System
Posted by kichaa1 on 22 October, 2017 - 5:59 am
Why Seal gas supply pressure is less than the compressor discharge pressure
1
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Use PCS7 Instead of Teleperm XP in a Power Plant
Posted by moradi on 21 October, 2017 - 7:02 am
Is it possible to use PCS7 instead of Teleperm XP at the power plant
Generator Loss of Excitation Protection (ANSI 40)
Posted by niazbibiyana on 20 October, 2017 - 5:55 am
How to find out impedance locus from active and reactive power?
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TSI, TSE Abbreviate in Steam Turbine Power Generation Pertaining to DCS STG Automation Software
Posted by phyjutheen on 19 October, 2017 - 11:18 pm
What is happening in Gas Turbine generator when excitation increased or decreased
1
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Schneider Premium TSX573 Series with PL7Pro 4.2 Program Corrupted
Posted by nestbulala on 19 October, 2017 - 8:36 pm
Our PLC for the Filter Process Control suddenly triggers a different output when you select an input, and we should expect an output signal from the output bus to trigger a relay to start a pump. What could be the best trouble - shooting approach?
2
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Communication Between PLC and DCS
Posted by TanmayPatil on 19 October, 2017 - 12:10 pm
Student of Instrumentation eng. with final year project has a process loop control using DCS and PLC in master slave configuration.
3
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Combustion Dynamics
Posted by Yotsakorn on 19 October, 2017 - 9:26 am
Gas turbine consequences if wobbe index is too high and too low?
2
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Raspberry pi
Posted by rakibcnrd on 18 October, 2017 - 8:56 am
I have two raspberry pi. One is master and other is slave. i want to show the GUI design of master in slave display also.
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Rexroth FE Modbus Control
Posted by daedalus on 18 October, 2017 - 6:52 am
Problems controlling a Rexroth FE variable frequency drive over RS485 MODBUS
6
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Test SDCCG4A Card GE Mark V
Posted by briq on 18 October, 2017 - 4:51 am
SDCCG4A Card GE Mark V cannot communicate to other cards
1
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Power Turbine - Temp Wheelspace High
Posted by parkpaya on 18 October, 2017 - 12:31 am
Power Turbine 1st Stage Temperature HH, How to check that it is really High
5
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Dick Morley
Posted by Jeremy Pollard on 17 October, 2017 - 10:28 pm
Dick Morley, the father of the PLC, has died
2
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Point Guard I/O Safety Modules
Posted by jrice54914 on 16 October, 2017 - 4:49 pm
Point Guard I/O Safety Modules with Compactlogix
1
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PID/Flow Control
Posted by Maj on 16 October, 2017 - 11:23 am
PLC PID controller for flow density control
6
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MARK V (P) Core
Posted by vijaycontrol on 16 October, 2017 - 5:36 am
Need information about MARK V <P> - Protective Core and its TCEA system working structure and related logic
Program Retrieval From Triconex MP
Posted by klepto on 16 October, 2017 - 12:38 am
Can we retrieve program downloaded in the Triconex MP?
2
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N-TRON Switches May Be Causing MKVIe Controller Diagnostic Errors
Posted by CAI on 15 October, 2017 - 11:51 pm
MKVIe Controller diagnostic errors possibly caused by N-TRON Switches
3
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Seal Steam for Steam turbine
Posted by Venkatesh on 15 October, 2017 - 5:53 pm
Why seal steam required at IP/LP Turbine exhaust which is under vacuum
Grain Dispenser System Fuzzy Logic Controller
Posted by gonzalezlrjesus on 15 October, 2017 - 5:12 pm
Looking for tips for the design of a fuzzy logic controller for the gates of a grain dispenser
13
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4-20 mA Analog Output Wiring
Posted by PrakashP on 14 October, 2017 - 1:01 am
How to drive one flow control valve from two different 4-20 mA signals
2
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Flow Divider for Dual Fuel Gas Turbine - Liquid Fuel Systems
Posted by Rotimi88 on 13 October, 2017 - 1:30 am
Flow divider MS6001B DLN dual fuel gas turbine-liquid fuel systems
IGV Angle of Siemens Gas Turbine
Posted by shamsedin on 12 October, 2017 - 12:36 pm
IVG angle of Siemens Gas turbine model v94.3 250MW
1
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Triplog Event Recorder
Posted by kld_rm on 12 October, 2017 - 10:17 am
What software reads Triplog files (.CSV)?
1
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Modbus Integration
Posted by mrashidmaqbool on 12 October, 2017 - 7:38 am
Is it possible to integrate the PLC with serial Modbus availability with a DCS controller over Modbus TCP/IP
Water Sprinkler Systems for Transformer
Posted by novice123 on 11 October, 2017 - 12:22 pm
Standards for water sprinkler systems for transformers
GE DC2000 Drive
Posted by Kevin on 11 October, 2017 - 10:04 am
Looking for a DC2000 parameter list
LQR Implementation using Simulink
Posted by Tauro20 on 11 October, 2017 - 1:00 am
I am trying to stabilize a system using LQR. I was able to find the K, Q, and R matrix. How would I translate this to simulink?
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Comparison between DNP3 and MDLC
Posted by shantanub on 10 October, 2017 - 9:11 pm
Technical comparison between MDLC (Motorola Data Link Communication) protocol and DNP3 protocol.
New Website about TIA Portal
Posted by Robert_J on 10 October, 2017 - 2:28 pm
I would like to invite everyone interested to have a look at my website about TIA Portal
GML Commander on an AB 4100 Controller
Posted by abpanelview on 10 October, 2017 - 11:34 am
Communication error when connecting GML Commander to an AB 4100-234-RL.
1
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Barrier for Temperature Sensor
Posted by Shailesh09 on 10 October, 2017 - 12:58 am
Does temperature sensor (Pt-1000-Skin type) require barrier/isolator in flameproof panel when used in hazardous zone 1 area?
2
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No Pulsation for GTG Inlet Air Filters.
Posted by sreepower1989 on 9 October, 2017 - 4:33 pm
in our site we have 2 GE-6FA+e GTGs, but there is no provision for inlet air filters cleaning with air.
Acromag 961EN and Micrologix
Posted by Jeremy Pollard on 9 October, 2017 - 10:12 am
Interfacing Acromag 961EN and Micrologix over Ethernet
SCADA without MTU, Is It Possible?
Posted by saad0777 on 9 October, 2017 - 8:40 am
Connection between directly RTUs and ICSS, is it a SCADA system?
Fisher Positionner dvc6000
Posted by REBAI007 on 9 October, 2017 - 7:37 am
Communication problem between actuator dvc 6000 and DCS ABB. The actuator not responding. When the actuator is switched to the mode hart and command the actuator with hart 375 its respond.
1
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Control Network Architecture
Posted by Walker1239 on 8 October, 2017 - 11:40 pm
Trying to improve the our plant control system network architecture
9
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Questions about Isochronous and Droop
Posted by SAK on 8 October, 2017 - 8:43 am
I understand droop and isochronous modes, but have a couple of questions.
5
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Bently Nevada Vibration Probe Troubleshooting
Posted by sanjibkumar9 on 8 October, 2017 - 4:28 am
Need help troubleshooting Bently nevada vibration probe issues
3
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Modbus RTU 2-wire Master with 4-wire Slaves
Posted by ossi on 7 October, 2017 - 1:49 am
Need help connecting a 2-wire Modbus RTU master (Honeywell Eagle) to 4-wire slaves (Mitsubishi FR-D700 series inverter), with the wiring or the requirement of a converter device.
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L45HT5HH-Votter Mismatch
Posted by hamid_hkh13 on 6 October, 2017 - 7:21 am
Turbine system and the monitor show error "L45HT5HH-Votter mismatch <S>." This problem is related with <QD2>.
3
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Ratcheting problem in Gas Turbine
Posted by depatriot on 5 October, 2017 - 12:00 pm
Shaft can't rotate when the jaw clutch is engaged but the input shaft rotates when disengaged from the gear box
2
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PID Controllers and Field Equipment Ratings
Posted by gs on 5 October, 2017 - 8:50 am
How are ranges of PID controllers decided with respect to field equipment rating?
3
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ToolboxST passwords to force
Posted by alive000 on 5 October, 2017 - 1:36 am
On my plant, we have 3 gas turbines (GE) working with MARK VI, the question is if I can create different passwords for each unit in order to force from ToolboxST)
Numeric Point
Posted by ammar_yasir on 4 October, 2017 - 10:00 am
What is meant by Numeric Point in TDC 3000 Honeywell?
1
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VT primary grounding with LCI system
Posted by speed_tronic on 4 October, 2017 - 2:04 am
What could be impact of ungrounded primary of PT on measurements or protection?
1
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Pumps tripping
Posted by Kwaku on 3 October, 2017 - 7:03 pm
HRSG feed water pumps kept tripping
3
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Monitoring a flow sensor over a 4-20mA signal
Posted by Eric on 3 October, 2017 - 1:04 pm
Need help with verifying 420mA wiring and devices
2
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Operator Work Station
Posted by JCI_Okinawa on 2 October, 2017 - 8:40 am
Has anyone installed a Building Automation System without an Operator Work Station? What are the Pros and Cons?
5
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Diagnostic alarms in Z VPRO
Posted by partyman on 2 October, 2017 - 3:28 am
Diagnostic alarms are coming in Z VPRO intermittently and are getting reset...
3
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Chemical Dosing
Posted by rakesh on 1 October, 2017 - 10:00 am
Boiler Chemical Dosing - automation - reg
2
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Noobe technician: Which company to target?
Posted by Mac29 on 30 September, 2017 - 11:10 pm
Recent Mechatronics "graduate" thinking of applying to ABB, Rockwell Automation, etc. Which would be best and why?
Making Modbus/TCP **Much** Faster
Posted by Rob Hulsebos on 28 September, 2017 - 3:42 pm
Modbus/TCP can be considerably faster if TCP's capabilities are properly used.
What is the HFT of QMR system?
Posted by hany5757 on 28 September, 2017 - 1:17 pm
What is the HFT of QMR system? Comapre QMR with TMR??
2
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Altivar 61 Parameter Question
Posted by Tailspin14 on 28 September, 2017 - 9:48 am
Can Altivar 61's parameters change by themselves?
1
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GE hydro turbine governor control
Posted by muhammadusman on 28 September, 2017 - 7:09 am
What is a difference between governor position control, power control and ISOCH mode?
9
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Drum Level Measurement
Posted by Pendor01 on 28 September, 2017 - 5:57 am
Found drum level transmitters ranged higher then mechanical taps...
5
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DYNA Guide
Posted by nikkumnit1 on 28 September, 2017 - 2:00 am
Looking for information about dynaguides basic principle of working. All i know is its a Electro hydraulic controllers.
GT13E2 Turbine Operation Manual
Posted by ASHISH GUPTA on 27 September, 2017 - 7:20 am
Looking for GT13E2 Turbine Operation Manual
1
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Hydraulic Pump FR6 Turbine
Posted by CTLP on 26 September, 2017 - 4:26 pm
Looking for information about the best hydraulic pump for Frame 6001 applications
4
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Simulated Integer Values
Posted by DigiJoe on 26 September, 2017 - 10:20 am
I would like suggestions on how to "fluctuate" integer values randomly within a certain range in a Siemens S7/TIA Portal project and display these values on an HMI.
System Event List Message for Gateway Module
Posted by chrisdorinel on 26 September, 2017 - 6:50 am
Looking for information on messages for bently nevada gateway module
2
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Necessity Of Compressor Washing
Posted by EhsanD on 26 September, 2017 - 4:07 am
What is the necessity, frequency, advantages and disadvantages of compressor washing for GE 9E Gas turbines?
1
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Controller Tuning for Non Self-regulating Process
Posted by RSW001 on 25 September, 2017 - 6:39 pm
Looking for a straightforward method for measuring the parameters of a 2nd order non self-regulating process, and then use them to calculate controller tuning parameters.
11
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TBCB Card Not Updating
Posted by waltrobinson on 25 September, 2017 - 10:34 am
Unit has expansion card TBCB in <C> core. After adding new input, card will function normally for one to two days then stop updating inputs.
2
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TBQD Card MKV Freezes
Posted by CarlosMKV on 25 September, 2017 - 9:25 am
After activation of 3 more mA inputs in TBQD ( extended ) card in C processor, values get frozen after a few days.
2
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Yokogawa Prosafe 2.03 Debug Error
Posted by msohaibbutt on 25 September, 2017 - 5:06 am
I am facing an issue regarding Yokogawa Prosafe Debug Mode on SCS_Simulator.
Rexroth VT5041 Card Problem
Posted by putiss on 25 September, 2017 - 4:05 am
Rexroth hydraulic regulation problem
Best PLC for Masterflex
Posted by Charlotte on 25 September, 2017 - 2:33 am
What would be the best PLC to connect several MasterFlex L/S 7523-90 pumps to the computer?
5
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AA Compressor Related Problem
Posted by kh000 on 23 September, 2017 - 9:15 pm
Frame 6B machine AA compressor discharge pressure hunting and AA temp drop is happening frequently.
1
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Electric Generators
Posted by Reinkort on 23 September, 2017 - 3:57 am
I am looking the information about special electric generators for a new energy generation solution.
6
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Wet Leg Level Measurement with Both Legs Connected
Posted by boosterhidrogen on 23 September, 2017 - 2:55 am
Reason for wet leg level measurement with both legs connected
Rosemount TankMaster WinOpi Software Problem
Posted by Pak Engineer on 23 September, 2017 - 1:26 am
Radar tank gauge not showing level in WinOpi software.
3
replies
Hot Air Leaks
Posted by k00 on 22 September, 2017 - 11:14 pm
Areas/locations with high probability of hot air leaks
5
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Fluid Interface Detection and Level Control in 3 Phase Oil Water Gas Separators
Posted by JohnSM on 22 September, 2017 - 5:15 pm
Seeking input on effective electric, non-pneumatic method for controlling fluid levels in 3-phase oil and gas separators
TSX Micro Communication
Posted by plcqa on 22 September, 2017 - 2:43 pm
Is it possible to make a custom communication using a PLC as an I/O slave?
Tags in Panelview Showing Error
Posted by tony_war on 20 September, 2017 - 12:52 pm
Tags in Panelview HMI displaying error during operation
5
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MarkVI-e, PFR ON an PFR OFF
Posted by rokan_123 on 20 September, 2017 - 12:03 pm
GE MarkVIe operating option PFR ON/OFF
3
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Advice for Interface Level Transmitter Selection
Posted by hany5757 on 20 September, 2017 - 11:43 am
Interface level transmitter for between dirty oily water and oil for 5 meter long tank