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High Enet Traffic
Posted by jprieto on 5 May, 2016 - 11:52 am
I need help with the relays of the serie SR3 Multilin.
Card Faults in Triconex PLC
Posted by vbalaji892 on 5 May, 2016 - 3:00 am
Triconex PLC analog input card 3700A fails regularly. The diagnostics show a "voter fault" at the point(s) where it occurred. However the point is different every time.
CT, High and Impedance Electrical System
Posted by NKT on 4 May, 2016 - 9:41 pm
High or Los impedence system how can you say ?? On what basis? What happens if CT saturates?
Analog Output Faceplate in Delta V
Posted by mkasim1985 on 4 May, 2016 - 12:38 pm
How to configure valve dynamo in Delta V operator to work with analog output face plate.
Add Totalizer to GE Mark V
Posted by briq on 4 May, 2016 - 3:05 am
How to add Mark V Analog Accumulator for Gas Flow Metering?
1
reply
Reccomendations for Field Calibrating DP Transmitters Used in Very Low DP Applications?
Posted by alcontrast on 4 May, 2016 - 2:00 am
I'm looking for tips for field calibrating DP transmitters for water flow that are scaled 0"-15" water column or lower.
How to Receive Program from SattCon OP45 PLC?
Posted by AmenAllah on 3 May, 2016 - 9:17 am
Upgrading control system from SattCon OP45 PLC to a Simatic control system.
Fetching Data from Wago PLC Using DNP3 Through a Modem
Posted by azam007 on 3 May, 2016 - 7:03 am
Wago PLC fetching data using Tainy GMODE S3 GSM modem on the PLC side and Moxa G2110 GSM mode at SCADA side.
Flame Detector Orientation Check
Posted by Kohsa on 3 May, 2016 - 5:39 am
Need to check the orientation for the existing flame detectors.
2
replies
Modbus RTU Network and Slave Addresses
Posted by ffares on 3 May, 2016 - 5:09 am
how to find the address of a slave? what should i have in addition to my devices as Software and tools?
SDI-12 to Modbus RTU Converter
Posted by Sayyed on 3 May, 2016 - 3:19 am
Looking for a SDI-12 to Modbus RTU media converter
1
reply
Compressor Efficiency
Posted by Khattak on 3 May, 2016 - 1:42 am
How to calculate correct compressor efficiency
2
replies
All the Major Fieldbus Protocols in One Course?
Posted by bin95 on 2 May, 2016 - 12:06 pm
Was wondering does this online course really cover all the major Fieldbus protocols?
3
replies
Network Design for Automation
Posted by dschmidt on 2 May, 2016 - 10:15 am
No Ethernet on the floor, but need to migrate a couple of PLC-5 and SLC PLCs to a contrologix platform with an Ignition Server running the HMI.
1
reply
Distance for HART Communications
Posted by shaker on 2 May, 2016 - 6:17 am
What is the maximum distance for HART communications? 2Km? 120km?
GT Exhaust Thermocouple Failure Alarms
Posted by niazbibiyana on 1 May, 2016 - 4:27 pm
What is the logic behind "first failure high exhaust thermocouple" and "first failure low exhaust thermocouple" alarms?
2
replies
Forced Signals on Tristation
Posted by Diaa on 1 May, 2016 - 8:14 am
Listing all of the forced signals in one page
1
reply
Simatic S5-115U with Panel - the Same Data After Reboot
Posted by Michal on 1 May, 2016 - 3:09 am
Problem with data on the panel, after rebooting the machine. Data is still the same.
1
reply
DVC 6200 Not Communicating 475 Field Communicator
Posted by varatharajan on 30 April, 2016 - 3:50 pm
Facing problem in one of my DVC 6200 positioner
2
replies
SPEEDTRONIC VIe Control System
Posted by bronx9669 on 30 April, 2016 - 5:01 am
Important things to learn when studying SPEEDTRONIC VIe Control System
3
replies
Mark V IO.ASG Analog outputs
Posted by has100 on 29 April, 2016 - 8:15 pm
Mark V IO.ASG Analog outputs
1
reply
How to Learn ToolboxST Mark VIe
Posted by bronx9669 on 29 April, 2016 - 5:46 am
How can I learn basic ToolboxST Mark Vi?
Redundant Ethernet Switch
Posted by engr_salman on 29 April, 2016 - 4:00 am
Best method of adding a redundant Ethernet Switch connecting main and standby PLC to the redundant SCADA servers.
1
reply
Redundancy at Communication Level
Posted by engr_salman on 28 April, 2016 - 6:50 am
Is it possible to add a redundant NOE communication Module with Quantum Hot Stand by Processor?
10
replies
Generator Breaker Cannot Open
Posted by POOM on 28 April, 2016 - 3:08 am
What is happening when gas turbine GE flame 6 tripped but generator breaker does not open?
3
replies
Tank Level - Integrating or Self Regulating
Posted by milo510 on 27 April, 2016 - 10:25 pm
Pumped tank discharging via VSD controlled centrifugal pump
Berger Lahr Devicenet Data Sheet Wanted
Posted by tony_war on 27 April, 2016 - 7:10 pm
Looking for an Berger Lahr Twin Line TLC53X Devicenet electronic data sheet file
6
replies
Working with Mark V and Mark VIe
Posted by grajesh on 27 April, 2016 - 6:27 am
Is it easy to work on Mark VIe compare to Mark V?
2
replies
Versamax Micro Controller Timeout Error
Posted by stanley on 27 April, 2016 - 4:03 am
Getting timeout error when trying to connect to Versamax Micro PLC using Versamax Pro.
InTouch DASMBTCP split 32bit Word into Bytes, Nibbles?
Posted by willpoll on 26 April, 2016 - 3:56 pm
Can InTouch DASMBTCP split 32bit word into bytes, nibbles?
4
replies
Honeywell Experion PKS R430.3, Cascade Loop Initialization
Posted by mcwv on 26 April, 2016 - 2:07 pm
Have a PID block which needs a hold of some sort, is resetting upon initializing with downstream blocks.
4
replies
GT Liquid fuel hunting
Posted by Wajid29 on 26 April, 2016 - 7:59 am
GT fuel oil hunting during startup and after synchronization (up to 40 MW)
1
reply
PLC S7 300 Outputs problem
Posted by kannan on 26 April, 2016 - 3:25 am
PLC S7 300 All Outputs frequently turning OFF. To turn back ON we have to turn them ON from HMI.
1
reply
GE Frame 6 Mininum Load
Posted by John Look on 26 April, 2016 - 1:39 am
Why does GE frame 6 have minimum load requirement?
2
replies
Abnormal Speed
Posted by sardar99 on 25 April, 2016 - 1:57 pm
Abnormal speed while coming down, Mark VIe
EX2000 Intermittent "Loss of Communication", No Alarms on Mark6e
Posted by borrellimd on 25 April, 2016 - 9:19 am
Need help isolating the cause of the "Loss of Com" on an EX2000. New HMIs don't have Arcnet so I don't have the 'Arcwho' tool.
1
reply
Troubleshooting with Circuit Diagram
Posted by WillyBlackson on 25 April, 2016 - 7:31 am
as an electrical maintenance engineer my major challenge remains troubleshooting with diagram
5
replies
Lube Oil Header Temperature Trip
Posted by Jerryy on 24 April, 2016 - 5:34 pm
7Fa unit lube oil header temperature high trip, no alarm, no trip switch
1
reply
Sizing Three Phase Induction Motor
Posted by krishnan on 24 April, 2016 - 2:01 pm
Sizing three phase Induction motor for pump/compressor application
PID Tuning Software
Posted by farhanraza on 24 April, 2016 - 5:35 am
Approximate cost of PID tuning software
2
replies
Modbus Testing Through Modscan
Posted by charz on 24 April, 2016 - 4:45 am
Trouble with the testing of ModBus connection through Modscan
1
reply
Looking for the Transfer Function of Radiator
Posted by zainy on 23 April, 2016 - 11:27 am
What is the transfer function of a radiator (heat ex-changer) in a temperature control system?
1
reply
Generator Phase Distance Protection
Posted by greatmark on 23 April, 2016 - 3:33 am
please somebody explain about generator phase distance protection
6
replies
Question about PLC Input Module
Posted by umrz180 on 23 April, 2016 - 3:22 am
I am facing a problem of PLC selection and Input Module.
1
reply
Use of Ex'i' Certified Transmitter Without Isolating IS Barriers
Posted by Mohan Jayaraj on 23 April, 2016 - 1:59 am
Can Ex'i' certified transmitters be used in zone 2 without applying IS philosophy?
6
replies
Calculation of Power for 3 Phase Supply
Posted by gulabg on 22 April, 2016 - 9:22 am
Calculation of power for a 3 phase unbalanced circuit
3
replies
Data Capture from Mitsubishi PLC Controller
Posted by DeanMor on 22 April, 2016 - 7:09 am
A quick inquiry regarding capturing the data from PLC via Serial. Currently connected to matrix printer, needs to be readable and stored to a computer.
2
replies
9FA Gas Turbine Load Compartment and Turbine Compartment Excessive Ventilation
Posted by niazbibiyana on 21 April, 2016 - 8:47 am
While changing over load compartment fan and turbine compartment fan, "Excessive load/turbine compartment ventilation" alarm appeared
Computation Load
Posted by vladik on 21 April, 2016 - 6:24 am
How to calculate the computation load for a discrete controller?
Micrologix 1200 comunication
Posted by Khushboo on 21 April, 2016 - 4:03 am
ML1200 communication with HMIGTO2310
2
replies
HMIWeb Display Builder
Posted by mohamedilies on 19 April, 2016 - 9:43 am
How to modify or change color of motorised valve positions using HMIWeb display builder in Honeywell Experion PKS?
6,900 VAC
Posted by sparke5000 on 19 April, 2016 - 7:25 am
Safety and wire type to go from a generator to a load bank (5mw).
2
replies
Combustion Trouble GT Frame 6E with DLN
Posted by SMS on 19 April, 2016 - 6:51 am
Combustion trouble with GT load hunting. Sometimes appearing sometimes not.
3
replies
Mark V All Thermocouples Not Showing IO CFG
Posted by JJss on 19 April, 2016 - 2:40 am
GE Mark V control system -IO configuration screen all the Thermo-Couple are connected to the <R>TBQA terminals are not showing.
Quantum 651 50 PLC
Posted by Alex on 18 April, 2016 - 3:08 pm
Looking for a sample Unity Pro file with a Quantum 651 50 CPU
2
replies
Generator Protection Calculation
Posted by Digu on 18 April, 2016 - 7:07 am
Calculating generator relay settings
MSV to GV Transfer in Steam Turbine
Posted by Bhakti Peshkar on 18 April, 2016 - 5:43 am
What happens when we change the speed control of Steam Turbine for subcritical Power Plant from MSV to GV?
8
replies
GE Frame 5 Trips After Synchronising
Posted by ahdash on 17 April, 2016 - 6:15 pm
GE gas turbine tripped after 1 minute of closing circuit breaker
4
replies
Cascade Loop in Honeywell Experion PKS
Posted by mostafa_qasemi1987 on 17 April, 2016 - 2:54 pm
If PV of secondary PID goes to NaN control Valve directly control by primary PID
2
replies
Honeywell UDC3000 Setup Problems
Posted by epitaxial on 16 April, 2016 - 8:47 pm
Need help with Honeywell UDC3000 Setup.
Engine Shuts Down During Start-Up
Posted by shinobi on 16 April, 2016 - 8:22 am
Engine over voltage and protection relay trips engine. Quickly set relay and engine runs correctly.
Pl7 and OFS Simulator Server
Posted by Mkz on 16 April, 2016 - 7:02 am
How to simulate PL7 control program without connecting to PLC?
2
replies
DI AO and AI on Same Cable
Posted by Akinzo on 16 April, 2016 - 4:08 am
Can I use a multi core cable to run AO, AI and DO signal on a 12/24Vdc
1
reply
Old Seiberco AIM LX 5000
Posted by McReagant on 15 April, 2016 - 3:01 am
I cannot control the driver. Serial connect only get "w" or "vw" charracter.
Compressor Bleed Valves
Posted by usiner on 14 April, 2016 - 10:20 am
Design parameters for compressor bleed valves in a W251B combustion turbine
Coriolis D600 (Sensor) and RFT9739 Transmitter
Posted by Hassantariq141 on 14 April, 2016 - 5:13 am
Coriolis Density measurement system "Zero spike issue"
1
reply
Power Consumption Calculation for Field Devices
Posted by jigna1212 on 14 April, 2016 - 3:52 am
Looking for the details required related to power calculation of field devices
4
replies
1746-NR4 Powering off the PLC
Posted by PSDonald42 on 13 April, 2016 - 9:16 pm
SLC-500. L532. NR4 Causes the PSU to power off and dump the program.
2
replies
Wheel Space Temperature
Posted by dontknowman on 13 April, 2016 - 5:07 pm
What temperature do wheel space thermocouples actually indicate the temperature of in fact?
how Can I Compare Between PI and PID Control?
Posted by ahmedAsw on 13 April, 2016 - 1:44 pm
What are the main disadvantages of PI and PD? How to compare PI and PID control?
Leaking Pressure Transmitter Manifolds
Posted by Luke on 13 April, 2016 - 9:23 am
Has anyone experienced two valve pressure transmitter manifolds leaking out the valve stem handle?
1
reply
1.5 V D SIZE BATTERY (2 BATTERY ) Capacity Adapter
Posted by vinayak on 13 April, 2016 - 7:30 am
Which power adapter required for 1.5V D SIZE LR 20 Alkaline battery?
8
replies
TTRXB Temperature Control
Posted by Turboget on 12 April, 2016 - 9:19 am
Temperature control in GE frame 9E gas turbine
ModBus TCP Redundant Ring Structure
Posted by sameng on 11 April, 2016 - 8:48 pm
Implementing redundancy protocol with ModBus TCP
1
reply
DB25-RJ45 Connection in ABB Advant MasterBus300
Posted by vutq on 10 April, 2016 - 10:27 pm
How to configure IP address for connection between DB25 & RJ45 in ABB Advant MasterBus300.
2
replies
Hot End Generator and Cold End Generator
Posted by aisyah on 10 April, 2016 - 9:18 pm
Difference between hot end generator and cold end generator
1
reply
PROCAL 2000 CEMS Analyzer
Posted by Kohsa on 10 April, 2016 - 4:54 am
PROCAL CEMS Analyzer calibration gas cylinder set point
Retreaving a Program from a Cutler-Hammer PLC
Posted by dickc on 9 April, 2016 - 4:20 pm
Any ideas on how I retreave a the ladder drawing from a Cutler-Hammer D100a PLC?
Intouch LGH File to CSV File
Posted by fm5206 on 8 April, 2016 - 5:47 pm
Convert .lgh files generated by Wonderware InTouch to .CSV
5
replies
Flickering PLC Inputs - Cause? Plausibility?
Posted by Brad on 8 April, 2016 - 12:20 pm
Possibility of flickering inputs on a PLC? Noise, moisture, or a glitch?
1
reply
Modbus TCP and Campbell Scientific CR-6 Communications Problem
Posted by Tim on 7 April, 2016 - 2:43 pm
ModBus/TCP is hanging up...
6
replies
Droop Setting in Different Cases
Posted by cbcdiligence on 7 April, 2016 - 6:43 am
Looking for information on droop setting in different cases
Speed Droop Mode for Mains Parallel Operation
Posted by cbcdiligence on 7 April, 2016 - 5:43 am
speed droop mode for mains parallel operation
1
reply
PLC2 Programming
Posted by peabo on 6 April, 2016 - 2:44 pm
Trying to open a ladder program to edit for A PLC2 Can upload the current program, but not view it.
1
reply
9E Fuel Pressure Selector Valve
Posted by MG on 6 April, 2016 - 1:44 pm
9E gas turbine fuel flow pressure selector valve stuck and do not have the service manual
Gas Turbine Frame 6 Performance
Posted by Abualhsuin on 6 April, 2016 - 4:59 am
What are the reasons may cause gas turbine to give bad performance?
1
reply
Connecting Ex na [iC] Field Device
Posted by ndtiger on 6 April, 2016 - 3:37 am
Connecting an Ex nA nC [ic] device and zenner barrier
1
reply
3 Ph 10Kv Oven Blues...
Posted by denson1932 on 5 April, 2016 - 3:27 pm
Blown fuses and huge current flow
3
replies
Reliance Automax Training
Posted by kkellyzink on 5 April, 2016 - 11:03 am
Looking for Reliance Automax Online Training.
1
reply
Serial to Ethernet Converter Problem
Posted by David on 5 April, 2016 - 11:00 am
Using IE-CS-2TX-1RS232/485 is a Serial to Ethernet converter to communicate and convert a serial signal from a flow computer to TCP/IP to my laptop. My client is Radzio ModBus Master Simulator.
1
reply
Mark-VI Diagnostic Alarms and Issue with UCVE Card
Posted by samson16 on 5 April, 2016 - 9:33 am
Facing diagnostic alarms in Mark-VI: diagnostics in VCMI 1) TOPOLOGY FILE/ CARD ID MISMATCH (FAULT CODE 56) 2) CARD ID/AUTO SLOT ID MISMATCH (FAULT CODE 55) 3) I/O CARDS 4/16/20/21 OFFLINE.
2
replies
Correcting Measured Inlet System Pressure Drop to 20 Deg Centigrade
Posted by suryapower on 5 April, 2016 - 5:03 am
How to correct measured inlet pressure drop of 38 mm of h2o 36 deg centigrade to inlet pressure drop
10
replies
Square D SY/MAX 400 PLC Connection Problem
Posted by Autominator on 4 April, 2016 - 6:40 pm
Unable to go online with Sy/Mate Plus software to download program
Vehicle Model Using PWM and ADC
Posted by John Adams on 4 April, 2016 - 6:23 pm
Looking for comments on vehicle model code in C that incorporates the concepts of PWM and ADC.
Transformer Selection
Posted by leslieman on 4 April, 2016 - 1:39 pm
Looking for a replacement
3
replies
ModBus TCP/IP Connection Between Remote Janitza Energy Meter and Simulink
Posted by LouisCast on 4 April, 2016 - 8:37 am
Retrieving data from a remote Janitza energy meter with Simulink using ModBus TCP/IP communication
2
replies
Reading More Than One Float Data Via ModBus RTU Using S7-1200 with CM1241
Posted by kysytoctrang on 4 April, 2016 - 6:59 am
Using S7-1200 as ModBus RTU/Slave. When I read float data from a slave and save to DB, only received0 value.
2
replies
SICK Ultrasonic Flare Flow Meter
Posted by Kohsa on 3 April, 2016 - 12:09 pm
SICK ultrasonic flare flow meter giving erratic reading while the high flow take in place.
3
replies
Hunting Of 77FD On Gas Fuel
Posted by Mustafa on 3 April, 2016 - 8:27 am
We are facing hunting in 77fd-1, 77fd-2 while the gas turbine (Frame 9 -Mk Vie) is running on gas fuel.
10
replies
IGV Hand Wash Effect on GT Output and Heat Rate
Posted by suryapower on 3 April, 2016 - 6:01 am
Quantifying the improvement in output and HR of gas turbine solely after hand wash cleaning without offline water wash?