Today is...
Tuesday, January 24, 2017
Welcome to Control.com, the global online
community of automation professionals.
Featured Video...
Featured Video
A demonstration of EtherCAT control of linear motors using the CTC EtherCAT master.
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive
Forum Archive
1
reply
Modbus Comm between Totalflow XFC and Prosoft PLX31
Posted by imti2356 on 3 October, 2016 - 8:18 pm
Modbus comm. issues between Totalflow XFC and Prosoft PLX31
5
replies
Anyone Here Ever Create an HMI utilizing OPC, .net and C# ?
Posted by W3RDG on 3 October, 2016 - 7:28 pm
Has anyone has ever created an HMI application/OPC client using C#/.net?
3
replies
IEC 61850 Communication with MODBUS TCP
Posted by Subrat on 3 October, 2016 - 8:40 am
Transmit signals from Modbus TCP system to IEC 61850-101/104 communication Protocol SCADA System.
ABB Sumphony Harmony DCS NIS/NPM Problem
Posted by bhimani112 on 3 October, 2016 - 6:23 am
Alarm in ABB DCS communication module (NIS/NPM)
2
replies
Detecting Spark Discharge in 7FA Lube Oil Filter
Posted by Aptx4869 on 3 October, 2016 - 3:58 am
Spark Discharge in Lube Oil Filters.
4
replies
475 HART Communicator Disconnected when Simulated the 4~20mA
Posted by dsony on 2 October, 2016 - 11:41 pm
When I simulate from 4-15 mA via 475 communicator, the communicator was not disconnected. Now when I simulate the transmitter to 17-20 mA the communicator was disconnected.
2
replies
Generator Capability Curve
Posted by bulldog1 on 1 October, 2016 - 7:17 pm
question on Excitation and generator capability curve
BAS Graphics
Posted by shorman on 1 October, 2016 - 7:45 am
BAS Graphics
Not Able to Configure ABB DMC tzidc 120
Posted by kishantilava on 30 September, 2016 - 1:54 pm
ABB make DMC TZIDC 120, not showing in 475 hand held communicator. Can anybody help me to solve this?
Need Caterpillar EIS Communication Registering MAP Adress
Posted by Syed Mohammad Naveed on 29 September, 2016 - 4:26 am
Communication With Caterpillar EIS Via CCM with PLC....
2
replies
How to connect 10 RS-485 Devices with Citect SCADA
Posted by amer on 29 September, 2016 - 12:16 am
How can I implement a SCADA system for 10 devices that communicate via RS-485?
2
replies
Mitsubishi UPS 9900b Modbus Registers
Posted by dsans on 28 September, 2016 - 6:06 pm
Integrate Mitsubishi UPS 9900b with Niagara AX
12
replies
Gas Turbine Free Governor Mode of Operation
Posted by niazbibiyana on 28 September, 2016 - 4:24 pm
Difference between droop mode and free mode of operation
3
replies
Hydrogen Cooled Generator Purging
Posted by bfishe01 on 28 September, 2016 - 1:25 pm
Purging of a hydrogen cooled generator
2
replies
TIA Portal V13
Posted by SA88 on 28 September, 2016 - 8:06 am
Retrieving project in TIA portal V13 failed
9
replies
IGV Servo Positions Explanation
Posted by asarhan on 28 September, 2016 - 7:32 am
GE frame 9E IGV servo valve 90TV-1 positions Explanation
Parameters for a Bosch CC100
Posted by jimbob36 on 27 September, 2016 - 4:28 pm
In need of parameters for Bosch CC100 on an SCM Routomat 2
2
replies
On Line Wash
Posted by ibr2016 on 27 September, 2016 - 11:08 am
Results of on line wash
Experion PKS R430 PID Execution
Posted by mcwv on 27 September, 2016 - 9:54 am
Trying to find a way to implement a controller that will only execute upon an updated measurement coming through.
1
reply
Thermocouple Quick Disconnect and Theory
Posted by Maximuse on 27 September, 2016 - 9:43 am
Trying to find a T/C quick disconnect solution for multiple signals, and debunk some myths.
Read Data from SPPA-T2000
Posted by rvahedipour on 27 September, 2016 - 7:14 am
I need to read data from TXP via terminal bus.
Unknown Parameters in Adaptive Observer
Posted by joskal on 27 September, 2016 - 4:31 am
For a project, I'm designing an adaptive observer and I'm trying to figure out how many unknown parameters I can use.
4
replies
Breaker Closure Speed in Synchronising
Posted by Mund123 on 27 September, 2016 - 1:37 am
Replacing generator breaker with ones that close faster. Do we have to make changes in ToolBox?
1
reply
Vacuum Low but Condenser Exhaust Steam Pressure High
Posted by instrumentTH on 26 September, 2016 - 11:12 pm
I have issue about exhaust steam pressure high, cannot build up vacuum condenser. One unit can build up and other one unit cannot.
5
replies
MKIV R, S, T Communication Link Inoperative
Posted by samysa on 26 September, 2016 - 3:53 pm
GE frame6b Speedtronic drive by MKIV. In two machines suddenly happen <R>, <S>, <T> communication link inoperative in same time.
Yokogawa Virtual Test Function Error
Posted by CraigR on 26 September, 2016 - 10:18 am
Been using a CS3000 to run a simulator and started getting a virtual test function locked error
5
replies
Snubber for Pressure Gauge
Posted by elmira on 26 September, 2016 - 3:40 am
liquid filled and snubber for pressure gauge
1
reply
Panel View Plus 1000 Communication
Posted by Kohsa on 26 September, 2016 - 3:05 am
HMI is not browsing with PC
2
replies
Interfacing a Temperature Transmitter to a PLC
Posted by Wisdom on 25 September, 2016 - 1:23 pm
Interfacing wireless Temperature or Pressure Transmitter with a PLC
2
replies
Honeywell Experion PKS Totalizer PV
Posted by christa on 25 September, 2016 - 6:15 am
How to remain Totalizer PV after restarting Experion system servers?
1
reply
Problem with Nonlinear Function
Posted by guto on 24 September, 2016 - 7:25 pm
Having trouble creating a function
1
reply
Main Heat Exchanger Failure
Posted by Ahmad Walid on 24 September, 2016 - 2:05 pm
Frame 9E main heat exchanger of the cooling water system failed due to water leaks in many places.
1
reply
WinCC Online Tutorial
Posted by Romjke76 on 24 September, 2016 - 9:17 am
Looking for a link to free WinCC video lessons
1
reply
GE Frame 6B Tooling
Posted by davidmcc on 24 September, 2016 - 4:57 am
Rotor removing for GE Frame 6B
1
reply
GT Exhaust Thermocouple Failure Alarms
Posted by niazbibiyana on 23 September, 2016 - 11:06 am
What is the logic behind "first failure high exhaust thermocouple" and "first failure low exhaust thermocouple" alarms?
1
reply
Pressure Temperature Compensation of a Gas
Posted by Inst eng on 23 September, 2016 - 10:33 am
Pressure temp compensation of a gas.
Connection Between INAT OPC Server and SLC 503 PLC
Posted by SA88 on 23 September, 2016 - 9:34 am
trying to access a Allen Bradley SLC 503 PLC via INAT OPC server
1
reply
Interface Meter
Posted by sasp on 23 September, 2016 - 4:32 am
Details on level interface meter.
2
replies
DG Neutral Voltage Displacement
Posted by sangeetha_ma on 23 September, 2016 - 12:21 am
DG Neutral voltage displacement.
Alstom P543 Relay PSL Issue
Posted by saravanan2487 on 22 September, 2016 - 11:16 pm
Unable to extract the PSL file from the Alstom P543 relay. I am using Agile 1.3 software with update data models.
CDC USB Communication in Visual Basic 6.0
Posted by AKN22 on 22 September, 2016 - 3:18 pm
Required code flow for CDC USB Communication in VB6.
2
replies
Effect of reducing pressure in Gas Orifice based measurement system
Posted by chillwin on 22 September, 2016 - 5:04 am
What is the effect of reducing the pressure in a gas orifice plate measurement system?
6
replies
does Ex d Ib need IS barrier?
Posted by MarionM on 22 September, 2016 - 4:16 am
does Ex d Ib instrument need IS barrier?
1
reply
OPC Client communication with Diasys Netmation OPC server
Posted by sandeep on 22 September, 2016 - 1:14 am
Diasys Netmation OPC server not connecting with OPC Client
10
replies
IGV Opening at Base Load
Posted by Seeker1988 on 21 September, 2016 - 11:16 pm
When GT reaches Base Load, the power gets reduced by approx. 1 MW.
1
reply
SBOw writes to GE Multilin 845/869
Posted by RonFries on 21 September, 2016 - 10:22 am
I'm having trouble getting either the GE Multlin 845 or 869 to accept a Select-Before-Operate with enhanced security (SBOw) write via 61850 MMS using the IEDExplorer tool.
1
reply
Modbus UDP Client
Posted by harikrishnan on 21 September, 2016 - 10:22 am
Seeking Modbus UDP Client and more information...
1
reply
Measuring Speed and distance
Posted by Martin on 21 September, 2016 - 6:41 am
Basically I am looking at ways to measure the speed and height of a raising arm accurately.
1
reply
Connecting the S6899 Modbus TCP IP to a PC
Posted by crossover on 21 September, 2016 - 3:42 am
Hello guys I am very new using Modbus and I want someone who can help me
Programme controlled (PLC) on-off switch
Posted by jangid on 20 September, 2016 - 11:32 pm
I want to control a PLC via RS232 to allow or disallow a particular input to have an effect on the output.
1
reply
BLDC waveform
Posted by tom157 on 20 September, 2016 - 10:15 pm
Better understanding the behavior of BLDC motor
4
replies
32Bit Modbus Register and OPC Server
Posted by Rashid Ashraf on 20 September, 2016 - 7:59 am
Modbus Slave device has 32Bit registers and need OPC server to read them
1
reply
CAP Certification
Posted by AE01 on 20 September, 2016 - 7:43 am
CAP Certification Preparation
Effect of Percentage Impedance in Furnace Transformer
Posted by P.Kanakaraj on 20 September, 2016 - 6:05 am
Elaborate on % impedance of power transformer.
1
reply
How to Calculate the Kvar in Load Capacity
Posted by saldy on 20 September, 2016 - 2:37 am
how to calculate kvar of any given load...
3
replies
Totalize an Analog Value
Posted by N3YYZ on 19 September, 2016 - 7:28 pm
Totalize an analog value RSlogix 500
1
reply
GE Frame 7FA Generator - Hydrogen Purity Sensor
Posted by Engineer on 19 September, 2016 - 11:59 am
It appears the GE machine had two hydrogen purity meters originally. In 2012 we replaced the original system with a new system that only had one hydrogen purity monitor that is monitoring the casing purity.
1
reply
Atomizing Air
Posted by Seeker1988 on 19 September, 2016 - 9:58 am
Regarding the Atomising air pressure.
1
reply
Looking for resources and training , any advice
Posted by christa on 19 September, 2016 - 6:26 am
need sources, books, videos or online training on Honeywell Experion PKS
Induction Motor Star or Delta Wrong Connection
Posted by biigibdeh on 17 September, 2016 - 5:56 pm
Motor winding connection if reversed? Either in star or delta
W7 Toshiba VSD
Posted by ncarl on 17 September, 2016 - 12:52 pm
Toshiba W7 VSD's went down on OV and won't reset
1
reply
Diagnostic Alarms
Posted by ashuashu180 on 17 September, 2016 - 11:05 am
Diagnostic alarms
4
replies
Speed Reference in GTG
Posted by ashuashu180 on 17 September, 2016 - 10:51 am
Speed reference
2
replies
OPC DA server
Posted by Mund123 on 17 September, 2016 - 2:23 am
Mark Vie OPC DA Server error
2
replies
Spindle Frequency?
Posted by Warnakula on 16 September, 2016 - 12:25 pm
I bought and installed a new 1.5kw water-cooled spindle with an inverter to run it. Now whenever I switch the spindle on it triggers my limit switches
2
replies
Torque Converter in Frame 5 Machine
Posted by ashuashu180 on 16 September, 2016 - 11:18 am
Torque convertor of GTG Frame 5 m/c
Ovation DCS to S7 400 PLC Communication
Posted by vishal_ladava on 16 September, 2016 - 1:29 am
Ovation DCS needs to read data from S7 400 PLC.
7
replies
MkII Calibration patchboard jumpers
Posted by topcat123 on 15 September, 2016 - 4:15 pm
MK2 Calibrator case patchboard jumpers leads...
Intermittently Gateway target device failed to respond
Posted by phmazzoni on 15 September, 2016 - 1:41 pm
I am having a intermittently gateway target device failed to respond error code from a ConneXium TSXETG100 Ethernet/Modbus Gateway.
Tags from Unity Pro to CITECT
Posted by Taaal on 15 September, 2016 - 12:01 pm
Export tags from Unity Pro PLC to Vijeo Citect explorer SCADA...
1
reply
Fuel Gas Module Confiurations
Posted by sanjay029m on 15 September, 2016 - 7:58 am
We have two type of Valve configurations for GE gas turbine Fuel Gas Modules..i.e Splitter and ICV Type.
3
replies
Adding Emergency Seal Oil Pump Start Timer to Timers and Counters
Posted by Anthony63 on 14 September, 2016 - 11:56 am
I would like to add L62ES (Emergency Seal Oil Pump Start Timer) to the Timers and Counters.
2
replies
Leakage in Generator Hydrogen Cooling System
Posted by Inst_KY on 13 September, 2016 - 1:57 pm
Gas Turbine: GE frame 7 Hydrogen Leaking
2
replies
Day-by-day On Line Wash
Posted by ibr2016 on 13 September, 2016 - 10:09 am
online washing
3
replies
Ultrasonic Flowmeter Measurement Problem
Posted by wangzhichao on 13 September, 2016 - 9:41 am
The signal from the ultrasonic flowmeter jump down to zero.
Connecting Diesel Engine ECU To PLC
Posted by MOHSEN291 on 13 September, 2016 - 8:37 am
I need to know how to connect ECU (ems2 - can bus - sae j1939 ) to PLC system : Siemens step7 series 200
4
replies
ABB ACS 1000 ac drive
Posted by mineshdesai68 on 13 September, 2016 - 6:52 am
ABB ACS 1000 ac drive tripping on over speed. Which parameter will help to increase over speed limit?
3
replies
Digital implementation of PI Control
Posted by hany5757 on 13 September, 2016 - 6:27 am
I tried to calculate manually the O/P of PI controller in our Experion DCS, but the results not coming as the actual I got from DCS...
8
replies
Surge Capacitor
Posted by Shree on 13 September, 2016 - 2:03 am
Surge Capacitor in High Voltage Motor
1
reply
Testing the response of the process to different PID control algorithms
Posted by hany5757 on 13 September, 2016 - 12:04 am
Test/simulate PID control parameters before downloading?
1
reply
Cobots
Posted by BillyMac on 12 September, 2016 - 11:56 pm
Anyone working with "cobots"?
1
reply
E/P Positioner
Posted by Nil on 12 September, 2016 - 8:42 am
There is one problem with positioner, after giving air supply same pressure shoe=wing at positioner output.
3
replies
Calibration Range in DP Transmitters
Posted by vbalaji892 on 12 September, 2016 - 12:07 am
Using a Differential Pressure transmitter outside its calibrated range.
3
replies
Cause of communication failure in modicon quantum PLC system
Posted by mausahwrtsila on 11 September, 2016 - 7:13 am
Frequent communication failure in Modicon Quantum PLC system
4
replies
Fire fighting pump motor running after a power surge
Posted by mausahwrtsila on 11 September, 2016 - 7:07 am
Fire fighting pump motor running after a power surge
Vijeo Citect Client
Posted by Taaal on 10 September, 2016 - 3:45 pm
Vijeo Citect 7.1 SCADA and Schneider Unity Pro PLC question...
7
replies
IGV angle and pulsation protection control
Posted by Isulamu on 10 September, 2016 - 1:06 pm
How do IGVs protect from compressor rotating stall?
7
replies
1000 kw generator hunting under load after 20-30 min
Posted by tonyrmz on 9 September, 2016 - 11:18 pm
1000 kw generator hunting under load after 20-30 min. with 3 other generators online.
4
replies
Hydraulic Oil Pump
Posted by Ahmed on 9 September, 2016 - 3:12 am
Inspection of Hydraulic pump
4
replies
PLC Lab Rack
Posted by bfeeny on 8 September, 2016 - 8:00 pm
I am looking for assistance in building a DIN lab rack
2
replies
How to find a Modbus coder
Posted by Bruce Punshon on 7 September, 2016 - 3:09 pm
locating someone to to write Modbus to Moscad applications...
2
replies
Re: How to Make a Solenoid Cycle
Posted by Confused54321 on 7 September, 2016 - 11:53 am
Can anyone help me figure out a way to make a solenoid valve cycle?
1
reply
Endress Pressure Transmitter
Posted by Monti on 5 September, 2016 - 7:08 am
Endress Hauser pressure transmitters asking for pin code
3
replies
208 Volt Supply Running a 240 Volt Inverter
Posted by jeremy on 5 September, 2016 - 6:01 am
Will a 208v supply be able to run a 240v single phase inverter powering an electric motor?
D/3 Novatech Migration
Posted by Tiger_Gori on 3 September, 2016 - 3:42 am
Using Profilink/908 PCT to convert Modicon Remote Quantum protocol
10
replies
Diaphragm Seal for Toxic Service
Posted by Elmira on 3 September, 2016 - 2:00 am
Looking for information about diaphragm seal used with toxic substances
2
replies
Generator Lockout Relay 86G Won't Reset.
Posted by Fourtotwentyma on 3 September, 2016 - 12:40 am
The 86G Reset knob on GCPP won't reset even when there is no standing alarm indicator.
4
replies
Reading Target Register Using ModBus on Promass F83
Posted by deliandiver on 2 September, 2016 - 7:41 am
Querying the ModBus Promass F83 Register using 04 Function code.
Connect to Versamax cpue05
Posted by fallmodou on 1 September, 2016 - 9:17 pm
Connecting windows7 sp1 with a Versamax cpue05 controller using a serial port.
7
replies
Using RSlogix PLC to Gate Trigger to a TRIAC or Thyristor
Posted by sahilgupta1527 on 1 September, 2016 - 2:02 pm
How to use analog output and trigger a TRIAC or thyristor