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from the Brain Dump department...
Control.com Post Archive
Engineering and workplace issues. topic
Posted by SUDHEESH V on 12 June, 2014 - 12:24 am
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
Communications systems and equipment. topic
Posted by elabbassy on 11 June, 2014 - 9:32 am
measurements in Siemens SICAM AK1703
measured values cyclic transmission IEC 104
Engineering and workplace issues. topic
Posted by Fluoronator on 11 June, 2014 - 7:42 am
The shield shocked me!!!
Why is my cable's shield 'Hot'?
Local and wide area networking in factory automation. topic
Posted by deep123 on 11 June, 2014 - 3:37 am
connecting one MODBUS slave device to two masters
i want to connect one energy meter to two separate masters.
Power generation equipment control. topic
Posted by Fyzal on 10 June, 2014 - 10:00 pm
Lightning strike and thermocouples measurement failure
Thermocouples measurement to <C> processor had fault after lightning strike.
Continuous process industries, DCS questions. topic
Posted by Francesco on 10 June, 2014 - 12:03 pm
limit output controller signal to avoid saturation
How to limit the output signal of an unstable control to avoid actuator saturation.
Engineering and workplace issues. topic
Posted by Gagandeep Singh on 10 June, 2014 - 5:51 am
Control Valve Positioner
Inlet air pressure of smart positioner is varying
Power generation equipment control. topic
Posted by ABDI on 10 June, 2014 - 12:16 am
Swirl Angle Software for GE
Can I use swirl angle software for GE FRAME 9E NON-DLN TYPE with GE FRAME 9E DLN?
PLCs and related questions. topic
Posted by AYH on 9 June, 2014 - 11:22 pm
compactlogix losing program after power recycle
my compactlogix battery is ok, but I lose the program when I recycle the power
Power generation equipment control. topic
Posted by apv on 9 June, 2014 - 12:54 pm
Lightning affecting Frame 6 Gas Turbine
Lightning affecting Frame 6 Gas Turbine MarkVI cards.
Communications systems and equipment. topic
Posted by vk on 9 June, 2014 - 9:39 am
Problem in command execution from dcs on modbus
Problem in command execution from dcs on modbus
Power generation equipment control. topic
Posted by Sam on 9 June, 2014 - 5:21 am
Power supply impedance
How do I find the impedance of a 220VAC power supply
Power generation equipment control. topic
Posted by Reeny on 9 June, 2014 - 2:48 am
Siemens Gas Turbines
please, any one can help me in how to open and close pilot control valve by using IBS software and energizing trip solenoids.
Local and wide area networking in factory automation. topic
Posted by Franco Kew on 9 June, 2014 - 12:52 am
HART multidrop reliability
If one HART device fails, will the subsequent HART devices unseen from the system?
Engineering and workplace issues. topic
Posted by Rakesh on 8 June, 2014 - 2:16 pm
DOL starter Motor to convert Drive control motor
Need to change with a 37 KW DOL starter (3 Wire) winding to suitable soft starter or drive control to reduce starting load.
Continuous process industries, DCS questions. topic
Posted by Paul on 8 June, 2014 - 12:53 pm
0-10v signals
Sending multiple 0-10v dc signals
Motion control, servos, steppers, etc. topic
Posted by Setu on 7 June, 2014 - 9:40 pm
VVVF drives - Internal speed calculation
How is speed of the motor calculated INTERNALLY by a VVVF drive?
Sensor technologies. topic
Posted by Mike on 7 June, 2014 - 9:35 pm
Kay-Ray Sensall Level Commander LC-I
Changing parameters on a Kay-Ray Sensall Level Commander
Power generation equipment control. topic
Posted by Reeny on 7 June, 2014 - 4:53 pm
Diesel power plant
any one can help me in determining best technical (instrumentation and control)specification for Diesel power plant (more than 20 MW).
PLCs and related questions. topic
Posted by Ben on 7 June, 2014 - 2:34 pm
Reading a battery voltage in to siemens logo
Reading a voltage from a battery in to an analog input on my Siemens logo
Engineering and workplace issues. topic
Posted by krishnan on 7 June, 2014 - 8:51 am
Motor sizing
three phase motor sizing for pumps/compressors
Power generation equipment control. topic
Posted by Hameed on 7 June, 2014 - 5:06 am
Generator protection - Rotor earth fault
Why does Rotor earth fault protection have two stages
Continuous process industries, DCS questions. topic
Posted by mechanation on 6 June, 2014 - 11:31 am
Lime slurry density meter
We are trying to measure density of our lime slurry which approx 22% solids
Engineering and workplace issues. topic
Posted by EG on 6 June, 2014 - 4:19 am
interview questions automation engineer
need interview questions and answers for automation engineer
Communications systems and equipment. topic
Posted by David on 5 June, 2014 - 10:41 pm
What kind of Modbus map lacks 4xxxxx registers
ASCII, RTU, TCP, now ABB?
PLCs and related questions. topic
Posted by GD on 5 June, 2014 - 6:27 pm
Modbus "pollsets"
Need advice on creating pollsets in Isagraf
Power generation equipment control. topic
Posted by Sachin Mewara on 5 June, 2014 - 3:33 am
Turbine HPCV hunting
Turbine HP CV is hunting in MW tracking mode.
Sensor technologies. topic
Posted by Tulus Lubis on 5 June, 2014 - 1:01 am
Installation of Pressure and Temperature Sensor for Orifice Flow Meter
Standard installation for Gas Flow Measuring with Pressure and Temperature compensation.
Computers in manufacturing; also hardware discussion. topic
Posted by Juan on 5 June, 2014 - 12:53 am
Conductor VMS dual monitors
having trouble to set up 2 monitors in a Digital (that's the brand) PC with Conductor VMS O.S. and SRM Bios.
Power generation equipment control. topic
Posted by Chas on 4 June, 2014 - 7:52 pm
GE Sprits Skid Water Hammer
GE Sprits skid Coax solenoid valves cause major water hammer from boiler feed to fog nozzles.
Communications systems and equipment. topic
Posted by Brian on 4 June, 2014 - 2:31 pm
Using OPC to communicate with GE MKVIe
I'm trying to find out if anyone is using OPC to talk to a GE MKVIe from an ABB INFI90 DCS System.
Continuous process industries, DCS questions. topic
Posted by jasoin carroll on 4 June, 2014 - 1:11 pm
Cable tray separation
Is there a standard that says the highest voltage cable should go in the top or the bottom tray?
PLCs and related questions. topic
Posted by Paul D. on 4 June, 2014 - 10:28 am
Old A-B SLC Controller
Password protected program and no offline file.
Power generation equipment control. topic
Posted by Daneezy on 4 June, 2014 - 4:08 am
jacking oil pump
From what source does the jacking oil pump 88QB gets its source of oil?
PLCs and related questions. topic
Posted by Casualguy on 4 June, 2014 - 12:08 am
Local Fault on SLC 500/05 ASB
Regarding local fault declaration on SLC 500 ASB
Information resources, documentation. topic
Posted by Robert Dampier on 3 June, 2014 - 12:02 pm
Sensus water meter
Trying to Query a Sensus water meter with a ECR
Power generation equipment control. topic
Posted by iii on 1 June, 2014 - 8:59 pm
Why use SRV?
There is a SRV where we generally found a very little difference between inlet & outlet of this valve.
Power generation equipment control. topic
Posted by Amrit on 1 June, 2014 - 6:56 pm
Transformer Secondary Voltage Ratings
Questions about transformer secondary voltage ratings
PLCs and related questions. topic
Posted by MIA on 1 June, 2014 - 9:41 am
MB+ Communication Error
MB+ (MODBUS) Communication Error with Remote PLC
Power generation equipment control. topic
Posted by Balasubramanian on 1 June, 2014 - 5:18 am
Turbine Vibration micronmteter to mm/s conversion table
How to convert the Turbine shaft vibration in micrometer to mm/s conversion?
Power generation equipment control. topic
Posted by Vimal Gupta on 31 May, 2014 - 9:15 am
4 or more bad Exhaust T/C fault
Gas turbine Frame-V got tripped on PCAA Module fault in MARK-Vie
Continuous process industries, DCS questions. topic
Posted by RAMESH on 31 May, 2014 - 5:43 am
Differential Pressure Transmitter Calibration
Changing the range of Differential Pressure Transmitter Calibration.
Communications systems and equipment. topic
Posted by luis carlos sandoval on 30 May, 2014 - 8:22 pm
rs 485 deep sea 7320
modbus rtu slave rs485
Power generation equipment control. topic
Posted by John on 30 May, 2014 - 2:49 pm
Spinning disabled in Siemens SGT400 gas turbine
Accidentally spinning command disabled during coasting down time from shutdown
Motion control, servos, steppers, etc. topic
Posted by Rick Holman on 30 May, 2014 - 8:43 am
Pneumatic tubing colors
pneumatic control circuit tubing color code standards
Engineering and workplace issues. topic
Posted by Sagat on 30 May, 2014 - 4:03 am
VFD SPEED OF 60HP DRIVE
I am using AMTECH make VFD of 60HP for blower application.
Power generation equipment control. topic
Posted by TF on 30 May, 2014 - 4:02 am
Mk5 Speedtronics
Gaining a better under standing of the process control that usually resides within a GE Mk5 Speedtronics
Communications systems and equipment. topic
Posted by tauqeer on 30 May, 2014 - 2:58 am
ingersoll rand xe controller remote comunication
Communicating and controlling an ingersoll rand xe145-f controller
Engineering and workplace issues. topic
Posted by Amin on 30 May, 2014 - 1:52 am
Backpressure Steam Turbine rotor axial displacement towards inactive side
Steam turbine rotor (back-pressure steam turbine) - rotor axial movement towards inactive side. Why?
Information resources, documentation. topic
Posted by me on 29 May, 2014 - 8:28 pm
Toshiba Automation Co PRS equipment
Looking for any information on Toshiba PRS system
Engineering and workplace issues. topic
Posted by kuldeep on 29 May, 2014 - 4:51 pm
Yokogawa CS1000 Report problem
report tag communication error
Software, including programming, OS issues, etc. topic
Posted by GBrown on 29 May, 2014 - 4:50 pm
Instrument Tech Training Topics
My boss has asked me to create a training program from the instrument techs that is one 3 hour course a month for 2 years.
Communications systems and equipment. topic
Posted by Paul Tinetti on 29 May, 2014 - 4:48 pm
EDDL files stored in/on device?
Why haven't manufacturers figured out a way to store EDDL files in on-board memory of devices?
Continuous process industries, DCS questions. topic
Posted by Ashiq on 29 May, 2014 - 5:38 am
Solatron flow computer Corrected volumetric flow
re-configure Solatron 7951 flow computer.
Continuous process industries, DCS questions. topic
Posted by Josh on 29 May, 2014 - 4:53 am
Three way valve - on/off
Three way valve - on/off control design
Continuous process industries, DCS questions. topic
Posted by Alphite on 28 May, 2014 - 4:25 pm
Controlling flow and pressure to a spray ball
How to control flowrate and pressure with a positive displacement pump.
Engineering and workplace issues. topic
Posted by Tom on 28 May, 2014 - 5:03 am
Is Barrier Requirements
IS Barrier Requirements for PLC
Engineering and workplace issues. topic
Posted by hatimnazir on 27 May, 2014 - 3:12 pm
Honeywell DCS Server and Stations timing Synchronization Issue
Honeywell DCS Server and Stations timing Synchronization Issue
Sensor technologies. topic
Posted by me on 27 May, 2014 - 11:14 am
Leary M06 Microwave Sensor
Looking for information on the M06 Microwave Sensor from Leary
Human-Machine Interface and SCADA. topic
Posted by Norm on 27 May, 2014 - 9:25 am
Mark VIe 88BD motor HMI control Lead/Lag
Cannot control 88BD diffuser blower motors from control room HMIs
Engineering and workplace issues. topic
Posted by Moaz Tajammal on 27 May, 2014 - 9:15 am
CMS (GE) Anti-Surge Controller
Anti-Surge Controller acting weirdly.
Power generation equipment control. topic
Posted by Javier on 26 May, 2014 - 11:42 am
Temperature Setpoint during initial loading
Steam Setpoint during initial loading on a combine cycle 9FA
Engineering and workplace issues. topic
Posted by Sagar on 26 May, 2014 - 5:45 am
VFD Speed
Over speeding a motor by reference signal even if the frequency limit has been set in the VFD module
Power generation equipment control. topic
Posted by Sceptical Fred on 25 May, 2014 - 9:33 pm
Mk6 Speedtronic Capability
Ge Mk6 Speedtronic maths ability.
Computers in manufacturing; also hardware discussion. topic
Posted by Derrick on 25 May, 2014 - 9:17 pm
Foundation Fieldbus - Linearization Type
Foundation Fieldbus Linearization Type
Engineering and workplace issues. topic
Posted by islam84 on 25 May, 2014 - 5:43 am
Anti surge valve and enabling solenoids
Why is the anti surge valve associated with two enabling solenoids?
PLCs and related questions. topic
Posted by Genjua on 25 May, 2014 - 4:44 am
Connection for Twido RS485 with XBT OT DB9
Connection/pinouts of the cable that connects a Twido RS485T which contain 3 Terminal with XBT OT COM2 DB9 which contain 9 Termnials?
Power generation equipment control. topic
Posted by chudy on 24 May, 2014 - 12:21 pm
gas turbine start up
is it possible to start a gas turbine plant on black start with only 2 processors?
Power generation equipment control. topic
Posted by ABDI on 23 May, 2014 - 11:34 pm
Unable to go into Premix Mode
Unable to go into Premix Mode. Should we use Primary or secondary mode?
Programming languages. topic
Posted by tester89 on 23 May, 2014 - 10:38 am
MODBUS Protocol Confusion
Would like some clarifications on Modbus variations.
Communications systems and equipment. topic
Posted by Mario Soto on 22 May, 2014 - 8:22 pm
JAGXTREME and Yokogawa power meter
I want to get a torque value output from a Jagxtreme terminal so I can use it as torque input (BNC connection) for a Yokogawa power meter (motor version)
Engineering and workplace issues. topic
Posted by James on 22 May, 2014 - 4:49 pm
Mason's rule help
need help solving a flow chart from mason's rule
Power generation equipment control. topic
Posted by Asif Ferdoush on 22 May, 2014 - 1:31 pm
Power System Control & Stability
What happens when power system is subjected to any kind of disturbance?
Motion control, servos, steppers, etc. topic
Posted by amin hadavi on 22 May, 2014 - 10:33 am
Yaskawa servo motor
Yaskawa servo motor working noisy & vibrating
Power generation equipment control. topic
Posted by adel on 22 May, 2014 - 7:21 am
Turbine Generator and Step-up Tansformer Size
what is the impact of power factor on the size of GT and Step-up transformer
Power generation equipment control. topic
Posted by JK Seo on 22 May, 2014 - 1:34 am
Gas Turbine Water Wash
Gas Turbine Water Washing Procedure
Engineering and workplace issues. topic
Posted by Fluoronator on 21 May, 2014 - 7:03 pm
Why are electrical systems grounded?
My google search has only yielded superficial answers. What is the real reason?
Power generation equipment control. topic
Posted by raul on 21 May, 2014 - 6:33 pm
Vacum in Steam power plant
Variation of steam temperature in vacuum ejector.
Engineering and workplace issues. topic
Posted by Jhon on 21 May, 2014 - 10:05 am
Buffer Air Quality
Buffer air for sealing in dyno or centrifugal compressors.
Information resources, documentation. topic
Posted by islam84 on 21 May, 2014 - 9:09 am
Antisurge valve failure reporting case study
Antisurge valve failure reporting case study
Power generation equipment control. topic
Posted by Broner on 21 May, 2014 - 3:08 am
Failed 15 kV Vacuum Circuit Breaker
Failure of a 15 kV POWL-VAC circuit breaker protecting the GSU transformer
Continuous process industries, DCS questions. topic
Posted by Talluri on 21 May, 2014 - 2:59 am
Endress+Hauser Level Transmitter Hunting
What is the possible cause for Level transmitter hunting?
Power generation equipment control. topic
Posted by Manfred Hinsch on 20 May, 2014 - 6:01 pm
woodward EGB governor with 723plus
Require guidance / config for initial setup:
Woodward EGB governor / Woodward 723PLUS
Power generation equipment control. topic
Posted by Johnplayers on 20 May, 2014 - 9:42 am
GE Gas Turbine Corrected Speed
Importance of GE Gas Turbine Corrected Speed
Power generation equipment control. topic
Posted by Cyril on 20 May, 2014 - 2:47 am
Power Plant blackout
Reason for Total power plant blackout
Power generation equipment control. topic
Posted by control me on 19 May, 2014 - 11:57 am
Gas turbine trip
Gas turbine tripping. Basic steps for troubleshooting.
Continuous process industries, DCS questions. topic
Posted by mahdi on 17 May, 2014 - 11:42 pm
Deltav Network
Link two different version of DeltaV
PLCs and related questions. topic
Posted by Reeny on 17 May, 2014 - 5:00 pm
Siemens s7 backup
what is the process to take an online backup of steam controller (S7-400 cpu417H).
Computers in manufacturing; also hardware discussion. topic
Posted by Reeny on 17 May, 2014 - 4:41 pm
control adinistration
is there a way to normalize the new ES with the AS?
in Siemens TXP control system
Engineering and workplace issues. topic
Posted by mhmd on 16 May, 2014 - 5:44 pm
TXP control system administration
is there a way to take an image of ES, PU, SU, OT, without using SCSI tape reader
Communications systems and equipment. topic
Posted by J.Atkinson on 16 May, 2014 - 9:09 am
Web XML into DCS/PLC
Require a solution for communicating XML data from the web into a DCS / PLC system.
Power generation equipment control. topic
Posted by Shaker Hashlan on 16 May, 2014 - 5:34 am
Governor Response
what is the Governor Response and how to calculate and size it?
Power generation equipment control. topic
Posted by scientif on 16 May, 2014 - 4:38 am
Diesel Sets vs Gas Reciprocating Engines
Number of sets (diesel or gas engines) to start a load.
PLCs and related questions. topic
Posted by TheController on 15 May, 2014 - 5:21 pm
One control variable for two loops
Can we have one control variable control two different loops?
Software, including programming, OS issues, etc. topic
Posted by Neo on 15 May, 2014 - 4:57 am
Enron Modbus slave Developement
Basic question regarding Enron modbus stack/cache
Sensor technologies. topic
Posted by Prasana on 14 May, 2014 - 4:29 pm
Vortex Flow Meter
Troubleshooting Vortex Flow Transmitter
Motion control, servos, steppers, etc. topic
Posted by Controller on 14 May, 2014 - 1:40 pm
Why Integration in PID causes overshoot?
Understanding of how PID controller affect a system.
Power generation equipment control. topic
Posted by Kuummaarr on 14 May, 2014 - 10:54 am
Trouble in generators
Generator unable to maintain load in auto mode. When running on load individually then it is working fine. The governor motor contactors high and low keep operating for a long time.
PLCs and related questions. topic
Posted by JoseyWales on 13 May, 2014 - 4:54 pm
Network Issues
My network settings are correct but I am not able to connect to the IP address 10.1.1.250
Power generation equipment control. topic
Posted by Jeet on 13 May, 2014 - 9:34 am
Power System
What happens if an alternator is running on 0.9 pf (lag)?
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