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Forum Archive
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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
replies
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
replies
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.
2
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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
replies
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
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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
Seeking Electrical Drawings
Posted by Longie on 20 September, 2017 - 8:21 am
Seeking Electrical Drawings/Schematics for Endurance 3120 Wind Turbine
3
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PLC and Transformer in an Enclosure
Posted by matheusBatista on 19 September, 2017 - 8:37 pm
Is it good practice put a transformer in a enclosure?
2
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Generator Seismic Probes MS5001
Posted by Hira on 19 September, 2017 - 9:46 am
The gas turbine MS5001 tripped on high seismic vibrations. Both seismic vibration probes values (North and South) spiked simultaneously and caused tripping.
HAZOP-process
Posted by Inaki Eseberri on 19 September, 2017 - 6:09 am
HAZOP analysis guide
3
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Exhaust Thermocouples Spread MS5001
Posted by Hira on 19 September, 2017 - 4:47 am
The gas turbine installed on site ( Mark-VI) has 13 exhaust thermocouples. The unhealthy thermocouple's value (-17) is not being disregarded and spread value being shown is 426.3'C while the allowable value is 51.4'C
8
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Level Measurement for Slurry with Mixed Acid Plus Fumes
Posted by nehaldesai2491 on 19 September, 2017 - 2:21 am
Looking for a way to measure the fevel for Slurry with mixed acid + fumes
Stall, Surge, and Choke
Posted by nldgseeker on 19 September, 2017 - 1:28 am
difference between stall and choke in compressors
Contact Moisture Gauge for Metso Scanner
Posted by vince on 18 September, 2017 - 11:36 am
Looking for a supplier of contact moistur gauge for a Mesto scanner
4
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Temperature Control Valve Not Responding
Posted by rj_24 on 17 September, 2017 - 11:20 pm
Control valve is not responding to Temperature Controller command
4
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Reading Register Data from a Modbus PLC Simulator
Posted by Chuy on 17 September, 2017 - 10:22 pm
Establishing a connection to a Modbus PLC simulator via Modbus TCP using C code by reading register data.
Voltage Drop in Perkins Generator
Posted by Dennis on 17 September, 2017 - 2:04 pm
Having a issue with voltage loss on Perkins genset.
2
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Level Glass for Refrigerant Low Temp Measurement
Posted by hany5757 on 17 September, 2017 - 7:53 am
Looking for a solution for reading refrigerant Propane C3 liquid level in a scrubber inlet to a refrigerant compressor.
History Module in TDC 3000
Posted by ammar_yasir on 17 September, 2017 - 12:15 am
Checking History module used and free space in TDC 3000
9
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Mark-V <LCC> CARD Replacement
Posted by shyam on 15 September, 2017 - 1:36 pm
Mark-V <C> <LCC> card EEPROM replacement.
3
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How Electrostatics Field Effects the Vibrations
Posted by sanjib kumar on 15 September, 2017 - 10:37 am
How vibration is effected by electrostatic fields, it causes mark on journal bearing as a result vibration shoot up.
3
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Interface via Modbus TCP (C Environment)
Posted by Jesus on 14 September, 2017 - 4:51 pm
Systems interface via modbus TCP
2
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SLC 500 COP Instruction to N Register
Posted by SMF on 14 September, 2017 - 2:17 pm
I have a COP instruction with a 8 word length but no input type instructions.
15K Generac Guardian Ultra Source
Posted by Joe on 14 September, 2017 - 11:09 am
Generator starts fine, however when you push in the choke it starts to over rev the engine and there is no power output.
5
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Need Suggestion for this Application
Posted by martindag on 13 September, 2017 - 8:56 am
Batching system with different liquids and tanks with the same Flowmeter, need idea.
1
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MODBUS RTU to RS485 Configuration
Posted by Shandene Solomons on 13 September, 2017 - 6:24 am
I'm trying to set up comms from a PLC to a VFD using MODBUS. PLC has RS232 and VFD has RS485 running through a RS232 to RS485 serial converter.
1
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PC to PIC16 (MODBUS)
Posted by kishor009 on 13 September, 2017 - 2:08 am
Communication between PC and PIC16 using MODBUS protocol
OASyS 6.2 Hot and Standby Racing
Posted by ahmedosama on 11 September, 2017 - 8:18 am
SCADA OASyS 6.2, dual system. The two servers don't want to work as hot and standby.
Hybrid Inventory Management System
Posted by ieee_1983 on 10 September, 2017 - 9:05 am
A basic question about the hybrid inventory management system
2
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Base Load Temperature
Posted by gbala on 10 September, 2017 - 1:07 am
What is base load temperature?
1
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Modbus Network Issues - Units Randomly Stop Communicating
Posted by diesel23 on 8 September, 2017 - 3:52 pm
Modbus network randomly fails. Voltages go between 1-3 volts to 0 and 4 volts, nothing can communicate. Need help!
Honeywell TDC 3000
Posted by ammar_yasir on 8 September, 2017 - 10:42 am
Schematic edit and formulas in TDC 3000 Honeywell
4
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Woodward GW4
Posted by Aleksandr_1977 on 8 September, 2017 - 8:58 am
Recieve data via Modbus using GW4
ACS880 RPBA-01 Emulation
Posted by zapotek67 on 8 September, 2017 - 1:50 am
I try to communicate ABB ACS880 drive with DCS using RPBA-01 emulation without changing the configuration on DCS.
Connecting FA-M3 PLC to Matrikon OPC for Modbus
Posted by Rikutuzomoko on 7 September, 2017 - 10:50 pm
Connect the Yokogawa FA-M3 PLCs to Matrikon OPC Server for Modbus
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Voltage Problem 3 Phase Generator
Posted by Tom kinczel on 7 September, 2017 - 7:07 pm
Need to adjust voltage each time I turn selector switch to different setting.
Critical Path and Governor Shutdown
Posted by seba4andino on 5 September, 2017 - 12:50 pm
Definition of Critical Path SD and Governor SD
2
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Controlling Systems in Farm Equipment
Posted by MrJFK530 on 5 September, 2017 - 12:18 am
Attempting to simplify and bring the controls of a large tractor into the 21st century
8
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System Inputs for Gas Turbines
Posted by lix29 on 3 September, 2017 - 5:47 pm
Please, could anyone give me some idea about how to chose appropriate input variables for a gas turbine?
VSC Droop
Posted by HVDCman on 2 September, 2017 - 1:48 am
V/P droop calculations
9
replies
Trip Oil Gradually Drop
Posted by VKGUPTA on 1 September, 2017 - 2:09 am
Frame-V machine MOP discharge and Trip Oil pressure gradually dropping down.
3
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Converting COD of Kg/day into mg/litre
Posted by Harry23 on 1 September, 2017 - 1:32 am
Need some help converting COD in kg/day into mg/litre
Hardware and Software Tool-chain for Euromap
Posted by Prashant on 31 August, 2017 - 5:03 am
Is there any hardware or software tool chain available to develop Euromap 15 protocol?
Bizerba GLM-I Calibration
Posted by Krzysztof on 30 August, 2017 - 6:14 am
Looking for information on how to perform the calibration procedure for checkweigher of automatic labeler GLM-I Bizerba.
HMI/SCADA Program WebN Server 2.0 (Freeware)
Posted by netran on 30 August, 2017 - 1:23 am
Free HMI/SCADA program WebN Server 2.0
1
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26 pin 0.5 Pitch Round-to-Flat Cable
Posted by Alex Crofford on 29 August, 2017 - 8:24 pm
Looking for a source of 26p 0.5mm pitch round to flat male to female cables.
3
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HONEYWELL ENRAF 873 SMARTRADAR
Posted by Pak Engineer on 29 August, 2017 - 1:33 pm
Old Honeywell Enraf 873 SmartRadar on crude tank no longer working after tank renovation.
1
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1MW Diesel Engine
Posted by sami ibrahim on 29 August, 2017 - 1:31 am
Problem starting a 1MW diesel engine
3
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2-W P transmitter/ PLC
Posted by Ali_M on 28 August, 2017 - 12:06 pm
Need help diagnosing issue with differential pressure transmitter. Could it be the analog input card?
Radar Level Transmitter Problem
Posted by gopal100 on 28 August, 2017 - 5:59 am
Radar level transmitter showing short between + and ground
Lost Connection
Posted by khe on 26 August, 2017 - 2:26 am
MARK 6 eS TG 9E
3
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WorkstationST OPC DA Server
Posted by Isulamu on 25 August, 2017 - 5:21 pm
How does the OPC DA server work exactly with the workstationST
1
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Transducer 4-20 ma
Posted by abdulrabkhan on 25 August, 2017 - 1:08 pm
3 way valve with a 4-20 ma positioner in it. Is it possible to take current input at two same cards of different PLC racks?
3
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SLC 500 MOV Instruction
Posted by SMF on 25 August, 2017 - 12:07 pm
MOV instruction with an N13 register with a source value of 32000. Why was this 32000 number used?
4
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SMS from PLC for Hearing Impaired Worker
Posted by DPI on 24 August, 2017 - 3:29 pm
I am looking for a way to send SMS text messages based on PLC I/O states.
1
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GE Fanuc CPU Failure
Posted by Bentronic on 24 August, 2017 - 6:22 am
CPU Failure on GE Fanuc Series 90-70 PLC
9
replies
Off base LO Skid Drain SOV 20QA-2
Posted by SP on 24 August, 2017 - 2:55 am
what is the purpose of warren pump Off base LO skid Drain SOV 20QA-2 in frame V machine.
Valve Positioner
Posted by LastCall on 23 August, 2017 - 10:54 am
Modbus TCP/IP Valve Positioner
2
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Modbus TCP Settings
Posted by MarcBen on 23 August, 2017 - 5:38 am
What are the parameters to put in ASE2000?
1
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Obsolete Registers - Who Decides
Posted by JMacLaren on 23 August, 2017 - 4:10 am
I created a MODBUS address list with both 3xxxx and 4xxxx register addresses but I was asked to change the 3xxxx address to 4xxxx addresses. Why?
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HART Transmitter Configuration in Fault Status
Posted by CNI on 23 August, 2017 - 1:19 am
Can you configure the output of a HART transmitter toward a trip condition (20 or 4 ma as needed) in case of fault detection in transmitter?
How to Achieve Realtime Seamless Server Redundancy Between Two Wonderware Intouch SCADA System
Posted by Chandraprakash MC on 22 August, 2017 - 1:17 pm
I have an identical Wonderware Intouch SCADA servers of same network. How to achieve a real time & seamless server redundancy (Hot standby) between these two servers? To make things clear it is not a system platform (IDE). It is an Intouch server system.
2
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Pulse and 4-20ma
Posted by edward on 22 August, 2017 - 12:01 pm
I am having trouble with a flow meter and pulse/4-20ma output.
1
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Level Switch Selection for Solid to Avoid Chute Jamming
Posted by Sandeep_ecengineer on 22 August, 2017 - 7:41 am
The Cone-crusher discharge hopper chute is getting jammed due to the wet material. Please Suggest a level switch.
Reforming Capacitors
Posted by lucky_dog on 21 August, 2017 - 7:56 pm
Need a UL listed device to reform capacitors.
2
replies
TCP/IP Packets on A-B CompactLogix
Posted by gwmarsh on 21 August, 2017 - 7:25 pm
Is it possible to parse TCP/IP packets (not Ethernet-I/P) in 5380 CompactLogix processors?
Kinetix Servo Drives
Posted by Slyone on 21 August, 2017 - 2:33 pm
Problem with kinetix servo drives.
3
replies
Question about New Hires
Posted by pandamathium on 21 August, 2017 - 2:38 am
I would like to be a control engineer in the wood products industry. What is the training learning curve like for new hires in this industry?
2
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MODBUS Slave Master Assignments
Posted by jan du preez on 20 August, 2017 - 2:59 am
I would like a few general guidelines as to my challenge to allow 2 slave to communicate and using my SCADA as master. Basically I cant get past the fact that a device can either be a slave or a master, not both.
7
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DlN1 Extended Lean Lean
Posted by khe on 20 August, 2017 - 2:40 am
GE 9e gas turbine dln1. Is this a danger to the machine?
GT Rotor Damage
Posted by piyushguptaiocl on 20 August, 2017 - 1:26 am
Frame-VI gas turbine rotor turbine 3rd stage diaphragm seals, stage 2-3 wheel spacer, stage 2 wheel found heavy damage beyond repairable.
Working Schematics Revision Control
Posted by Smaher4 on 19 August, 2017 - 7:35 am
We are currently trying to implement a drawing revision control system in our company and I am looking for comments or thoughts from others in a similar situation.