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4
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MODBUS Wrong Register Value
Posted by Logan on 17 September, 2018 - 3:15 pm
The register just contain the half of the original value.
1
reply
Modbus Connection to Bender Isometer
Posted by Jonathan on 17 September, 2018 - 11:46 am
I am wondering if there is a way to connect a device to a PC via a virtual Modbus.
Creating .cid File
Posted by ST3000 on 17 September, 2018 - 11:18 am
Siemens PowerLogic G3200 .cid file creation
2
replies
GT Frame 9E Lube Oil Header Pressure Reduced
Posted by AAkhan on 16 September, 2018 - 12:00 pm
Gas Turbine GE Frame 9E Main Lube oil pressure low
Lead (LD) Function Block Algorithm Simulate in Excel
Posted by latsanyEE on 14 September, 2018 - 11:58 pm
Lead (LD) Function Block Algorithm Simulate in Excel by Using Real Data as Input
Reading Registers with Jamod or JSSC
Posted by henry2312 on 14 September, 2018 - 9:33 am
Reading from a register Modbus RTU with JSSC or Jamod
2
replies
Not Attaining Lift on Bearing 4 on GE frame 9E
Posted by Baffoe on 13 September, 2018 - 8:07 am
We are unable to attain any oil lift at both bearing 4 and 5 OF GE FRAME 9E despite 2400 Psi and 2000 Psi lift pressures respectively
BBC GT13D Speed Adjusting Device
Posted by cyclomaster on 13 September, 2018 - 5:28 am
Replacing an obsolete speed adjusting device for BBC GT13D model.
2
replies
Receiving Too Long Messages
Posted by ralu on 13 September, 2018 - 1:36 am
What happens when message has too many byes?
Throubleshooting a 1 phase SCR Thyristor with Closed Loop Feedback
Posted by Brent Williams on 12 September, 2018 - 2:11 pm
Replacement Thyristor with closed loop feed back V2, for IRC lamps regulated from PLC 0-10vdc. Trouble shooting help please.
1
reply
MKV Simplex <C> Core Point Toggle
Posted by TheGingerbeer on 12 September, 2018 - 7:38 am
MKV Simplex <C> Core single point frequently toggles without being forced or sequenced
Intrinsic Safety Barrier Selection
Posted by AE001 on 12 September, 2018 - 5:45 am
Calculation methodolgy for IS barrier entity parameters.
Simulation of Air Conditioning System
Posted by marshall94pl on 12 September, 2018 - 5:09 am
Simulation of air-conditioning system
3
replies
Build of MKVI HMB file
Posted by sheehan_ge on 12 September, 2018 - 4:28 am
Problems building of hmb file for Frame 9B
1
reply
Android Program to Connect to AB, Siemens, Schneider PLC
Posted by RS Kumar on 12 September, 2018 - 3:32 am
Looking for sample code or java app for communicating PLC tags for development of small mobile app to control a process from a android mobile using wifi/data connectivity.
3
replies
Modbus Configuration: Registers Table
Posted by KLamar on 11 September, 2018 - 12:03 pm
Modbus Registers Table Configuration: Help!
Sample Compactlogix program for Modbus comms
Posted by Buddy Pace on 11 September, 2018 - 6:14 am
Modbus Communication with Compact Logix PLC with in-built RS-232 Port
2
replies
Increase of temp spread after CI of GT
Posted by dksarma on 11 September, 2018 - 1:45 am
Increase of temp spread after CI of GT
2
replies
11KV generator manual excitation issues
Posted by dksarma on 11 September, 2018 - 1:36 am
The DAVR (digital AVR) of alternator of one Gas Turbine (20MW, Fr5, GE make) malfunctioing , when in Manual mode it raises exicitation to full automatically instead of step by step.
1
reply
Modbus command per second
Posted by ding on 10 September, 2018 - 9:03 pm
Modbus command per second
1
reply
Controlling and Testing a Valve
Posted by sanji66 on 10 September, 2018 - 5:50 am
Control the valve and test pressure rate of the flow
2
replies
Temperature Probe Spikes in DCS
Posted by NVRTL on 8 September, 2018 - 8:02 am
Compressor temp probe spikes noticed only in DCS not in system
5
replies
Is the Module Index Equivalent to Modbus Slave Id?
Posted by gomathisankars on 8 September, 2018 - 7:26 am
In Modbus TCP is the module index = Modbus slave id?
1
reply
GCV
Posted by wahid021027 on 8 September, 2018 - 4:48 am
What is mean by GCV choked?
Synchronizing Generators
Posted by Gaza on 6 September, 2018 - 2:00 pm
Challenges in synchronising two Caterpillar generators
Unidrive M700 with EtherCAT
Posted by redneckengineer707 on 6 September, 2018 - 10:20 am
I'm having an issue getting a Unidrive M700 to work over EtherCAT
6
replies
Frame 5 gas turbine not detecting fire
Posted by Shyam on 5 September, 2018 - 2:28 pm
Turbine not firing
1
reply
Turbine Speed Remote Indicator (TNH_RPM) on MK-V
Posted by ChristensonWJ on 5 September, 2018 - 1:41 pm
We are attempting to duplicate a signal coming from the MK-V Comm Link to use as a drive signal for the RPM meter. Can anyone point me in the right direction on how to duplicate this signal?
11
replies
Mark VIe integration with DCS HMI
Posted by RRA on 5 September, 2018 - 10:04 am
Possible solutions to integrate the turbo generator control and protection system (Mark VIe) with existing Delta V DCS and HMI.
3
replies
Modbus RTU illegal data address
Posted by RK on 5 September, 2018 - 8:06 am
Behavior of Modbus Slave during Multiple register read if un-mapped address exists in between.
MK6 library difference preventing Download
Posted by topcat123 on 5 September, 2018 - 4:59 am
MK6 will not download (difference downloaded block library and configuration)
4
replies
What is CUSTOMER TRIP?
Posted by qnzk9300 on 4 September, 2018 - 3:05 am
What does Customer Trip on MARK VIE mean?
1
reply
How to Replace VSVO H1B card in GE Mark VI
Posted by alagan85 on 4 September, 2018 - 2:03 am
How to Replace VSVO H1B card in Mark VI panel? Is there any procedure for replacing this card? does any download required in tools box?
4
replies
GE Mark V - Weird Time Issue
Posted by TrailRanger on 3 September, 2018 - 8:06 pm
We have two GE Mark Vs with one as time master, the other slave using NTP. Time syncing looks correct, but the Slave unit is having its time offset by exactly one year.
3
replies
Delta PLC Query
Posted by Automation_Engineer on 3 September, 2018 - 7:07 am
Facing a problem with Delta PLC.
2
replies
Iconics Modbus Ethernet OPC Server
Posted by Andrew Than Aung on 3 September, 2018 - 6:01 am
Data unstable with Iconics Modbus Ethernet OPC server.
Generator Shaft Not Jacking Up
Posted by Theophilus Tetteh on 2 September, 2018 - 7:14 pm
GE Frame 900le turbine with Elin Generator train - during pre-commissioning process we realized the jacking oil pump delivering normal pressures in ranges of 2400-2700psi, but never observe any lift of the generator shaft.
1
reply
Changing MARK V Processor
Posted by VMAHESH1029 on 2 September, 2018 - 12:47 pm
Changing MARK V processor from R to C
8
replies
IGV on Temperature Control
Posted by sardar108 on 1 September, 2018 - 2:24 pm
Running Frame 7EA IGV on temperature control
4
replies
Diffusion Mode Not Cut Out in Gas Turbine 9FA
Posted by Msalem_73 on 31 August, 2018 - 2:45 am
Diffusion mode does not cut out in Gas Turbine 9FA due to TTRF1 reduce during change mode from diffusion to premix mode
4
replies
Implementing linearization in the hardware or software component of a measurement system
Posted by Rushi Shroff on 30 August, 2018 - 9:42 am
How can 'Linearization' be implemented in either the hardware or software component of a measurement system?
2
replies
Schneider Electric M221 Pump Program
Posted by jem233 on 30 August, 2018 - 7:07 am
Problems programming analog PID
2
replies
Gas Turbine PT Speed Fluctuating
Posted by Mohammad on 30 August, 2018 - 6:46 am
Gas turbine PT speed fluctuating and synchronization problem
1
reply
What's the level probe performance differences between Wika and Holykell?
Posted by iphonex on 30 August, 2018 - 3:34 am
Anyone know the performance differences between Wika level probe and Holykell level sensor as they have same designs?
1
reply
Viewing Older Trends of MarkVIe
Posted by thomasmylady on 29 August, 2018 - 9:11 am
Can I view, by any means, the trends saved in MarkVIe version 6.02 in the a trender version V05.02?
2
replies
Changing Fluid Type in DP Wet Legs
Posted by ryryormo on 29 August, 2018 - 6:41 am
What could be the results if I change the sg of fluid in both high and low impulse lines of a DP level without re-ranging?
Servo Suicide Reset
Posted by grajesh on 28 August, 2018 - 4:06 pm
Servo suicide reset -MKVIe
Redundancy Alarm for Delta V
Posted by aidem on 27 August, 2018 - 10:36 pm
Redundancy Network Alarm for Emerson Delta V
4
replies
GE 6FA Machine Trips Frequently Due to Sensor Failure
Posted by shahiideee on 26 August, 2018 - 5:15 am
GE 6FA MarkVIe control System machine tripped frequently due to "L30CPBH1_0" sensor failure.
GEM80 ESP Serial Protocol Definition
Posted by MarkNZ on 26 August, 2018 - 3:58 am
Please help, require GEM80 ESP definition
1
reply
Control of a Undamped Second Order System
Posted by msaad07 on 25 August, 2018 - 4:25 pm
Control of a undamped second order system
Arcom RTU Configurator
Posted by Roberto Ochoa on 24 August, 2018 - 7:32 pm
Need Arcom M1 Software to configurate. It's very old but it was donated to my school
1
reply
Mounting Two SITOP Power Supply Units Side-by-side
Posted by bryan1978 on 22 August, 2018 - 11:08 pm
I am installing two SITOP 6EP1334-2BA20 power supply units side by side in my panel
1
reply
Differential Protection Scheme
Posted by bspace321 on 21 August, 2018 - 2:57 am
Specifying CT accuracy classes for differential protection schemes
1
reply
Communication Between TRANE BCU Controller and GE cimplicity
Posted by manoj on 21 August, 2018 - 1:37 am
I want to communicate to TRANE BCU controllers with GE cimplicity
1
reply
STD924 Honeywell DP Transmitter Calibration
Posted by bouzid on 20 August, 2018 - 9:05 am
Need help calibrating a Honeywell STD924 differential pressure transmitter.
3
replies
Perimeter Calculation of a Petroleum Tank
Posted by Uziar Akram on 20 August, 2018 - 8:56 am
Need the design equation or formula to calculate the perimeter, area or volume for a petroleum tank that is neither circular nor rectangular.
4
replies
Sizing RC Network for Contactor
Posted by SMF on 19 August, 2018 - 2:36 pm
Sizing a RC snubber circuit for a size 1 contactor.
7
replies
ph and Conductivity for Scrubber
Posted by bryan1978 on 19 August, 2018 - 1:03 pm
Why is there a need to have ph and conductivity reading for scrubber?
2
replies
Mark VI Comm Failure 1298
Posted by rahulgupta on 19 August, 2018 - 6:42 am
GE gas turbine Mark VI communications failure 1298
5
replies
Flame out on Low Engine Temp T5, Solar Taurus 60
Posted by S Mitra on 18 August, 2018 - 6:14 am
Solar Gas Turbine Taurus 60 machine tripping on 'Flame out on Low Engine Temp T5'
6
replies
Megohm Meter to Test Weld
Posted by Mark on 16 August, 2018 - 7:58 pm
If the weld is closed will I get OL signal?
2
replies
1756-L72 Control Tags
Posted by mahmoodi1 on 16 August, 2018 - 1:58 pm
Transfer tags from Excel spread sheet into 1756-L7x Controller Tags
DGP MEMORY LOSS
Posted by bensalomich on 15 August, 2018 - 6:20 pm
Generator Digital Protection (DGP) relay lockout lost its memory.
2
replies
ACS850 Motor Control Problem
Posted by jun05amar on 15 August, 2018 - 4:33 am
ACS850 Drive Motor Control Problem
2
replies
VCMI IO Error
Posted by HHernani on 14 August, 2018 - 1:47 pm
Intermittent flashing red to green and vice versa and one comm card is making noise...
1
reply
Siemens HMI Modbus RTU master communication crash
Posted by PS on 14 August, 2018 - 11:20 am
Siemens HMI TP1200 is Modbus RTU master. Modbus device cam controller is slave...
4
replies
DP type flow transmitter on vacuum column
Posted by ranasushil on 14 August, 2018 - 3:10 am
We have DP Type flow transmitter on pump discharge and this goes to a column under vacuum. Production says flow is not correct.
3
replies
Sepam output 4-20 mA with PLC
Posted by Jemai on 11 August, 2018 - 4:42 pm
Reading Sepam S42 4-20 mA with PLC
Foxboro I/A 6.3 alarms
Posted by lyaponov on 11 August, 2018 - 5:27 am
foxboro I/A 6.3 message alarm configuration
7
replies
Book about Modbus?
Posted by NetworkMan on 10 August, 2018 - 10:31 am
Have written a draft for a book about Modbus, is there any interest in this?
6
replies
Phase to earth voltages are heavily unbalanced
Posted by sangeetha_ma on 10 August, 2018 - 1:58 am
When we run the DG with neutral ungrounded, the phase to earth voltages are heavily unbalanced. And it is changing during the course of running.
1
reply
Checking all the electrical wiring and equipment after flooding
Posted by sangeetha_ma on 10 August, 2018 - 1:54 am
Plug points were submerged. Water pump and motor etc were submerged.
6
replies
modbus RTU 485 2 wire
Posted by SUPMAN on 9 August, 2018 - 7:44 pm
no receive data from slave
1
reply
Custom Modbus Message
Posted by pcpro178 on 9 August, 2018 - 11:16 am
Custom Modbus Message
Fire Detection System Control Modules Suppliers
Posted by Mohamedibr752 on 9 August, 2018 - 9:23 am
We need a supplier for Hi-Safe Rack3 Fire detection system control cards/modules.
4
replies
Mark V Custom Counter
Posted by Mohamedibr752 on 9 August, 2018 - 9:21 am
Is it possible to create a counter for Starting System running hours counter ?
1
reply
PCDI vs CDA in Honeywell Experion
Posted by coep on 9 August, 2018 - 8:10 am
Difference between CDA and PCDI communication in Honeywell EPKS
1
reply
Repairing of MARK VI control modules
Posted by AMKIP on 9 August, 2018 - 7:37 am
We need to repair some of MARK VI control modules
7
replies
Rosemount transmitters
Posted by Amar DAMENE on 9 August, 2018 - 3:13 am
How to resolve the SATURATION Problem on Rosemount Transmitters
2
replies
Generator breaker question
Posted by awaiszaheer962 on 8 August, 2018 - 9:26 pm
Will machine go on over speed?
1
reply
Communication Beckhoff Trouble
Posted by Rafal123 on 8 August, 2018 - 4:43 am
AT doesn't see PLC
2
replies
Interlock, TRUE or FALSE
Posted by ipo on 8 August, 2018 - 4:20 am
When creating interlock, is true or false when device can work or move?
7
replies
Derivative Action
Posted by cliffo on 6 August, 2018 - 8:58 pm
Include or exclude derivative action in your PID settings?
How to send text to favorite editor without switching windows
Posted by camillelola on 6 August, 2018 - 5:32 am
How to send text to favorite editor without switching windows
3
replies
GE MK_V Turbine Not Responding to Load Command on Governor Control
Posted by automationdude on 6 August, 2018 - 3:19 am
Experiencing problems with a GE MK_V turbine control system. When load command reaches 63% while in governor control, load will not respond. Control has to be put in load limit mode to raise or lower load at this point.
1
reply
Ge 9fa Unit During Running Got Tripped Due To Mark Vi Chanel R And T Failure
Posted by amanat on 5 August, 2018 - 5:27 pm
Ge 9fa Unit During Running Got Tripped Due To Mark Vi Chanel R And T Failure (2 out of 3)
ir33 Carel with Modbus
Posted by John Ramirez on 5 August, 2018 - 12:18 pm
Carel ir33 refrigeration control unit with Modbus RTU
Linear Motor/XY Table Brands
Posted by bdoubleu on 3 August, 2018 - 10:55 am
Looking for good brands of integrated linear motors/tables
1
reply
Any Standard or Guidelines for Spare Cores in Instrument Cables
Posted by YZ on 3 August, 2018 - 1:36 am
We want to know any specific code or standards that highlight the spare cores for the control and AI,DI, RTD and TC cables to be left inside control cables.
1
reply
Node Access Control
Posted by YarochkinMichael on 2 August, 2018 - 3:52 am
How to control access to Node
2
replies
Alternator Voltage
Posted by ataul on 1 August, 2018 - 7:53 am
What is the problem if run alternator less than required parallel cable in one phase.
Implementing MODBUS slave using just one Timer
Posted by Sheshil Shaji V Thomas on 1 August, 2018 - 5:19 am
Is it possible to implement MODBUS slave device using just one Timer?
OPC UA + CA
Posted by YarochkinMichael on 1 August, 2018 - 4:21 am
Best practice of using on CA in OPC UA?
3
replies
Download 100% Free 6 eBooks on "PLC"
Posted by Download 100% Free 6 eBooks on "PLC" on 1 August, 2018 - 1:59 am
Download 100% Free 6 eBooks on "PLC"
7
replies
MarkV Control System
Posted by shyam on 31 July, 2018 - 2:26 pm
LVDT .7 V adjustment procedure?
PGT10 / GE10B1 - Flashback During Acceleration (Mark VIe control)
Posted by moules_frites64 on 31 July, 2018 - 12:11 pm
PGT10 - GE10B1, Speedtronic Mark VIe (old SUVIMAC II removed in 2014). Since the Hot Path Inspection, the machine trip on Flashback at 5200 rpm.
2
replies
Modbus Star Topology
Posted by Izak on 31 July, 2018 - 5:58 am
Modbus Star Topology and resistor
5
replies
MicroLogix 1400
Posted by StoopidEngineer on 30 July, 2018 - 2:22 pm
Any truth to the rumors the MicroLogix 1400 is being phased out?
6
replies
Flame Failure : Frame 6B Machine
Posted by sunilak on 30 July, 2018 - 12:37 am
Frame 6 B machines; Mark Vie . DLN-1 system , synchronized with grid. Partload operation Flame failure in Premix steady state .