Automated Process Control of Water Pump
How to design a control system to automatically maintain water level between 20% and 80% percent of full scale value?
Backpressure ST Minimum Discharge Pressure
The manufacturer recommended the minimum steam flow through the turbine. We see some benefits in running less than that during summer.
I need help with the relays of the serie SR3 Multilin.
Solar and Heat Pumps Controlled by MODBUS Thermostat
Posted by Dave Angelini on 17 July, 2015 - 4:18 pm
Looking for software that uses MODBUS that could control the programmed temperature of mini-split heat pump based on available solar.
Forced Signals on Tristation
Listing all of the forced signals in one page
Difference Power Cables and Signal Cables
Please tell me the exact difference between Power Cables and Signal Cables used for Instrumentation Field Applications.
By Ashish on 30 April, 2016 - 1:53 am
Friends I had a query. Can we give 230vac power and 24vdc potential free supply to instrument...
How to modify or change color of motorised valve positions using HMIWeb display builder in Honeywell Experion PKS?
Calculation of Power for 3 Phase Supply
Calculation of power for a 3 phase unbalanced circuit
By krishnan on 24 April, 2016 - 2:43 pm
As the currents are balanced it is not clear how it shall be an unbalanced circuit. is the...
Redundant Ethernet Switch
Best method of adding a redundant Ethernet Switch connecting main and standby PLC to the redundant SCADA servers.
Redundancy at Communication Level
Is it possible to add a redundant NOE communication Module with Quantum Hot Stand by Processor?
Level Measurement Problem with Molasses
Posted by Sangeet Kohli on 30 December, 2006 - 2:20 pm
application of measuring the level of sugar molasses...
By amit rajput on 28 April, 2016 - 9:05 am
dear sir, I find this highly uncertain, coz some of my clients have been struggling with same...
Modbus Testing Through Modscan
Trouble with the testing of ModBus connection through Modscan
Cascade Loop in Honeywell Experion PKS
If PV of secondary PID goes to NaN control Valve directly control by primary PID
Data Capture from Mitsubishi PLC Controller
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.
Problem being faced in measurement of level of a tank under vacuum
Using a DP type transmitter to measure level of liquid in a tank under vacuum pressure.
By chris on 26 April, 2016 - 9:20 am
I selected a fill fluid that can handle the higher temperature, 600 F. it is a gauge pressure, DP...
Sizing Three Phase Induction Motor
Sizing three phase Induction motor for pump/compressor application
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?
Safety and wire type to go from a generator to a load bank (5mw).
Power Consumption Calculation for Field Devices
Looking for the details required related to power calculation of field devices
Flickering PLC Inputs - Cause? Plausibility?
Possibility of flickering inputs on a PLC? Noise, moisture, or a glitch?
1.5 V D SIZE BATTERY (2 BATTERY ) Capacity Adapter
Which power adapter required for 1.5V D SIZE LR 20 Alkaline battery?
how Can I Compare Between PI and PID Control?
What are the main disadvantages of PI and PD? How to compare PI and PID control?
Connecting Ex na [iC] Field Device
Connecting an Ex nA nC [ic] device and zenner barrier
Photoelectronic Sensor Replacement
Looking for a replacement for photoelecronic sensor type Tippkemper AX-S-25-P30-S74. (EEx ia IIC T6, circular 30mm, namur)
PROCAL 2000 CEMS Analyzer
PROCAL CEMS Analyzer calibration gas cylinder set point
HINET Modbus DDE SERVER 2014
HINET ModBus DDE SERVER 2014,
By Heru Iqbal on 6 April, 2016 - 2:22 pm
Thanks to all of you, who have been interested in using 'HINET DDE SERVER for Modbus TCP-IP'. ...
Looking for a replacement
How to wire a 4-20ma transmitter powered separately to a 4-20ma Analog input module of PLC which has isolated channels. The module has 24V dc sourcing.
Reading of O2 analyzer become zero for about 10 sec
Restaurant Automation Help (240v Warmers / Relays / Lights)
Automate restaurant packline with 240v/120v equipment and automate current relays for hoods and outdoor lighting.