Calculating an average value of the wind direction
How do I calculate the average value of the wind direction when 0° and 360° are the same?
Loop Testing MARK VI Speedtronic
3 Element Control for Boiler Drum
Looking for information on HRSG three element level control
Electromagnetic Flowmeter in High Pressure Line
Using Electromagnetic flowmeter in high pressure water injection line
Yaskawa FS100 I/O Technical Documentation is Wrong
Yaskawa/MotoMan has supplied me with the wrong documentation.
Choosing a Controller for Our Requirements
Need advice for choosing a controller that meets our requirements
120/208V or 277/480V.... huh?
what does it mean when something is rated 120/208V or 277/480V? What do the two numbers mean?
By abc def on 6 November, 2017 - 3:00 pm
There can be 110V or 115V supplied from grid, thereby, from phase to phase totaling to 220v or...
Electrical Equipment Protection in Hazard Areas
Some questions regarding electrical equipment protection in hazard areas.
Need Suggestion for this Application
Batching system with different liquids and tanks with the same Flowmeter, need idea.
Converting the Modbus ASCII to Modbus RTU
Posted by Huang Jinsong on 13 January, 2004 - 2:14 pm
Is there a converter that can convert the Modbus ASCII protocol to the Modbus RTU?
By Arv on 2 November, 2017 - 8:23 am
Hi, I'm interested in this topic. Is there any reference material that i can follow to write...
Serial to MODBUS TCP Converter using Wiznet W5500
Need to convert Serial Data into MODBUS TCP
Alarm Indication PC Board
I am struggling to Understand how this Alarm indicator PCB works
Tapping Modbus/TCP traffic
Tapping Modbus/TCP traffic on Ethernet requires different technique than when using serial networks.
Need help diagnosing issue with differential pressure transmitter. Could it be the analog input card?
Gas turbine consequences if wobbe index is too high and too low?
Compressor Seal Gas System
Why Seal gas supply pressure is less than the compressor discharge pressure
Generator Loss of Excitation Protection (ANSI 40)
How to find out impedance locus from active and reactive power?
PLC PID controller for flow density control
Program Retrieval From Triconex MP
Can we retrieve program downloaded in the Triconex MP?
Grain Dispenser System Fuzzy Logic Controller
Looking for tips for the design of a fuzzy logic controller for the gates of a grain dispenser
Forced Signals on Tristation
Listing all of the forced signals in one page
Control Network Architecture
Trying to improve the our plant control system network architecture
Modbus Slave Invalid Response
MODBUS slave provides invalid response to a MODBUS query. Response starts with 00 which should have been slave address??
Barrier for Temperature Sensor
Does temperature sensor (Pt-1000-Skin type) require barrier/isolator in flameproof panel when used in hazardous zone 1 area?
LQR Implementation using Simulink
I am trying to stabilize a system using LQR. I was able to find the K, Q, and R matrix. How would I translate this to simulink?
Modbus RTU 2-wire Master with 4-wire Slaves
Need help connecting a 2-wire Modbus RTU master (Honeywell Eagle) to 4-wire slaves (Mitsubishi FR-D700 series inverter), with the wiring or the requirement of a converter device.
System Inputs for Gas Turbines
Please, could anyone give me some idea about how to chose appropriate input variables for a gas turbine?
Altivar 61 Parameter Question
Can Altivar 61's parameters change by themselves?
What is the HFT of QMR system?
What is the HFT of QMR system? Comapre QMR with TMR??
Hydraulic Pump FR6 Turbine
Looking for information about the best hydraulic pump for Frame 6001 applications
Fluid Interface Detection and Level Control in 3 Phase Oil Water Gas Separators
Seeking input on effective electric, non-pneumatic method for controlling fluid levels in 3-phase oil and gas separators
Advice for Interface Level Transmitter Selection
Interface level transmitter for between dirty oily water and oil for 5 meter long tank
Wet Leg Level Measurement with Both Legs Connected
Reason for wet leg level measurement with both legs connected