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Dave's latest activity
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D
Dave
replied to the thread
GT Exhaust Over temperature trip (how the logic works)
.
Apart from calibration drifts of thermocouples and RTD's, temperature sensors fail as an open circuits either gradually or instantly...
Apr 18, 2024
D
Dave
reacted to
PhilCorso's post
in the thread
Mineral Insulated Cable Ex e II and EEx e II
with
Like
.
@gps82... The high resistance indicates to me that perhaps its used for heating concrete slabs for plazas or the like! I used something...
Apr 9, 2024
D
Dave
replied to the thread
Mineral Insulated Cable Ex e II and EEx e II
.
Mineral insulated (MI) Alloy 825 heating cable PRODUCT SPECIFICATIONS Technical Details Cable sheath material Alloy 825 Conductor...
Apr 9, 2024
D
Dave
replied to the thread
Mineral Insulated Cable Ex e II and EEx e II
.
You need to consult the electrical standards such as NEMA
Apr 8, 2024
D
Dave
replied to the thread
Cascade control loop in Honeywell EPKS
.
what are the controller settings
Apr 8, 2024
D
Dave
replied to the thread
Cascade control loop in Honeywell EPKS
.
Ahmed, Please explain what you think PID means.
Apr 8, 2024
D
Dave
replied to the thread
Cascade control loop in Honeywell EPKS
.
PID designates the control action being taken. Suggest you read the manual for your controller function.
Apr 8, 2024
D
Dave
replied to the thread
Cascade control loop in Honeywell EPKS
.
why are you using PID for your water flow control valve?
Apr 7, 2024
D
Dave
replied to the thread
Solenoid Operated Valve
.
You'll have to read through the manufacturers detailed description, before you asume how you might think it work.
Mar 28, 2024
D
Dave
replied to the thread
Sealing issues of Instrument Cables in Hazardous environment.
.
Your battery room must be continually evacuated (fresh air) with slight negative pressure, and H2 gas detectors.
Mar 10, 2024
D
Dave
reacted to
PhilCorso's post
in the thread
VOLTAGE DROP (solenoid valve)
with
Like
.
JARIS RAMOS... Welcome to Control Automation! Regarding the Problem: 1. What is the DC supply voltage? 2. What is the Solenoid Current...
Feb 8, 2024
D
Dave
replied to the thread
Hysteresis - Calculation method
.
If you are dealing with process control, as you summary of valve errors suggest you might be, it is far more complicated.
Feb 4, 2024
D
Dave
replied to the thread
Hysteresis - Calculation method
.
If it is only an example, there are countless references to address accurracy and the various subcategories involved. You'll be better...
Feb 4, 2024
D
Dave
replied to the thread
Hysteresis - Calculation method
.
Fundamental to establishing "hysterisis" you need to clarify the deadband error in your measurments
Feb 4, 2024
D
Dave
replied to the thread
Hysteresis - Calculation method
.
You need to explain how the individual tests are performed, and what standard is used to guage calibration error, before attempting to...
Feb 3, 2024
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