SDI-12 to Modbus RTU Converter
Looking for a SDI-12 to Modbus RTU media converter
Tank Level - Integrating or Self Regulating
Pumped tank discharging via VSD controlled centrifugal pump
By milo510 on 28 April, 2016 - 3:24 pm
Thanks for your reply. Yes, we are controlling level by varying the speed of the VSD. But if we...
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...
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...
Using SIL-2 Devices in SIL-3 Loops
Can we use two SIL-2 capable sensors in 1oo2 configuration in a SIL-3 loop?
DI AO and AI on Same Cable
Can I use a multi core cable to run AO, AI and DO signal on a 12/24Vdc
Ex'd' Certified Transmitter in Ex'i' loop
What should be the loop electrical certification when an Ex'd' Certified transmitter is connected to an intrinsically safe loop/barrier of PLC/DCS?
Coriolis D600 (Sensor) and RFT9739 Transmitter
Coriolis Density measurement system "Zero spike issue"
Flickering PLC Inputs - Cause? Plausibility?
Possibility of flickering inputs on a PLC? Noise, moisture, or a glitch?
Photoelectronic Sensor Replacement
Looking for a replacement for photoelecronic sensor type Tippkemper AX-S-25-P30-S74. (EEx ia IIC T6, circular 30mm, namur)
Reliance Automax Training
Looking for Reliance Automax Online Training.
By Steve Myres on 5 April, 2016 - 1:40 pm
Reliance Automax? Do they still sell that stuff, or is this like looking to find a class...
Vehicle Model Using PWM and ADC
Posted by John Adams on 4 April, 2016 - 6:23 pm
Looking for comments on vehicle model code in C that incorporates the concepts of PWM and ADC.
SICK Ultrasonic Flare Flow Meter
SICK ultrasonic flare flow meter giving erratic reading while the high flow take in place.
Validating the Flow Computer of a Metering Skid Using FLOCALC Software
Need to validate a flow computer using the FLOCALC software but I don't really know how.
Difference between NPN/PNP Sensors
Differential Pressure Switch to Confirm Blower Air Flow
Using differential pressure switch for blower air flow confimation - please recommend what kind of pressure tips/sensors I should mount in my ducts at the blower inlet and outlet.
By W.L. Mostia on 23 March, 2016 - 5:14 pm
If you have an elbow, you might be able to use a differential pressure switch across the elbow. You...
By Curt Wuollet on 22 March, 2016 - 9:15 pm
One way to solve that might be to make a restriction that keeps the blower outlet pressure over .07...
By Curt Wuollet on 17 March, 2016 - 10:16 pm
Those conditions could probably be detected with a pressure transducer. 1 would of course give...
By Curt Wuollet on 16 March, 2016 - 7:19 pm
Pitot tubes are generally best at significant airflows. For low airflows, the various heating...
Concrete Spreader Control
Problem to control a concrete spreader for the precast concrete elements industry
I need to pick up fabric pieces from a stack of 1 inch by 3 inch silk like garment labels. Is there an easy way to do that with precision?
By Steve Myres on 19 March, 2016 - 3:58 pm
I think to pick up a small piece of fabric, I'd go with non-sealing vacuum, and reverse the flow to...
PM9C Power Meter MODBUS Communication
Posted by Kevin Hella on 15 March, 2016 - 5:27 am
Setting up MODBUS communication between PM9C Schneider power meter and a PLC.
By kevin hella on 18 March, 2016 - 6:59 am
Thanks for your response. I am using a PLC called EDS-3G from circutor which is very easy to...
Link NPN Sensor with MicroController
Best method for linking an NPN sensor with a microController
By Curt Wuollet on 16 March, 2016 - 7:32 pm
Pardon me, I saw 12 but was thinking 24 V. Sub a 1k for the 2k. It's good to stay a little under 5...
By Curt Wuollet on 16 March, 2016 - 7:28 pm
Google voltage divider. 10 mA is about the limit for 1/4 watt resistors. Something like a 2k ohm...