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Thanks for your replies guys.
I have actually found an application note: https://www.analog.com/static/imported-files/application_notes/AN-582.pdf which looks very interesting.
Regards
Mark.
Re: mbed LPC1768 with keil MDK
Hi Ahmmed,
I am not an expert but I have used code red toolchain, by downloading and using mbed libraries offline.
try looking here: https://mbed.org/handbook/Exporting-to-offline-toolchains
When you compile, you need to compile to a bin file not hex. Then copy...
Hi,
I want to simulate a Ni1000 temperature sensor, effectively a variable resistor that changes by approx. 5.5Ohms/°C. This is easily achieved using a manual precision turn potentiometer of suitable range, but I would like a digital method as pots are bulky and tend to take up a lot of space...
If you can find some structure to the design of the machine or process you are controlling, then with various binary/integer flags you can create a psuedo-sequential program. Flags are set or reset according to the state of the machine. If a flag is not set then it prevents a sequence of...
Some general comments/observations:
With a PLC, the manufacturer has already designed the hardware all the way down to signal types and connectors.
With an embedded system you can develop whatever you like in terms of hardware.
With PLC's inputs/outputs can be swapped around using...
Inverters come with a standard I/O configuration for that make/model of inverter. If this does not meet your requirements you will need to study the installation and operating manuals to see if/how to change the standard config in the inverter software.
If continuous speed control is required...
Hi IanP
Thanks for replying..
I will probably go for 2 transformers, a smaller transformer for the 5v side. My enclosure will probably not cater for three unfortunatley.
One question though is on the picture what is the purpose of R1 before U5? Does it work with Cap(s) (CR) to delay/smooth...
Require:
-5v 0v +5v
-12v 0v +12v
and
0v 24v
Want to use 78/79 regulators & L200 reg.
Should I use two rectifiers, one for dual rail one for single rail?
Should I use two transformers?
Can I tie all 0v together to form common ground ref.?
Will a 28v secondary voltage (for the 24v supply)...
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