What is an I/O Module? - Electronic Circuits Projects Diagrams Free

moody07747 · 11th February 2006, 01:19 AM

I was looking at some products at allelectronics.com and came across this unit...

http://www.allelectronics.com/cgi-bi...0_MODULE_.html

What is an I/O module and what is it used for?

JimB · 11th February 2006, 09:44 AM

I/O = Input / Output.

The device in your link is a digital input module.
It takes a digital input from the harsh outside world and opto-isolates it to the nice clean and safe world on the input of a microprocessor or W.H.Y.

The outside world signal is a voltage in the range 35 to 65 volts (probably a nominal 48 volts), the isolated side is a standard 5volt for TTL compatability.

As this is the only item of this type they appear to have, I am gussing that they bought someones purchasing screw-up for a bargain price!

JimB

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11th February 2006, 01:19 AM	(permalink)
moody07747	What is an I/O Module? I was looking at some products at allelectronics.com and came across this unit... http://www.allelectronics.com/cgi-bi...0_MODULE_.html What is an I/O module and what is it used for? __________________ Dave www.myspace.com/sonicorbstudios Welcome to "Sonic Orb Studios"

11th February 2006, 09:44 AM	(permalink)
JimB	I/O = Input / Output. The device in your link is a digital input module. It takes a digital input from the harsh outside world and opto-isolates it to the nice clean and safe world on the input of a microprocessor or W.H.Y. The outside world signal is a voltage in the range 35 to 65 volts (probably a nominal 48 volts), the isolated side is a standard 5volt for TTL compatability. As this is the only item of this type they appear to have, I am gussing that they bought someones purchasing screw-up for a bargain price! JimB __________________ Experience is directly proportional to the value of the equipment ruined.