Remote 36 I_O controller

[fjpompeo]

Hi all,

Need a remote (+-300m far from the master) slave control to open/close 40 pneumatic cylindres with inductive sensor for position feedback.

Found DCI_PLC but the distance is limited to a short 50m, so can I use a RS485 <--> RS232C converter and get some more distance?

Regards,

Fernando

 

[IanP]

You have two options:

- if you can instal cables (shielde-twisted-pairs) => RS-485 (RS-422) ..
- if you can't use cables (and the transmitter and receiver can be in the line of sight) => wireless (radio-modems) ..

The first option is reasonably easy to accomplish, especially, if you have only one transmitter and one receiver => 2 twisted pairs will cover full duplex transmission ..

Regards,
IanP

 

[fjpompeo]

Dear IanP,

Very thank you for tips. Was thinking to use DCI PLC by De Coninck Ivo but the distance of RS232C cable is limited to a few meters and is not good for industrial enviroment. Another option may be DCI Bus but don´t know how to deal with scanning two or more serial ports with BUSMSTR.EXE program and Microsoft Visual Basic.

Regards,

Fernando