[ts-7000] Re: opto-isolated RS232/485 for PC?

["Kym Newbery" <>]

Hi,

Unless you specifically want an internally opto-isolated serial card,
I would go for an external RS232/422 isolated converter. Cheaper and
easier to replace.  I've had good success with the Advantech ADAM4520
modules which do RS422 full duplex and also RS485 half duplex with
automatic transceiver enable/disable.  

http://www.advantech.com/products/Model_Detail.asp?model_id=1-1TWNLI 

or

http://www.advantech.com/products/Model_Detail.asp?model_id=1-1Y6XYG

The only annoying thing with them is their power consumption (200mA
@12v I think) and the RS485 speed setting is an internal DIP switch.

Other alternatives are :

http://www.jedmicro.com.au/RS485.htm,  J995X

and the one I have yet to try, but looks most promising (from power
consumption perspective) is

http://www.moxa.com/product/TCC-80I.htm

also

http://www.moxa.com/product/Transio_A5253.htm
http://www.moxa.com/product/TCC-100.htm

Cheers

Kym



 
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