Computer/Embedded Technology


Isolated RS232 to RS422/485 converter

6 August 2008 Computer/Embedded Technology

Advantech's ADAM-4520 converter lets the user take advantage of RS422 and RS485 on systems originally equipped with RS232. It transparently converts RS232 signals into isolated RS422 or RS485 signals.

There is no need to change the PC's hardware or software, since the module allows the user to easily build an industrial grade, long distance communication system with standard PC hardware. It extends the communication distance to 1200 metres or increases the maximum number of connected nodes to 32.

The ADAM-4520 provides 3000 V d.c. isolation protection and surge protection for the RS485 data line. With a transmission speed of up to 115,2 Kbps, the device operates from +10 to +30 V d.c. and mounts easily on a DIN-rail, panel or piggyback. Space is reserved for termination resistors, and power and data flow indication aid troubleshooting.



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