4-port serial interface, modular, with/without optical isolation, 3.3V/5V

Features

• This Model has a 37-pin D-Sub male connector
• RS232, RS422, RS485, 20 mA Current Loop
• Modular structure through SI modules
• With or without optical isolation
• Mode configuration free for each port
• 128-byte FIFO-buffer, common interrupt
• Transfer rate programmable up to 115,200 Baud
• Option: up to 1 MBaud for RS485 and RS422
• Automatic direction recognition for RS48
• Mode: configurable RS232, RS422, RS485, 20 mA Current Loop (active, passive) with or without isolation (SI modules)
• Transmission mode asynchronous, full, half duplex
• Transfer rate: progr. up to 115.2 kBaud up to 1 MBaud on request
• Protocol: 5, 6, 7 or 8-bit character 1, 1? or 2 stop bits
• Parity: even, odd, none, mark or space
• Interrupt lines: automatic through BIOS

Description

Connection
(Connection example: see datasheet - pdf)

SI modules: Please order the modules separately!
MX232-G: RS232 mode with optical isolation
MX232: RS232 mode
MX422-G: RS422 mode with optical isolation
MX422: RS422 mode
MX485-G: RS485 mode with optical isolation
MX485: RS485 mode
MXTTY: Current Loop mode (active, passive) 20 mA constant current with optical isolation

ST075: Shielded round cable, 37-pin to 4 x 9-pin
ST074: Shielded round cable, 37-pin to 4 x 25-pin

Option:
Opt. Quarz: up to 1 MBaud transfer rate for RS232, RS422, RS485, PMTTY

Program / Software Information

Manuals, software, data sheets, etc., are downloadable from:
http://www.addi-data.com/wEnglisch/index.php