Optoisolated RS232 for RS485 / 422 converter. Double insulated DC / DC power supply.

RS232 for RS485 converter
Opto-insulated
Galvanic isolation between DC input and RS232 port
Supply voltage: 9 - 50VDC, 10 - 34VAC
Automatic flow control
Up to 1.2km Built-in Termination Resistance - Can be Disconnected
Screw Terminals

Optoisolated RS-232 for RS485 converter
3kVDC isolation on RS232 from DC input
ESD protection for RS232 / 485 
Baud rate 300 bit / s to 115,200 bit / s 
Supports power inputs of +10 V DC to +30 V DC 
Operating temperature: -25 ° to + 75 ° C
For DIN rail mounting

RS485 & nbsp; recoverable RS232 controller / converter
Link to 3 x RS232 units from 1 x RS485 bus
Baud speed 300 bit/s to 115,200 bit/s
10 V DC to + 30 V DC
Dual watchdog
256 KB SRAM buffer
1 x & nbsp; RS485 address per. serial interface
Operating temperature: -25 ° to + 75 ° C
For DIN rail mounting

Optoisolerede RS232 til RS422/485 konverter
3000Vdc isolation
24Vdc, 1.2W
RS-232 (DB9)
RS485 (2-Wire) eller RS422 (4-Wire)
Speed (bps): 1.200, 2.400, 4.800, 9.600,
19.2 k, 38.4 k, 57.6 k, 115.2 k
RTS control and RS-422 (switchable)