RS485 Control Modules
RS485 MASTER
Isolated USB to RS485 Module

Super4 RS485 Relay Module

Top16 RS485 IO Module




2500V RMS Isolation between USB and RS485
USB powered
Extended operating temperature range -30 to +70 Degrees C
Baudrate 300 bps  to 500k bps
Eliminate ground loops and increase reliability
User Manual (PDF)

Command set for IO boards (PDF)

Drivers
Relays (4 x):   5 Amp 30VDC, 5Amp 250V AC

Sealed omron mechanical relays
Address 1 to 255
Power on LED, relay indicator LEDs
User Manual (PDF)