UD74B08 DC 12V 24V 8ch Optically Isolated IN USB COM Relay Module UART RS232 Serial Port Switch Board Digital collector PLC

1: Working voltage: DC 12V/24V optional



2: (DC12V)Standby current (all relays closed) 11MA, 1 relay open 39MA, 2 relays open 67MA, 3 relays open 94MA,4 relays open 120MA,5 relays open 146MA,6 relays open 172MA, 7 relays open 198MA,8 relays open 222MA



3 8 photoelectric isolation Input ports (NPN low level active ), the input and output relationship can be set to associated (default) and non-associated through commands.



4 UART serial port protocol, USB_B female interface (CH340 chip)



5 USB interface supports Windows(WIN10 WIN8 WIN7 WINXP), Linux and MAX operating systems



6: ''Open'' ''Close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' ''All Relays Open'' ''All Relays Close'' 8 Commands



7 Two kinds of commands: AT command and 8-byte command, the two commands are automatically recognized, no need to switch.



8: Under the ''Delay'' command ,the maximum delay is 9999 seconds(Only AT command)



9 Size: 111 * 63 * 19mm

10 Weight: 123 g



11 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC

For more information, please contact me

Without the USB B cable, you need to purchase the USB cable separately.