USB > RS485 > Four Channel Relay Controller Set

Complete including:
- 1 x  USB<>RS485 adapter
- 1 x  RS485 Four channel relay board

Features:
The board is fully compatible with the old version.
This new version has an option to change the BOARD NUMBER  (from 01 to 15) manually through a DIP Switch placed near RS485 connector.

Required power:
from 9 to 24V DC
Maximum current drawn by digital circuitry at 9V 500mA
Maximum current drawn by digital circuitry at 12V 350mA
Maximum current drawn by digital circuitry at 24V 200mA

Specifications:
Relays have Normally Open (NO) and Normally Closed (NC) Contacts each capable of switching max:
- 12VDC/15A
- 24VDC/15A
- 125VAC/15A
- 250VAC/10A

Communication Parameters:
8 Data, 1 Stop, No Parity
Baud rate : 9600

Commands:
Relay commands:
OFF command : FF xx 00 (HEX) or 255 xx 0 (DEC)
ON command : FF xx 01 (HEX) or 255 xx 1 (DEC)