Signal Tower USB Relay Controller

This USB Relay Controller can be used to interface between a LED Signal Tower and a member of the SMEMA Adaptor Family via USB. Fully powered from USB.

Not in the Box

• USB-A to USB-B Cable
• Power supply for a Signal Tower

SMEMA Ethernet Adaptor

• https://www.youtube.com/watch?v=-9VZjnuHE1k

SMEMA Hermes Adaptor

• https://www.youtube.com/watch?v=Yvh61pWa_wY

Manufacture Website

• https://kmtronic.com/product/2787/usb-relay-controller-four-channel-box-with-clips-for-din-mount-rail.html

Communication Parameters:

• 8 Data, 1 Stop, No Parity
• Baud rate : 9600

Commands:

• 1st channel commands:
  OFF command : FF 01 00 (HEX) or 255 1 0 (DEC)
  ON command : FF 01 01 (HEX) or 255 1 1 (DEC)
• 2nd channel commands:
  OFF command : FF 02 00 (HEX) or 255 2 0 (DEC)
  ON command : FF 02 01 (HEX) or 255 2 1 (DEC)
• 3rd channel commands:
  OFF command : FF 03 00 (HEX) or 255 3 0 (DEC)
  ON command : FF 03 01 (HEX) or 255 3 1 (DEC)
• 4th channel commands:
  OFF command : FF 04 00 (HEX) or 255 4 0 (DEC)
  ON command : FF 04 01 (HEX) or 255 4 1 (DEC)