All board products Proudly made in USA!

Manufacturer of computer controlled relay, I/O and custom boards for commercial and industrial applications.

Documents

Instruction Manuals

1-2 Channel RS232 relay board manual

1-2 Channel RS232 relay board w/IO manual

1-2 Channel USB relay board manual

8 Channel RS232 relay board  manual

8 Channel RS232 relay board w/IO manual

8 Channel RS232 relay board w/ISO manual

8 Channel USB relay board  manual


Relay Data Sheets

Standard Relay Datasheet - CIT relay specification sheet for the standard relays used on our boards.

Reed Relay Datasheet - Coto Reed Relay specification sheet for the optional relays used on our boards.


App Notes

Application Note 115 - How to determine if our serial relay boards will operate with a specific software or operating system.

Application Note 156 -  - Detailed board command information.

Application Note 158 - Operation and wiring examples for the I/O Ports and Opto-isolated Input Ports.