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Relay

The IO Port Relay Output plugin provides 8 power relay outputs.

Bare ioport relay and bus relay circuit boards

Description [size] Format
Circuit schematic [11.6KB] Adobe Acrobat PDF
PCB layout [97.6KB] Adobe Acrobat PDF

Interface

The plugin is designed to interface with the IO Port lettuce plugin board via one of its IO port connectors.

Outputs

Output connections are made via screw-terminals as labeled on the board.

Component list

Below is a full list of components required to build the IO Port plugin board.

ICs

ID Value Package Description
U1 ULN2803A DIP18 Darlington array

Connectors

ID Type Description
J1 2x5 100mil R/A socket IO Port socket
J2 3-way 5mm 16A terminal block Output connections
J3 3-way 5mm 16A terminal block Output connections
J4 3-way 5mm 16A terminal block Output connections
J5 3-way 5mm 16A terminal block Output connections
J6 3-way 5mm 16A terminal block Output connections
J7 3-way 5mm 16A terminal block Output connections
J8 3-way 5mm 16A terminal block Output connections
J9 3-way 5mm 16A terminal block Output connections
J10 1x2 100mil header Relay coil supply in
J11 1x2 100mil header Relay coil supply out

Misc

ID Value Package Description
REL1-8 5-10A SPDT PCB mount Mains relay
Updated on 2013-07-12 09:03:10 +0000 | Requested on 2020-10-27 12:54:28 +0000