Datasheet

Pmod SSR Reference Manual
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3 Interfacing with the Pmod
The Pmod SSR communicates with the host board via a GPIO pin. To open the relay, the ON pin must be driven to
a logic high state. To close the relay, the ON pin must be driven to a logic low state.
3.1 Pinout Description Table
Pin
Signal
Description
1
ON
Switch Control
2
NC
Not Connected
3
NC
Not Connected
4
NC
Not Connected
5
GND
Power Supply Ground
6
VCC
Power Supply (3.3/5V)
4 Physical Dimensions
The pins on the pin header are spaced 100 mil apart. The PCB is 1.7 inches long on the sides parallel to the pins on
the pin header and 0.8 inches long on the sides perpendicular to the pin header.
5 Additional Information
The schematics of the Pmod SSR are available here.
Example code demonstrating how to use the Pmod SSR can be found at the Pmod SSR Resource Center.
If you have any questions or comments about the Pmod SSR, feel free to post them under the appropriate section
(“Add-on Boards”) of the Digilent Forum.