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SD series GPIO pinouts (TB112)

The attached guide contains the pinouts and connections for GPO Relay outputs and GPI Input connections.

 

Connection Notes

GPO Relay outputs are SPST make connects. These are floating on connections + and - . Contact are rated .5A 28V ac/dc (max 10W)

GPI inputs are logic (non isolated) requiring a make to 0V (earth). These have internal pull-up 22K to +5V and 4K7 series resistance. A simple single pole switch or relay (make to 0V) will trigger the input.

The +5V present is fused internally for logic level use only.

 

SMALL MIXERS ¼” socket connections

2 GPI and 2 GPO
These are on 1/4" jack stereo sockets (tip, ring, sleeve) wired tip and sleeve only, compatible with mono plugs. One GPI or GPO per socket, Electrical specifications are as above.

Refer to mixer user manual for operation of GPO and GPI functions in software.

 

Please refer to the attached Technical Note for the pinout.

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