The SE5i4o module is designed to complete the system with 4 independent 0-10VDC analogue outputs. These types of signals are used in some manufacturers' luminaires for dimming control.
"Input1" controls the output "Channel1", "Input2" - channel 2, etc. Short-circuiting inputs 1-4 will switch channels on/off, holding it for a long time will change the output voltage.
The "Off All" input acts as a master switch and switches off all channels.
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