LED Behaviour

LED Label

LED not active

LED active

A DS Port A receives 4 single-ended incoming signals. Port A receives 2 differential incoming signals.
B DS Port B receives 4 single-ended incoming signals. Port B receives 2 differential incoming signals.
P DN Trigger board is in pull-up mode. Trigger board is in pull-down mode.
O INV The outgoing signals are not inverted. The outgoing signals are inverted.

Examples: 

a) Default setting: The four LEDs on the OPTO trigger board are not active:

b) All LEDs on the OPTO trigger board are active:

Of course you can configure any combination of parameter settings, so that altogether you can use your OPTO trigger board with 16 different physical interfaces.

c) Another one out of the sixteen possible combinations (example): 

 

LEDs Independent of Configuration Mode

 

The LEDs always show the actual setting of the parameter, no matter if the parameter has been set via DIP switch or via software.