24
ProCommander
®
AX Pin Assignment
ATTENTION!
The 24V may not be exceeded in any case. Thus,
if the power supply has a ripple in the voltage, the
peak voltage must not exceed 24V.
DIGITAL IN 1-4
The ProCommander
®
AX has 4 inputs for connecting external
dry contacts for the purpose of logic evaluations or show
starts. The query of the inputs is also available via the "GET"
commands (see ASCII chart), via UDP or external connections.
A level change of individual inputs can trigger shows, if they
are stored on a microSD card. The assignment of the shows to
the different inputs can be defined in the Control.ini file. Please
refer to chapter "Control.ini" for more information. Inputs can
be normally closed (NC), normally open (NO) or toggle.
DIGITAL OUT 1-4
The ProCommander
®
AX has four digital open collector
outputs.
If inductive loads (relays, solenoids, etc.) are connected, it
is essential to ensure that a free-wheeling diode is mounted
parallel to the load in the reverse direction (see diagram).
Otherwise the output drivers may be damaged. The common
cathode of the internal free-wheeling diodes is brought out on
pin 5 of the upper plug DIGITAL IN. Thus, if the internal free-
wheeling diodes are to be used, this must be connected to the
positive terminal of the external power supply.
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