Top Connections; Connector X1 Digital I/O - Koch PxtMX Operating Manual

BOOT button
RESET button
LEDs L1 - L4
2.6
2.6.1
Pin 1 and 2
Pin 3- 8
Level behaviour
Digital inputs:
Pressing the BOOT button briefly does not trigger a reaction. If the key is pressed for
longer than 5 seconds, the micro SD slot is queried and a corresponding software
version stored on a micro SD card is installed. If there is no software or if there is an
unauthorised software on the memory card, the device is restarted with the
previously used firmware.
Pressing the RESET button triggers a restart.
The LEDs indicate the status of system initialisation and a software update and
indicate possible malfunctions.

Top connections

Connector X1 Digital I/O

Fig. 4: Connector X1 Digital I/O
24 V external ±15% (min. 8 V if only parameterisation is required).
Digital switching functions X1
Via the digital inputs, functions of the device can be switched on or off. It is possible
to output important parameters via the outputs.
• Input levels between 0 and 0.7 volts are evaluated as LOW signals.
• Input levels between 2.7 and 24 volts are evaluated as HIGH signals.
• Input levels between 0.7 and 2.7 volts are classified as undefined and do not cause
a change in the previously triggered status.
2 Description of the device
Operating manual Plug-on module PxtMX
V1.0DE/EN
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