Marquette Hellige GmbH MicroSmart V 2.xx Page 28
Servicing Instructions 227 470 35 B - 97.12
3.4 Internal interfaces
This chapter deals with the pinning, the function and meaning of the signals of the internal interfaces
of the function components. These interfaces include:
- Interface, power supply
- Interface, display
- Interface, thermal array
- Interface, motor
- Interface, photoelectric barrier
- Interface, keyboard
- Interface, ECG port
3.4.1 Interface, power supply
Plug designation: PSCON/
Plug connector 4-pin, horizontal (90 °), reverse voltage protection implemented mechanically.
The function of the individual pins is shown in the following table. The definition in terms of
input/output is as seen from the PCB MicroSmart.
Signal name I/O Meaning Level Polarity Pin No.
PSCON1 I batt + 12V --- 1
PSCON2 I batt - GND --- 2
PSCON3 I power supply
+
+15.6V --- 3
PSCON4 I power supply
-
GND --- 4